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  1. XWiki Platform
  2. XWIKI-7729

IDs migration fails due to foreign key constraints

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Details

    • Bug
    • Resolution: Fixed
    • Blocker
    • 4.0
    • 4.0-rc-1
    • Old Core
    • None
    • Unknown

    Description

      Steps to reproduce:

      • using the default jetty+hsqldb zip file of 2.7.2 start your wiki instance
      • move the database directory to a 4.0 RC1 unzipperd jetty+hsqldb zip file.
      • start 4.0 RC1.

      It will fail with the following stacktrace:

      Starting Jetty on port 8080 ...
      Logs are in the ./xwiki.log file
      2012-04-13 16:54:09,572 [http://localhost:8080/xwiki/bin/view/Main/] INFO  .HibernateDataMigrationManager - Running storage schema updates and migrations 
      2012-04-13 16:54:09,576 [http://localhost:8080/xwiki/bin/view/Main/] INFO  .HibernateDataMigrationManager - Current storage version = [15429] 
      2012-04-13 16:54:09,576 [http://localhost:8080/xwiki/bin/view/Main/] INFO  .HibernateDataMigrationManager - List of migrations that will be executed: 
      2012-04-13 16:54:09,576 [http://localhost:8080/xwiki/bin/view/Main/] INFO  .HibernateDataMigrationManager -   R40000XWIKI6990 - Convert document IDs to use the new improved hash algorithm. 
      2012-04-13 16:54:09,576 [http://localhost:8080/xwiki/bin/view/Main/] INFO  .HibernateDataMigrationManager -   R40001XWIKI7540 - See http://jira.xwiki.org/browse/XWIKI-7540 
      2012-04-13 16:54:09,814 [http://localhost:8080/xwiki/bin/view/Main/] INFO  h.R40000XWIKI6990DataMigration - [R40000XWIKI6990] - 20 schema updates required. 
      2012-04-13 16:54:10,753 [http://localhost:8080/xwiki/bin/view/Main/] INFO  c.x.x.s.m.liquibase            - Successfully acquired change log lock 
      2012-04-13 16:54:11,206 [http://localhost:8080/xwiki/bin/view/Main/] INFO  c.x.x.s.m.liquibase            - Reading from DATABASECHANGELOG 
      2012-04-13 16:54:11,213 [http://localhost:8080/xwiki/bin/view/Main/] INFO  c.x.x.s.m.liquibase            - Reading from DATABASECHANGELOG 
      2012-04-13 16:54:11,336 [http://localhost:8080/xwiki/bin/view/Main/] ERROR c.x.x.s.m.liquibase            - Change Set liquibase.xml::R40000-001::dgervalle failed.  Error: Error executing SQL ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT] 
      liquibase.exception.DatabaseException: Error executing SQL ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]
      	at liquibase.executor.jvm.JdbcExecutor.execute(JdbcExecutor.java:62) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.executor.jvm.JdbcExecutor.execute(JdbcExecutor.java:104) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.database.AbstractDatabase.execute(AbstractDatabase.java:1075) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.database.AbstractDatabase.executeStatements(AbstractDatabase.java:1059) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.changelog.ChangeSet.execute(ChangeSet.java:317) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.changelog.visitor.UpdateVisitor.visit(UpdateVisitor.java:27) [liquibase-core-2.0.3.jar:na]
      	at liquibase.changelog.ChangeLogIterator.run(ChangeLogIterator.java:58) [liquibase-core-2.0.3.jar:na]
      	at liquibase.Liquibase.update(Liquibase.java:113) [liquibase-core-2.0.3.jar:na]
      	at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager$4.doInHibernate(HibernateDataMigrationManager.java:245) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.execute(XWikiHibernateBaseStore.java:1206) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.executeRead(XWikiHibernateBaseStore.java:1245) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager.invokeLiquibase(HibernateDataMigrationManager.java:224) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager.updateSchema(HibernateDataMigrationManager.java:177) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.startMigrationsForDatabase(AbstractDataMigrationManager.java:510) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.startMigrations(AbstractDataMigrationManager.java:458) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager.startMigrations(HibernateDataMigrationManager.java:296) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.checkDatabase(AbstractDataMigrationManager.java:386) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:664) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:811) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:744) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:726) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:290) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1430) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1473) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2207) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2239) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.render.XWikiMacrosMappingRenderer.loadPreferences(XWikiMacrosMappingRenderer.java:107) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.render.XWikiMacrosMappingRenderer.<init>(XWikiMacrosMappingRenderer.java:83) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.render.DefaultXWikiRenderingEngine.<init>(DefaultXWikiRenderingEngine.java:72) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.resetRenderingEngine(XWiki.java:1106) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:786) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.<init>(XWiki.java:734) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:395) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:482) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:136) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) [struts-1.2.9.jar:1.2.9]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [servlet-api-2.5.jar:2.5]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) [servlet-api-2.5.jar:2.5]
      	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:538) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1352) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:120) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:144) [xwiki-platform-wysiwyg-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:66) [xwiki-platform-webdav-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:476) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:517) [jetty-security-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:937) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:871) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:247) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.Server.handle(Server.java:346) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:589) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1048) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:601) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:411) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:535) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:529) [jetty-util-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at java.lang.Thread.run(Thread.java:679) [na:1.6.0_22]
      Caused by: java.sql.SQLSyntaxErrorException: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]
      	at org.hsqldb.jdbc.Util.sqlException(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.jdbc.Util.sqlException(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.jdbc.JDBCStatement.fetchResult(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.jdbc.JDBCStatement.execute(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.apache.commons.dbcp.DelegatingStatement.execute(DelegatingStatement.java:264) ~[commons-dbcp-1.3.jar:1.3]
      	at org.apache.commons.dbcp.DelegatingStatement.execute(DelegatingStatement.java:264) ~[commons-dbcp-1.3.jar:1.3]
      	at org.apache.commons.dbcp.DelegatingStatement.execute(DelegatingStatement.java:264) ~[commons-dbcp-1.3.jar:1.3]
      	at liquibase.executor.jvm.JdbcExecutor$1ExecuteStatementCallback.doInStatement(JdbcExecutor.java:92) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.executor.jvm.JdbcExecutor.execute(JdbcExecutor.java:55) ~[liquibase-core-2.0.3.jar:na]
      	... 75 common frames omitted
      Caused by: org.hsqldb.HsqlException: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87
      	at org.hsqldb.error.Error.error(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.error.Error.error(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.Table.checkColumnInFKConstraint(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.TableWorks.retypeColumn(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.StatementSchema.getResult(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.StatementSchema.execute(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.Session.executeCompiledStatement(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.Session.executeDirectStatement(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.Session.execute(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	... 82 common frames omitted
      2012-04-13 16:54:11,348 [http://localhost:8080/xwiki/bin/view/Main/] INFO  c.x.x.s.m.liquibase            - Successfully released change log lock 
      2012-04-13 16:54:11,354 [http://localhost:8080/xwiki/bin/view/Main/] INFO  .HibernateDataMigrationManager - Failed to migrate database [xwiki]... 
      com.xpn.xwiki.store.migration.DataMigrationException: Unable to update schema of database xwiki
      	at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager.updateSchema(HibernateDataMigrationManager.java:179) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.startMigrationsForDatabase(AbstractDataMigrationManager.java:510) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.startMigrations(AbstractDataMigrationManager.java:458) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager.startMigrations(HibernateDataMigrationManager.java:296) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.checkDatabase(AbstractDataMigrationManager.java:386) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:664) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:811) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:744) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:726) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:290) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1430) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1473) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2207) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2239) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.render.XWikiMacrosMappingRenderer.loadPreferences(XWikiMacrosMappingRenderer.java:107) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.render.XWikiMacrosMappingRenderer.<init>(XWikiMacrosMappingRenderer.java:83) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.render.DefaultXWikiRenderingEngine.<init>(DefaultXWikiRenderingEngine.java:72) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.resetRenderingEngine(XWiki.java:1106) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:786) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.<init>(XWiki.java:734) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:395) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:482) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:136) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) [struts-1.2.9.jar:1.2.9]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [servlet-api-2.5.jar:2.5]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) [servlet-api-2.5.jar:2.5]
      	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:538) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1352) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:120) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:144) [xwiki-platform-wysiwyg-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:66) [xwiki-platform-webdav-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:476) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:517) [jetty-security-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:937) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:871) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:247) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.Server.handle(Server.java:346) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:589) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1048) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:601) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:411) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:535) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:529) [jetty-util-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at java.lang.Thread.run(Thread.java:679) [na:1.6.0_22]
      Caused by: com.xpn.xwiki.XWikiException: Error number 3005 in 3: Unable to update schema of database xwiki.
      Wrapped Exception: Migration failed for change set liquibase.xml::R40000-001::dgervalle:
           Reason: liquibase.exception.DatabaseException: Error executing SQL ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]:
                Caused By: Error executing SQL ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]:
                Caused By: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]:
                Caused By: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87
      	at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager$4.doInHibernate(HibernateDataMigrationManager.java:247) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.execute(XWikiHibernateBaseStore.java:1206) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.executeRead(XWikiHibernateBaseStore.java:1245) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager.invokeLiquibase(HibernateDataMigrationManager.java:224) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager.updateSchema(HibernateDataMigrationManager.java:177) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 63 common frames omitted
      Caused by: liquibase.exception.MigrationFailedException: Migration failed for change set liquibase.xml::R40000-001::dgervalle:
           Reason: liquibase.exception.DatabaseException: Error executing SQL ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]:
                Caused By: Error executing SQL ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]:
                Caused By: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]:
                Caused By: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87
      	at liquibase.changelog.ChangeSet.execute(ChangeSet.java:347) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.changelog.visitor.UpdateVisitor.visit(UpdateVisitor.java:27) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.changelog.ChangeLogIterator.run(ChangeLogIterator.java:58) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.Liquibase.update(Liquibase.java:113) ~[liquibase-core-2.0.3.jar:na]
      	at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager$4.doInHibernate(HibernateDataMigrationManager.java:245) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 67 common frames omitted
      Caused by: liquibase.exception.DatabaseException: Error executing SQL ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]
      	at liquibase.executor.jvm.JdbcExecutor.execute(JdbcExecutor.java:62) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.executor.jvm.JdbcExecutor.execute(JdbcExecutor.java:104) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.database.AbstractDatabase.execute(AbstractDatabase.java:1075) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.database.AbstractDatabase.executeStatements(AbstractDatabase.java:1059) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.changelog.ChangeSet.execute(ChangeSet.java:317) ~[liquibase-core-2.0.3.jar:na]
      	... 71 common frames omitted
      Caused by: java.sql.SQLSyntaxErrorException: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]
      	at org.hsqldb.jdbc.Util.sqlException(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.jdbc.Util.sqlException(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.jdbc.JDBCStatement.fetchResult(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.jdbc.JDBCStatement.execute(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.apache.commons.dbcp.DelegatingStatement.execute(DelegatingStatement.java:264) ~[commons-dbcp-1.3.jar:1.3]
      	at org.apache.commons.dbcp.DelegatingStatement.execute(DelegatingStatement.java:264) ~[commons-dbcp-1.3.jar:1.3]
      	at org.apache.commons.dbcp.DelegatingStatement.execute(DelegatingStatement.java:264) ~[commons-dbcp-1.3.jar:1.3]
      	at liquibase.executor.jvm.JdbcExecutor$1ExecuteStatementCallback.doInStatement(JdbcExecutor.java:92) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.executor.jvm.JdbcExecutor.execute(JdbcExecutor.java:55) ~[liquibase-core-2.0.3.jar:na]
      	... 75 common frames omitted
      Caused by: org.hsqldb.HsqlException: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87
      	at org.hsqldb.error.Error.error(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.error.Error.error(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.Table.checkColumnInFKConstraint(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.TableWorks.retypeColumn(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.StatementSchema.getResult(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.StatementSchema.execute(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.Session.executeCompiledStatement(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.Session.executeDirectStatement(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.Session.execute(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	... 82 common frames omitted
      2012-04-13 16:54:11,369 [http://localhost:8080/xwiki/bin/view/Main/] ERROR .HibernateDataMigrationManager - Main database migration failed, it is not safe to continue! 
      com.xpn.xwiki.store.migration.DataMigrationException: Failed to migrate database [xwiki]...
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.startMigrationsForDatabase(AbstractDataMigrationManager.java:515) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.startMigrations(AbstractDataMigrationManager.java:458) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager.startMigrations(HibernateDataMigrationManager.java:296) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.checkDatabase(AbstractDataMigrationManager.java:386) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:664) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:811) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:744) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:726) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:290) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1430) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1473) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2207) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2239) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.render.XWikiMacrosMappingRenderer.loadPreferences(XWikiMacrosMappingRenderer.java:107) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.render.XWikiMacrosMappingRenderer.<init>(XWikiMacrosMappingRenderer.java:83) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.render.DefaultXWikiRenderingEngine.<init>(DefaultXWikiRenderingEngine.java:72) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.resetRenderingEngine(XWiki.java:1106) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:786) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.<init>(XWiki.java:734) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:395) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:482) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:136) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) [struts-1.2.9.jar:1.2.9]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [servlet-api-2.5.jar:2.5]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) [servlet-api-2.5.jar:2.5]
      	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:538) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1352) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:120) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:144) [xwiki-platform-wysiwyg-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:66) [xwiki-platform-webdav-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:476) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:517) [jetty-security-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:937) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:871) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:247) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.Server.handle(Server.java:346) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:589) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1048) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:601) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:411) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:535) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:529) [jetty-util-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at java.lang.Thread.run(Thread.java:679) [na:1.6.0_22]
      Caused by: com.xpn.xwiki.store.migration.DataMigrationException: Unable to update schema of database xwiki
      	at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager.updateSchema(HibernateDataMigrationManager.java:179) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.startMigrationsForDatabase(AbstractDataMigrationManager.java:510) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 62 common frames omitted
      Caused by: com.xpn.xwiki.XWikiException: Error number 3005 in 3: Unable to update schema of database xwiki.
      Wrapped Exception: Migration failed for change set liquibase.xml::R40000-001::dgervalle:
           Reason: liquibase.exception.DatabaseException: Error executing SQL ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]:
                Caused By: Error executing SQL ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]:
                Caused By: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]:
                Caused By: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87
      	at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager$4.doInHibernate(HibernateDataMigrationManager.java:247) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.execute(XWikiHibernateBaseStore.java:1206) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.executeRead(XWikiHibernateBaseStore.java:1245) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager.invokeLiquibase(HibernateDataMigrationManager.java:224) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager.updateSchema(HibernateDataMigrationManager.java:177) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 63 common frames omitted
      Caused by: liquibase.exception.MigrationFailedException: Migration failed for change set liquibase.xml::R40000-001::dgervalle:
           Reason: liquibase.exception.DatabaseException: Error executing SQL ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]:
                Caused By: Error executing SQL ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]:
                Caused By: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]:
                Caused By: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87
      	at liquibase.changelog.ChangeSet.execute(ChangeSet.java:347) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.changelog.visitor.UpdateVisitor.visit(UpdateVisitor.java:27) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.changelog.ChangeLogIterator.run(ChangeLogIterator.java:58) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.Liquibase.update(Liquibase.java:113) ~[liquibase-core-2.0.3.jar:na]
      	at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager$4.doInHibernate(HibernateDataMigrationManager.java:245) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 67 common frames omitted
      Caused by: liquibase.exception.DatabaseException: Error executing SQL ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]
      	at liquibase.executor.jvm.JdbcExecutor.execute(JdbcExecutor.java:62) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.executor.jvm.JdbcExecutor.execute(JdbcExecutor.java:104) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.database.AbstractDatabase.execute(AbstractDatabase.java:1075) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.database.AbstractDatabase.executeStatements(AbstractDatabase.java:1059) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.changelog.ChangeSet.execute(ChangeSet.java:317) ~[liquibase-core-2.0.3.jar:na]
      	... 71 common frames omitted
      Caused by: java.sql.SQLSyntaxErrorException: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]
      	at org.hsqldb.jdbc.Util.sqlException(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.jdbc.Util.sqlException(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.jdbc.JDBCStatement.fetchResult(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.jdbc.JDBCStatement.execute(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.apache.commons.dbcp.DelegatingStatement.execute(DelegatingStatement.java:264) ~[commons-dbcp-1.3.jar:1.3]
      	at org.apache.commons.dbcp.DelegatingStatement.execute(DelegatingStatement.java:264) ~[commons-dbcp-1.3.jar:1.3]
      	at org.apache.commons.dbcp.DelegatingStatement.execute(DelegatingStatement.java:264) ~[commons-dbcp-1.3.jar:1.3]
      	at liquibase.executor.jvm.JdbcExecutor$1ExecuteStatementCallback.doInStatement(JdbcExecutor.java:92) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.executor.jvm.JdbcExecutor.execute(JdbcExecutor.java:55) ~[liquibase-core-2.0.3.jar:na]
      	... 75 common frames omitted
      Caused by: org.hsqldb.HsqlException: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87
      	at org.hsqldb.error.Error.error(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.error.Error.error(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.Table.checkColumnInFKConstraint(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.TableWorks.retypeColumn(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.StatementSchema.getResult(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.StatementSchema.execute(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.Session.executeCompiledStatement(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.Session.executeDirectStatement(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.Session.execute(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	... 82 common frames omitted
      2012-04-13 16:54:11,388 [http://localhost:8080/xwiki/bin/view/Main/] WARN  c.x.x.XWiki                    - Exception while getting wiki preference [macros_languages] 
      com.xpn.xwiki.XWikiException: Error number 3202 in 3: Exception while reading document [name = [XWikiPreferences], type = [DOCUMENT], parent = [name = [XWiki], type = [SPACE], parent = [name = [xwiki], type = [WIKI], parent = [null]]]]
      Wrapped Exception: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Main database migration failed, it is not safe to continue!
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:851) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:290) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1430) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1473) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2207) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2239) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.render.XWikiMacrosMappingRenderer.loadPreferences(XWikiMacrosMappingRenderer.java:107) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.render.XWikiMacrosMappingRenderer.<init>(XWikiMacrosMappingRenderer.java:83) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.render.DefaultXWikiRenderingEngine.<init>(DefaultXWikiRenderingEngine.java:72) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.resetRenderingEngine(XWiki.java:1106) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:786) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.<init>(XWiki.java:734) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:395) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:482) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:136) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) [struts-1.2.9.jar:1.2.9]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [servlet-api-2.5.jar:2.5]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) [servlet-api-2.5.jar:2.5]
      	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:538) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1352) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:120) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:144) [xwiki-platform-wysiwyg-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:66) [xwiki-platform-webdav-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:476) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:517) [jetty-security-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:937) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:871) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:247) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.Server.handle(Server.java:346) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:589) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1048) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:601) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:411) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:535) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:529) [jetty-util-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at java.lang.Thread.run(Thread.java:679) [na:1.6.0_22]
      Caused by: com.xpn.xwiki.XWikiException: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Main database migration failed, it is not safe to continue!
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:668) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:811) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:744) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:726) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 55 common frames omitted
      Caused by: com.xpn.xwiki.store.migration.DataMigrationException: Main database migration failed, it is not safe to continue!
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.startMigrations(AbstractDataMigrationManager.java:462) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager.startMigrations(HibernateDataMigrationManager.java:296) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.checkDatabase(AbstractDataMigrationManager.java:386) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:664) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 58 common frames omitted
      Caused by: com.xpn.xwiki.store.migration.DataMigrationException: Failed to migrate database [xwiki]...
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.startMigrationsForDatabase(AbstractDataMigrationManager.java:515) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.startMigrations(AbstractDataMigrationManager.java:458) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 61 common frames omitted
      Caused by: com.xpn.xwiki.store.migration.DataMigrationException: Unable to update schema of database xwiki
      	at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager.updateSchema(HibernateDataMigrationManager.java:179) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.startMigrationsForDatabase(AbstractDataMigrationManager.java:510) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 62 common frames omitted
      Caused by: com.xpn.xwiki.XWikiException: Error number 3005 in 3: Unable to update schema of database xwiki.
      Wrapped Exception: Migration failed for change set liquibase.xml::R40000-001::dgervalle:
           Reason: liquibase.exception.DatabaseException: Error executing SQL ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]:
                Caused By: Error executing SQL ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]:
                Caused By: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]:
                Caused By: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87
      	at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager$4.doInHibernate(HibernateDataMigrationManager.java:247) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.execute(XWikiHibernateBaseStore.java:1206) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.executeRead(XWikiHibernateBaseStore.java:1245) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager.invokeLiquibase(HibernateDataMigrationManager.java:224) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager.updateSchema(HibernateDataMigrationManager.java:177) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 63 common frames omitted
      Caused by: liquibase.exception.MigrationFailedException: Migration failed for change set liquibase.xml::R40000-001::dgervalle:
           Reason: liquibase.exception.DatabaseException: Error executing SQL ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]:
                Caused By: Error executing SQL ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]:
                Caused By: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]:
                Caused By: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87
      	at liquibase.changelog.ChangeSet.execute(ChangeSet.java:347) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.changelog.visitor.UpdateVisitor.visit(UpdateVisitor.java:27) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.changelog.ChangeLogIterator.run(ChangeLogIterator.java:58) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.Liquibase.update(Liquibase.java:113) ~[liquibase-core-2.0.3.jar:na]
      	at com.xpn.xwiki.store.migration.hibernate.HibernateDataMigrationManager$4.doInHibernate(HibernateDataMigrationManager.java:245) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 67 common frames omitted
      Caused by: liquibase.exception.DatabaseException: Error executing SQL ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]
      	at liquibase.executor.jvm.JdbcExecutor.execute(JdbcExecutor.java:62) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.executor.jvm.JdbcExecutor.execute(JdbcExecutor.java:104) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.database.AbstractDatabase.execute(AbstractDatabase.java:1075) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.database.AbstractDatabase.executeStatements(AbstractDatabase.java:1059) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.changelog.ChangeSet.execute(ChangeSet.java:317) ~[liquibase-core-2.0.3.jar:na]
      	... 71 common frames omitted
      Caused by: java.sql.SQLSyntaxErrorException: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87 in statement [ALTER TABLE xwikidates ALTER COLUMN XWS_ID BIGINT]
      	at org.hsqldb.jdbc.Util.sqlException(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.jdbc.Util.sqlException(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.jdbc.JDBCStatement.fetchResult(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.jdbc.JDBCStatement.execute(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.apache.commons.dbcp.DelegatingStatement.execute(DelegatingStatement.java:264) ~[commons-dbcp-1.3.jar:1.3]
      	at org.apache.commons.dbcp.DelegatingStatement.execute(DelegatingStatement.java:264) ~[commons-dbcp-1.3.jar:1.3]
      	at org.apache.commons.dbcp.DelegatingStatement.execute(DelegatingStatement.java:264) ~[commons-dbcp-1.3.jar:1.3]
      	at liquibase.executor.jvm.JdbcExecutor$1ExecuteStatementCallback.doInStatement(JdbcExecutor.java:92) ~[liquibase-core-2.0.3.jar:na]
      	at liquibase.executor.jvm.JdbcExecutor.execute(JdbcExecutor.java:55) ~[liquibase-core-2.0.3.jar:na]
      	... 75 common frames omitted
      Caused by: org.hsqldb.HsqlException: is referenced by FOREIGN KEY constraint: PUBLIC.FKDEAEAB5D3433FD87
      	at org.hsqldb.error.Error.error(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.error.Error.error(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.Table.checkColumnInFKConstraint(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.TableWorks.retypeColumn(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.StatementSchema.getResult(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.StatementSchema.execute(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.Session.executeCompiledStatement(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.Session.executeDirectStatement(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	at org.hsqldb.Session.execute(Unknown Source) ~[hsqldb-2.2.8.jar:2.2.8]
      	... 82 common frames omitted
      2012-04-13 16:54:11,395 [http://localhost:8080/xwiki/bin/view/Main/] ERROR .HibernateDataMigrationManager - Database xwiki needs migration(s), it could not be safely used! 
      2012-04-13 16:54:11,402 [http://localhost:8080/xwiki/bin/view/Main/] WARN  c.x.x.XWiki                    - Exception while getting wiki preference [macros_velocity] 
      com.xpn.xwiki.XWikiException: Error number 3202 in 3: Exception while reading document [name = [XWikiPreferences], type = [DOCUMENT], parent = [name = [XWiki], type = [SPACE], parent = [name = [xwiki], type = [WIKI], parent = [null]]]]
      Wrapped Exception: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:851) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:290) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1430) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1473) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2207) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2239) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.render.XWikiMacrosMappingRenderer.loadPreferences(XWikiMacrosMappingRenderer.java:111) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.render.XWikiMacrosMappingRenderer.<init>(XWikiMacrosMappingRenderer.java:83) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.render.DefaultXWikiRenderingEngine.<init>(DefaultXWikiRenderingEngine.java:72) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.resetRenderingEngine(XWiki.java:1106) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:786) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.<init>(XWiki.java:734) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:395) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:482) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:136) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) [struts-1.2.9.jar:1.2.9]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [servlet-api-2.5.jar:2.5]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) [servlet-api-2.5.jar:2.5]
      	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:538) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1352) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:120) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:144) [xwiki-platform-wysiwyg-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:66) [xwiki-platform-webdav-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:476) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:517) [jetty-security-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:937) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:871) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:247) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.Server.handle(Server.java:346) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:589) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1048) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:601) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:411) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:535) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:529) [jetty-util-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at java.lang.Thread.run(Thread.java:679) [na:1.6.0_22]
      Caused by: com.xpn.xwiki.XWikiException: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:668) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:811) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:744) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:726) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 55 common frames omitted
      Caused by: com.xpn.xwiki.store.migration.MigrationRequiredException: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.checkDatabase(AbstractDataMigrationManager.java:406) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:664) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 58 common frames omitted
      2012-04-13 16:54:11,403 [http://localhost:8080/xwiki/bin/view/Main/] ERROR .HibernateDataMigrationManager - Database xwiki needs migration(s), it could not be safely used! 
      2012-04-13 16:54:11,405 [http://localhost:8080/xwiki/bin/view/Main/] WARN  c.x.x.XWiki                    - Exception while getting wiki preference [macros_groovy] 
      com.xpn.xwiki.XWikiException: Error number 3202 in 3: Exception while reading document [name = [XWikiPreferences], type = [DOCUMENT], parent = [name = [XWiki], type = [SPACE], parent = [name = [xwiki], type = [WIKI], parent = [null]]]]
      Wrapped Exception: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:851) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:290) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1430) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1473) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2207) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2239) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.render.XWikiMacrosMappingRenderer.loadPreferences(XWikiMacrosMappingRenderer.java:111) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.render.XWikiMacrosMappingRenderer.<init>(XWikiMacrosMappingRenderer.java:83) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.render.DefaultXWikiRenderingEngine.<init>(DefaultXWikiRenderingEngine.java:72) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.resetRenderingEngine(XWiki.java:1106) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:786) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.<init>(XWiki.java:734) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:395) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:482) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:136) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) [struts-1.2.9.jar:1.2.9]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [servlet-api-2.5.jar:2.5]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) [servlet-api-2.5.jar:2.5]
      	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:538) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1352) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:120) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:144) [xwiki-platform-wysiwyg-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:66) [xwiki-platform-webdav-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:476) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:517) [jetty-security-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:937) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:871) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:247) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.Server.handle(Server.java:346) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:589) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1048) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:601) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:411) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:535) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:529) [jetty-util-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at java.lang.Thread.run(Thread.java:679) [na:1.6.0_22]
      Caused by: com.xpn.xwiki.XWikiException: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:668) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:811) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:744) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:726) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 55 common frames omitted
      Caused by: com.xpn.xwiki.store.migration.MigrationRequiredException: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.checkDatabase(AbstractDataMigrationManager.java:406) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:664) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 58 common frames omitted
      2012-04-13 16:54:11,405 [http://localhost:8080/xwiki/bin/view/Main/] ERROR .HibernateDataMigrationManager - Database xwiki needs migration(s), it could not be safely used! 
      2012-04-13 16:54:11,419 [http://localhost:8080/xwiki/bin/view/Main/] WARN  c.x.x.XWiki                    - Exception while getting wiki preference [macros_mapping] 
      com.xpn.xwiki.XWikiException: Error number 3202 in 3: Exception while reading document [name = [XWikiPreferences], type = [DOCUMENT], parent = [name = [XWiki], type = [SPACE], parent = [name = [xwiki], type = [WIKI], parent = [null]]]]
      Wrapped Exception: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:851) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:290) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1430) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1473) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2207) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2239) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getMacroList(XWiki.java:6512) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.render.XWikiMacrosMappingRenderer.loadPreferences(XWikiMacrosMappingRenderer.java:117) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.render.XWikiMacrosMappingRenderer.<init>(XWikiMacrosMappingRenderer.java:83) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.render.DefaultXWikiRenderingEngine.<init>(DefaultXWikiRenderingEngine.java:72) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.resetRenderingEngine(XWiki.java:1106) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:786) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.<init>(XWiki.java:734) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:395) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:482) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:136) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) [struts-1.2.9.jar:1.2.9]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [servlet-api-2.5.jar:2.5]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) [servlet-api-2.5.jar:2.5]
      	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:538) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1352) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:120) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:144) [xwiki-platform-wysiwyg-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:66) [xwiki-platform-webdav-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:476) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:517) [jetty-security-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:937) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:871) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:247) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.Server.handle(Server.java:346) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:589) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1048) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:601) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:411) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:535) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:529) [jetty-util-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at java.lang.Thread.run(Thread.java:679) [na:1.6.0_22]
      Caused by: com.xpn.xwiki.XWikiException: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:668) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:811) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:744) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:726) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 56 common frames omitted
      Caused by: com.xpn.xwiki.store.migration.MigrationRequiredException: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.checkDatabase(AbstractDataMigrationManager.java:406) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:664) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 59 common frames omitted
      2012-04-13 16:54:11,493 [http://localhost:8080/xwiki/bin/view/Main/] ERROR .HibernateDataMigrationManager - Database xwiki needs migration(s), it could not be safely used! 
      2012-04-13 16:54:11,494 [http://localhost:8080/xwiki/bin/view/Main/] WARN  c.x.x.XWiki                    - Exception while getting wiki preference [plugins] 
      com.xpn.xwiki.XWikiException: Error number 3202 in 3: Exception while reading document [name = [XWikiPreferences], type = [DOCUMENT], parent = [name = [XWiki], type = [SPACE], parent = [name = [xwiki], type = [WIKI], parent = [null]]]]
      Wrapped Exception: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:851) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:290) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1430) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1473) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2207) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2239) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2185) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.preparePlugins(XWiki.java:1111) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:789) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.<init>(XWiki.java:734) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:395) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:482) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:136) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) [struts-1.2.9.jar:1.2.9]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [servlet-api-2.5.jar:2.5]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) [servlet-api-2.5.jar:2.5]
      	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:538) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1352) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:120) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:144) [xwiki-platform-wysiwyg-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:66) [xwiki-platform-webdav-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:476) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:517) [jetty-security-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:937) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:871) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:247) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.Server.handle(Server.java:346) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:589) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1048) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:601) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:411) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:535) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:529) [jetty-util-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at java.lang.Thread.run(Thread.java:679) [na:1.6.0_22]
      Caused by: com.xpn.xwiki.XWikiException: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:668) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:811) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:744) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:726) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 53 common frames omitted
      Caused by: com.xpn.xwiki.store.migration.MigrationRequiredException: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.checkDatabase(AbstractDataMigrationManager.java:406) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:664) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 56 common frames omitted
      2012-04-13 16:54:11,510 [http://localhost:8080/xwiki/bin/view/Main/] ERROR .HibernateDataMigrationManager - Database xwiki needs migration(s), it could not be safely used! 
      2012-04-13 16:54:11,512 [http://localhost:8080/xwiki/bin/view/Main/] ERROR actDocumentSkinExtensionPlugin - Cannot initialize skin extension class [XWiki.JavaScriptExtension] 
      com.xpn.xwiki.XWikiException: Error number 3202 in 3: Exception while reading document [name = [JavaScriptExtension], type = [DOCUMENT], parent = [name = [XWiki], type = [SPACE], parent = [name = [xwiki], type = [WIKI], parent = [null]]]]
      Wrapped Exception: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:851) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:290) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1430) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1484) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.skinx.AbstractDocumentSkinExtensionPlugin.getExtensionClass(AbstractDocumentSkinExtensionPlugin.java:255) [xwiki-platform-skin-skinx-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.skinx.AbstractDocumentSkinExtensionPlugin.init(AbstractDocumentSkinExtensionPlugin.java:143) [xwiki-platform-skin-skinx-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.initPlugin(XWikiPluginManager.java:152) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.addPlugin(XWikiPluginManager.java:88) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.addPlugins(XWikiPluginManager.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.preparePlugins(XWiki.java:1114) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:789) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.<init>(XWiki.java:734) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:395) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:482) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:136) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) [struts-1.2.9.jar:1.2.9]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [servlet-api-2.5.jar:2.5]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) [servlet-api-2.5.jar:2.5]
      	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:538) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1352) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:120) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:144) [xwiki-platform-wysiwyg-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:66) [xwiki-platform-webdav-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:476) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:517) [jetty-security-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:937) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:871) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:247) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.Server.handle(Server.java:346) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:589) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1048) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:601) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:411) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:535) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:529) [jetty-util-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at java.lang.Thread.run(Thread.java:679) [na:1.6.0_22]
      Caused by: com.xpn.xwiki.XWikiException: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:668) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:811) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:744) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:726) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 55 common frames omitted
      Caused by: com.xpn.xwiki.store.migration.MigrationRequiredException: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.checkDatabase(AbstractDataMigrationManager.java:406) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:664) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 58 common frames omitted
      2012-04-13 16:54:11,514 [http://localhost:8080/xwiki/bin/view/Main/] ERROR .HibernateDataMigrationManager - Database xwiki needs migration(s), it could not be safely used! 
      2012-04-13 16:54:11,516 [http://localhost:8080/xwiki/bin/view/Main/] ERROR actDocumentSkinExtensionPlugin - Cannot initialize skin extension class [XWiki.StyleSheetExtension] 
      com.xpn.xwiki.XWikiException: Error number 3202 in 3: Exception while reading document [name = [StyleSheetExtension], type = [DOCUMENT], parent = [name = [XWiki], type = [SPACE], parent = [name = [xwiki], type = [WIKI], parent = [null]]]]
      Wrapped Exception: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:851) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:290) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1430) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1484) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.skinx.AbstractDocumentSkinExtensionPlugin.getExtensionClass(AbstractDocumentSkinExtensionPlugin.java:255) [xwiki-platform-skin-skinx-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.skinx.AbstractDocumentSkinExtensionPlugin.init(AbstractDocumentSkinExtensionPlugin.java:143) [xwiki-platform-skin-skinx-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.initPlugin(XWikiPluginManager.java:152) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.addPlugin(XWikiPluginManager.java:88) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.addPlugins(XWikiPluginManager.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.preparePlugins(XWiki.java:1114) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:789) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.<init>(XWiki.java:734) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:395) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:482) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:136) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) [struts-1.2.9.jar:1.2.9]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [servlet-api-2.5.jar:2.5]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) [servlet-api-2.5.jar:2.5]
      	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:538) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1352) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:120) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:144) [xwiki-platform-wysiwyg-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:66) [xwiki-platform-webdav-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:476) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:517) [jetty-security-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:937) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:871) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:247) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.Server.handle(Server.java:346) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:589) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1048) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:601) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:411) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:535) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:529) [jetty-util-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at java.lang.Thread.run(Thread.java:679) [na:1.6.0_22]
      Caused by: com.xpn.xwiki.XWikiException: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:668) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:811) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:744) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:726) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 55 common frames omitted
      Caused by: com.xpn.xwiki.store.migration.MigrationRequiredException: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.checkDatabase(AbstractDataMigrationManager.java:406) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:664) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 58 common frames omitted
      2012-04-13 16:54:11,528 [http://localhost:8080/xwiki/bin/view/Main/] ERROR .HibernateDataMigrationManager - Database xwiki needs migration(s), it could not be safely used! 
      2012-04-13 16:54:11,528 [http://localhost:8080/xwiki/bin/view/Main/] ERROR .HibernateDataMigrationManager - Database xwiki needs migration(s), it could not be safely used! 
      2012-04-13 16:54:11,530 [http://localhost:8080/xwiki/bin/view/Main/] ERROR .HibernateDataMigrationManager - Database xwiki needs migration(s), it could not be safely used! 
      2012-04-13 16:54:11,530 [http://localhost:8080/xwiki/bin/view/Main/] ERROR .HibernateDataMigrationManager - Database xwiki needs migration(s), it could not be safely used! 
      2012-04-13 16:54:12,042 [http://localhost:8080/xwiki/bin/view/Main/] ERROR .HibernateDataMigrationManager - Database xwiki needs migration(s), it could not be safely used! 
      2012-04-13 16:54:12,043 [http://localhost:8080/xwiki/bin/view/Main/] ERROR .HibernateDataMigrationManager - Database xwiki needs migration(s), it could not be safely used! 
      2012-04-13 16:54:12,045 [http://localhost:8080/xwiki/bin/view/Main/] WARN  c.x.x.XWiki                    - Exception while getting wiki preference [default_language] 
      com.xpn.xwiki.XWikiException: Error number 3202 in 3: Exception while reading document [name = [XWikiPreferences], type = [DOCUMENT], parent = [name = [XWiki], type = [SPACE], parent = [name = [xwiki], type = [WIKI], parent = [null]]]]
      Wrapped Exception: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:851) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:290) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1430) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1473) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2207) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2239) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDefaultLanguage(XWiki.java:2490) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getLanguagePreference(XWiki.java:2364) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.prepareResources(XWiki.java:4042) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWikiContext.getMessageTool(XWikiContext.java:635) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.updateSchedulerJobClass(SchedulerPlugin.java:671) [xwiki-platform-scheduler-api-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.init(SchedulerPlugin.java:115) [xwiki-platform-scheduler-api-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.initPlugin(XWikiPluginManager.java:152) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.addPlugin(XWikiPluginManager.java:88) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.addPlugins(XWikiPluginManager.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.preparePlugins(XWiki.java:1114) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:789) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.<init>(XWiki.java:734) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:395) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:482) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:136) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) [struts-1.2.9.jar:1.2.9]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [servlet-api-2.5.jar:2.5]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) [servlet-api-2.5.jar:2.5]
      	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:538) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1352) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:120) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:144) [xwiki-platform-wysiwyg-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:66) [xwiki-platform-webdav-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:476) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:517) [jetty-security-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:937) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:871) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:247) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.Server.handle(Server.java:346) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:589) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1048) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:601) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:411) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:535) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:529) [jetty-util-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at java.lang.Thread.run(Thread.java:679) [na:1.6.0_22]
      Caused by: com.xpn.xwiki.XWikiException: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:668) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:811) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:744) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:726) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 61 common frames omitted
      Caused by: com.xpn.xwiki.store.migration.MigrationRequiredException: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.checkDatabase(AbstractDataMigrationManager.java:406) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:664) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 64 common frames omitted
      2012-04-13 16:54:12,046 [http://localhost:8080/xwiki/bin/view/Main/] ERROR .HibernateDataMigrationManager - Database xwiki needs migration(s), it could not be safely used! 
      2012-04-13 16:54:12,048 [http://localhost:8080/xwiki/bin/view/Main/] WARN  c.x.x.XWiki                    - Exception while getting wiki preference [multilingual] 
      com.xpn.xwiki.XWikiException: Error number 3202 in 3: Exception while reading document [name = [XWikiPreferences], type = [DOCUMENT], parent = [name = [XWiki], type = [SPACE], parent = [name = [xwiki], type = [WIKI], parent = [null]]]]
      Wrapped Exception: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:851) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:290) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1430) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1473) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2207) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2239) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.isMultiLingual(XWiki.java:5066) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getLanguagePreference(XWiki.java:2367) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.prepareResources(XWiki.java:4042) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWikiContext.getMessageTool(XWikiContext.java:635) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.updateSchedulerJobClass(SchedulerPlugin.java:671) [xwiki-platform-scheduler-api-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.init(SchedulerPlugin.java:115) [xwiki-platform-scheduler-api-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.initPlugin(XWikiPluginManager.java:152) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.addPlugin(XWikiPluginManager.java:88) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.addPlugins(XWikiPluginManager.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.preparePlugins(XWiki.java:1114) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:789) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.<init>(XWiki.java:734) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:395) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:482) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:136) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) [struts-1.2.9.jar:1.2.9]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [servlet-api-2.5.jar:2.5]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) [servlet-api-2.5.jar:2.5]
      	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:538) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1352) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:120) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:144) [xwiki-platform-wysiwyg-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:66) [xwiki-platform-webdav-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:476) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:517) [jetty-security-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:937) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:871) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:247) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.Server.handle(Server.java:346) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:589) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1048) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:601) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:411) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:535) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:529) [jetty-util-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at java.lang.Thread.run(Thread.java:679) [na:1.6.0_22]
      Caused by: com.xpn.xwiki.XWikiException: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:668) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:811) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:744) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:726) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 61 common frames omitted
      Caused by: com.xpn.xwiki.store.migration.MigrationRequiredException: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.checkDatabase(AbstractDataMigrationManager.java:406) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:664) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 64 common frames omitted
      2012-04-13 16:54:12,058 [http://localhost:8080/xwiki/bin/view/Main/] ERROR .HibernateDataMigrationManager - Database xwiki needs migration(s), it could not be safely used! 
      2012-04-13 16:54:12,060 [http://localhost:8080/xwiki/bin/view/Main/] WARN  c.x.x.XWiki                    - Exception while getting wiki preference [default_language] 
      com.xpn.xwiki.XWikiException: Error number 3202 in 3: Exception while reading document [name = [XWikiPreferences], type = [DOCUMENT], parent = [name = [XWiki], type = [SPACE], parent = [name = [xwiki], type = [WIKI], parent = [null]]]]
      Wrapped Exception: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:851) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:290) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1430) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1473) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2207) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2239) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDefaultLanguage(XWiki.java:2490) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiMessageTool.getDocumentBundles(XWikiMessageTool.java:204) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiMessageTool.getTranslation(XWikiMessageTool.java:328) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiMessageTool.get(XWikiMessageTool.java:127) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.updateSchedulerJobClass(SchedulerPlugin.java:671) [xwiki-platform-scheduler-api-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.init(SchedulerPlugin.java:115) [xwiki-platform-scheduler-api-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.initPlugin(XWikiPluginManager.java:152) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.addPlugin(XWikiPluginManager.java:88) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.addPlugins(XWikiPluginManager.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.preparePlugins(XWiki.java:1114) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:789) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.<init>(XWiki.java:734) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:395) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:482) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:136) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) [struts-1.2.9.jar:1.2.9]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [servlet-api-2.5.jar:2.5]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) [servlet-api-2.5.jar:2.5]
      	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:538) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1352) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:120) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:144) [xwiki-platform-wysiwyg-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:66) [xwiki-platform-webdav-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:476) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:517) [jetty-security-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:937) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:871) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:247) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.Server.handle(Server.java:346) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:589) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1048) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:601) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:411) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:535) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:529) [jetty-util-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at java.lang.Thread.run(Thread.java:679) [na:1.6.0_22]
      Caused by: com.xpn.xwiki.XWikiException: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:668) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:811) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:744) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:726) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 61 common frames omitted
      Caused by: com.xpn.xwiki.store.migration.MigrationRequiredException: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.checkDatabase(AbstractDataMigrationManager.java:406) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:664) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 64 common frames omitted
      2012-04-13 16:54:12,060 [http://localhost:8080/xwiki/bin/view/Main/] ERROR .HibernateDataMigrationManager - Database xwiki needs migration(s), it could not be safely used! 
      2012-04-13 16:54:12,062 [http://localhost:8080/xwiki/bin/view/Main/] WARN  c.x.x.XWiki                    - Exception while getting wiki preference [documentBundles] 
      com.xpn.xwiki.XWikiException: Error number 3202 in 3: Exception while reading document [name = [XWikiPreferences], type = [DOCUMENT], parent = [name = [XWiki], type = [SPACE], parent = [name = [xwiki], type = [WIKI], parent = [null]]]]
      Wrapped Exception: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:851) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:290) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1430) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1473) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2207) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2239) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2185) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiMessageTool.getDocumentBundleNames(XWikiMessageTool.java:184) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiMessageTool.getDocumentBundles(XWikiMessageTool.java:206) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiMessageTool.getTranslation(XWikiMessageTool.java:328) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiMessageTool.get(XWikiMessageTool.java:127) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.updateSchedulerJobClass(SchedulerPlugin.java:671) [xwiki-platform-scheduler-api-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.init(SchedulerPlugin.java:115) [xwiki-platform-scheduler-api-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.initPlugin(XWikiPluginManager.java:152) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.addPlugin(XWikiPluginManager.java:88) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.addPlugins(XWikiPluginManager.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.preparePlugins(XWiki.java:1114) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:789) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.<init>(XWiki.java:734) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:395) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:482) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:136) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) [struts-1.2.9.jar:1.2.9]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [servlet-api-2.5.jar:2.5]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) [servlet-api-2.5.jar:2.5]
      	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:538) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1352) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:120) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:144) [xwiki-platform-wysiwyg-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:66) [xwiki-platform-webdav-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:476) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:517) [jetty-security-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:937) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:871) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:247) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.Server.handle(Server.java:346) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:589) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1048) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:601) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:411) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:535) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:529) [jetty-util-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at java.lang.Thread.run(Thread.java:679) [na:1.6.0_22]
      Caused by: com.xpn.xwiki.XWikiException: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:668) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:811) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:744) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:726) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 62 common frames omitted
      Caused by: com.xpn.xwiki.store.migration.MigrationRequiredException: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.checkDatabase(AbstractDataMigrationManager.java:406) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:664) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 65 common frames omitted
      2012-04-13 16:54:12,066 [http://localhost:8080/xwiki/bin/view/Main/] ERROR .HibernateDataMigrationManager - Database xwiki needs migration(s), it could not be safely used! 
      2012-04-13 16:54:12,068 [http://localhost:8080/xwiki/bin/view/Main/] ERROR c.x.x.p.s.SchedulerPlugin      - Failed to update scheduler job class for in wiki [xwiki] 
      com.xpn.xwiki.plugin.scheduler.SchedulerPluginException: Error number 90000 in 5: Exception in plugin [com.xpn.xwiki.plugin.scheduler.SchedulerPlugin]: Error while saving XWiki.SchedulerJobClass class document in XWiki
      Wrapped Exception: Error number 3201 in 3: Exception while saving document xwiki:XWiki.SchedulerJobClass
      Wrapped Exception: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.updateSchedulerJobClass(SchedulerPlugin.java:674) ~[xwiki-platform-scheduler-api-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.init(SchedulerPlugin.java:115) ~[xwiki-platform-scheduler-api-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.initPlugin(XWikiPluginManager.java:152) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.addPlugin(XWikiPluginManager.java:88) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.addPlugins(XWikiPluginManager.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.preparePlugins(XWiki.java:1114) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:789) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.<init>(XWiki.java:734) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:395) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:482) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:136) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) [struts-1.2.9.jar:1.2.9]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [servlet-api-2.5.jar:2.5]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) [servlet-api-2.5.jar:2.5]
      	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:538) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1352) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:120) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:144) [xwiki-platform-wysiwyg-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:66) [xwiki-platform-webdav-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:476) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:517) [jetty-security-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:937) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:871) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:247) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.Server.handle(Server.java:346) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:589) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1048) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:601) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:411) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:535) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:529) [jetty-util-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at java.lang.Thread.run(Thread.java:679) [na:1.6.0_22]
      Caused by: com.xpn.xwiki.XWikiException: Error number 3201 in 3: Exception while saving document xwiki:XWiki.SchedulerJobClass
      Wrapped Exception: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiDoc(XWikiHibernateStore.java:688) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiCacheStore.saveXWikiDoc(XWikiCacheStore.java:177) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiCacheStore.saveXWikiDoc(XWikiCacheStore.java:170) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.saveDocument(XWiki.java:1384) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.scheduler.SchedulerPlugin.updateSchedulerJobClass(SchedulerPlugin.java:671) ~[xwiki-platform-scheduler-api-4.0-rc-1.jar:na]
      	... 51 common frames omitted
      Caused by: com.xpn.xwiki.XWikiException: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:668) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:811) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiDoc(XWikiHibernateStore.java:447) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 55 common frames omitted
      Caused by: com.xpn.xwiki.store.migration.MigrationRequiredException: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.checkDatabase(AbstractDataMigrationManager.java:406) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:664) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 57 common frames omitted
      2012-04-13 16:54:12,137 [http://localhost:8080/xwiki/bin/view/Main/] ERROR .HibernateDataMigrationManager - Database xwiki needs migration(s), it could not be safely used! 
      2012-04-13 16:54:12,146 [http://localhost:8080/xwiki/bin/view/Main/] ERROR .HibernateDataMigrationManager - Database xwiki needs migration(s), it could not be safely used! 
      2012-04-13 16:54:12,148 [http://localhost:8080/xwiki/bin/view/Main/] WARN  c.x.x.XWiki                    - Exception while getting wiki preference [xwiki.plugin.activitystream.daystokeepevents] 
      com.xpn.xwiki.XWikiException: Error number 3202 in 3: Exception while reading document [name = [XWikiPreferences], type = [DOCUMENT], parent = [name = [XWiki], type = [SPACE], parent = [name = [xwiki], type = [WIKI], parent = [null]]]]
      Wrapped Exception: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:851) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:290) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1430) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1473) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWikiPreference(XWiki.java:2207) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.activitystream.plugin.ActivityStreamPlugin.getActivityStreamPreference(ActivityStreamPlugin.java:101) [xwiki-platform-activitystream-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.activitystream.impl.ActivityStreamCleaner.getNumberOfDaysToKeep(ActivityStreamCleaner.java:106) [xwiki-platform-activitystream-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.activitystream.impl.ActivityStreamCleaner.init(ActivityStreamCleaner.java:215) [xwiki-platform-activitystream-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.activitystream.impl.ActivityStreamImpl.init(ActivityStreamImpl.java:228) [xwiki-platform-activitystream-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.activitystream.plugin.ActivityStreamPlugin.init(ActivityStreamPlugin.java:109) [xwiki-platform-activitystream-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.initPlugin(XWikiPluginManager.java:152) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.addPlugin(XWikiPluginManager.java:88) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.addPlugins(XWikiPluginManager.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.preparePlugins(XWiki.java:1114) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:789) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.<init>(XWiki.java:734) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:395) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:482) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:136) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) [struts-1.2.9.jar:1.2.9]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [servlet-api-2.5.jar:2.5]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) [servlet-api-2.5.jar:2.5]
      	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:538) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1352) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:120) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:144) [xwiki-platform-wysiwyg-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:66) [xwiki-platform-webdav-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:476) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:517) [jetty-security-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:937) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:871) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:247) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.Server.handle(Server.java:346) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:589) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1048) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:601) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:411) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:535) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:529) [jetty-util-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at java.lang.Thread.run(Thread.java:679) [na:1.6.0_22]
      Caused by: com.xpn.xwiki.XWikiException: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:668) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:811) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:744) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:726) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 59 common frames omitted
      Caused by: com.xpn.xwiki.store.migration.MigrationRequiredException: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.checkDatabase(AbstractDataMigrationManager.java:406) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:664) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 62 common frames omitted
      2012-04-13 16:54:12,161 [http://localhost:8080/xwiki/bin/view/Main/] ERROR .HibernateDataMigrationManager - Database xwiki needs migration(s), it could not be safely used! 
      2012-04-13 16:54:12,162 [http://localhost:8080/xwiki/bin/view/Main/] ERROR .HibernateDataMigrationManager - Database xwiki needs migration(s), it could not be safely used! 
      2012-04-13 16:54:12,163 [http://localhost:8080/xwiki/bin/view/Main/] ERROR c.x.x.p.w.WatchListPlugin      - init 
      com.xpn.xwiki.XWikiException: Error number 3201 in 3: Exception while saving document xwiki:XWiki.WatchListJobClass
      Wrapped Exception: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiDoc(XWikiHibernateStore.java:688) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiCacheStore.saveXWikiDoc(XWikiCacheStore.java:177) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiCacheStore.saveXWikiDoc(XWikiCacheStore.java:170) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.saveDocument(XWiki.java:1384) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.watchlist.WatchListJobManager.initWatchListJobClass(WatchListJobManager.java:168) ~[xwiki-platform-watchlist-api-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.watchlist.WatchListJobManager.init(WatchListJobManager.java:344) ~[xwiki-platform-watchlist-api-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.watchlist.WatchListPlugin.init(WatchListPlugin.java:114) ~[xwiki-platform-watchlist-api-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.initPlugin(XWikiPluginManager.java:152) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.addPlugin(XWikiPluginManager.java:88) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.plugin.XWikiPluginManager.addPlugins(XWikiPluginManager.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.preparePlugins(XWiki.java:1114) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:789) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.<init>(XWiki.java:734) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:395) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:482) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:136) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) [struts-1.2.9.jar:1.2.9]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [servlet-api-2.5.jar:2.5]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) [servlet-api-2.5.jar:2.5]
      	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:538) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1352) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:120) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:144) [xwiki-platform-wysiwyg-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:66) [xwiki-platform-webdav-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:476) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:517) [jetty-security-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:937) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:871) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:247) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.Server.handle(Server.java:346) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:589) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1048) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:601) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:411) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:535) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:529) [jetty-util-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at java.lang.Thread.run(Thread.java:679) [na:1.6.0_22]
      Caused by: com.xpn.xwiki.XWikiException: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:668) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:811) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiDoc(XWikiHibernateStore.java:447) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 56 common frames omitted
      Caused by: com.xpn.xwiki.store.migration.MigrationRequiredException: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.checkDatabase(AbstractDataMigrationManager.java:406) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:664) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 58 common frames omitted
      2012-04-13 16:54:12,167 [http://localhost:8080/xwiki/bin/view/Main/] ERROR .HibernateDataMigrationManager - Database xwiki needs migration(s), it could not be safely used! 
      2012-04-13 16:54:12,175 [http://localhost:8080/xwiki/bin/view/Main/] ERROR c.x.x.w.XWikiAction            - Uncaught exception during XWiki initialisation: 
      com.xpn.xwiki.XWikiException: Error number 3 in 0: Could not initialize main XWiki context
      Wrapped Exception: Error number 3202 in 3: Exception while reading document [name = [XWikiPreferences], type = [DOCUMENT], parent = [name = [XWiki], type = [SPACE], parent = [name = [xwiki], type = [WIKI], parent = [null]]]]
      Wrapped Exception: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:413) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:482) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:136) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:116) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196) [struts-1.2.9.jar:1.2.9]
      	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) [struts-1.2.9.jar:1.2.9]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) [servlet-api-2.5.jar:2.5]
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) [servlet-api-2.5.jar:2.5]
      	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:538) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1352) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:120) [xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:144) [xwiki-platform-wysiwyg-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:66) [xwiki-platform-webdav-server-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:111) [xwiki-platform-container-servlet-4.0-rc-1.jar:na]
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:476) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:517) [jetty-security-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:225) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:937) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:183) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:871) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:247) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:149) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.Server.handle(Server.java:346) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:589) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:1048) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:601) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:214) [jetty-http-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:411) [jetty-server-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:535) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40) [jetty-io-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:529) [jetty-util-7.4.5.v20110725.jar:7.4.5.v20110725]
      	at java.lang.Thread.run(Thread.java:679) [na:1.6.0_22]
      Caused by: com.xpn.xwiki.XWikiException: Error number 3202 in 3: Exception while reading document [name = [XWikiPreferences], type = [DOCUMENT], parent = [name = [XWiki], type = [SPACE], parent = [name = [xwiki], type = [WIKI], parent = [null]]]]
      Wrapped Exception: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:851) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:290) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1430) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1473) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getPrefsClass(XWiki.java:3126) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.initializeMandatoryClasses(XWiki.java:822) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:793) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.<init>(XWiki.java:734) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:395) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 43 common frames omitted
      Caused by: com.xpn.xwiki.XWikiException: Error number 3301 in 3: Exception while switching to database xwiki
      Wrapped Exception: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:668) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:811) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:744) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:726) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 51 common frames omitted
      Caused by: com.xpn.xwiki.store.migration.MigrationRequiredException: Database xwiki needs migration(s), it could not be safely used!
      	at com.xpn.xwiki.store.migration.AbstractDataMigrationManager.checkDatabase(AbstractDataMigrationManager.java:406) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:664) ~[xwiki-platform-legacy-oldcore-4.0-rc-1.jar:na]
      	... 54 common frames omitted
      2012-04-13 16:54:12,177 [http://localhost:8080/xwiki/bin/view/Main/] WARN  o.a.s.a.RequestProcessor       - Unhandled Exception thrown: class com.xpn.xwiki.XWikiException 
      

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              softec Denis Gervalle
              sorinello Sorin Burjan
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