2013-11-25 17:16:48,159 [http:com.xpn.xwiki.XWikiException: Error number 3202 in 3: Exception while reading document [XWiki.XWikiServerObject workspace:XWiki.XWikiAllGroup^workspace]
at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:927) ~[xwiki-platform-oldcore-5.3-SNAPSHOT.jar:na]
at com.xpn.xwiki.store.XWikiCacheStore.loadXWikiDoc(XWikiCacheStore.java:290) ~[xwiki-platform-oldcore-5.3-SNAPSHOT.jar:na]
at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1356) [xwiki-platform-oldcore-5.3-SNAPSHOT.jar:na]
at com.xpn.xwiki.XWiki.getDocument(XWiki.java:1415) [xwiki-platform-oldcore-5.3-SNAPSHOT.jar:na]
at com.xpn.xwiki.XWiki.getServletPath(XWiki.java:4282) [xwiki-platform-oldcore-5.3-SNAPSHOT.jar:na]
at com.xpn.xwiki.web.XWikiServletURLFactory.addServletPath(XWikiServletURLFactory.java:256) [xwiki-platform-oldcore-5.3-SNAPSHOT.jar:na]
at com.xpn.xwiki.web.XWikiServletURLFactory.createURL(XWikiServletURLFactory.java:223) [xwiki-platform-oldcore-5.3-SNAPSHOT.jar:na]
at com.xpn.xwiki.XWiki.getURL(XWiki.java:4339) [xwiki-platform-oldcore-5.3-SNAPSHOT.jar:na]
at com.xpn.xwiki.XWiki.getURL(XWiki.java:4353) [xwiki-platform-oldcore-5.3-SNAPSHOT.jar:na]
at com.xpn.xwiki.XWiki.getURL(XWiki.java:4376) [xwiki-platform-oldcore-5.3-SNAPSHOT.jar:na]
at com.xpn.xwiki.api.XWiki.getURL(XWiki.java:1829) [xwiki-platform-oldcore-5.3-SNAPSHOT.jar:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.6.0_33]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) ~[na:1.6.0_33]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) ~[na:1.6.0_33]
at java.lang.reflect.Method.invoke(Method.java:597) ~[na:1.6.0_33]
at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:395) [velocity-1.7.jar:1.7]
at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:384) [velocity-1.7.jar:1.7]
at org.xwiki.velocity.introspection.MethodArgumentsUberspector$ConvertingVelMethod.invoke(MethodArgumentsUberspector.java:154) [xwiki-commons-velocity-5.3-20131119.080535-49.jar:na]
at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:173) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:280) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:369) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTStringLiteral.value(ASTStringLiteral.java:330) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:71) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:142) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.directive.Foreach.render(Foreach.java:420) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:216) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:311) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:230) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:216) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:311) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:230) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:216) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:311) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:230) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:216) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:311) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:230) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:216) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:311) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:230) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.directive.VelocimacroProxy.render(VelocimacroProxy.java:216) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:311) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.directive.RuntimeMacro.render(RuntimeMacro.java:230) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:207) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTElseIfStatement.render(ASTElseIfStatement.java:92) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106) [velocity-1.7.jar:1.7]
at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:342) [velocity-1.7.jar:1.7]
at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:228) [xwiki-commons-velocity-5.3-20131119.080535-49.jar:na]
at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:187) [xwiki-commons-velocity-5.3-20131119.080535-49.jar:na]
at com.xpn.xwiki.render.XWikiVelocityRenderer.evaluate(XWikiVelocityRenderer.java:105) [xwiki-platform-oldcore-5.3-SNAPSHOT.jar:na]
at com.xpn.xwiki.internal.template.DefaultPrivilegedTemplateRenderer.evaluate(DefaultPrivilegedTemplateRenderer.java:125) [xwiki-platform-oldcore-5.3-SNAPSHOT.jar:na]
at com.xpn.xwiki.internal.template.DefaultPrivilegedTemplateRenderer.evaluateTemplate(DefaultPrivilegedTemplateRenderer.java:75) [xwiki-platform-oldcore-5.3-SNAPSHOT.jar:na]
at com.xpn.xwiki.XWiki.evaluateTemplate(XWiki.java:1687) [xwiki-platform-oldcore-5.3-SNAPSHOT.jar:na]
at com.xpn.xwiki.web.Utils.parseTemplate(Utils.java:166) [xwiki-platform-oldcore-5.3-SNAPSHOT.jar:na]
at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:304) [xwiki-platform-oldcore-5.3-SNAPSHOT.jar:na]
at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:129) [xwiki-platform-oldcore-5.3-SNAPSHOT.jar:na]
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425) [struts-core-1.3.10.jar:1.3.10]
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228) [struts-core-1.3.10.jar:1.3.10]
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913) [struts-core-1.3.10.jar:1.3.10]
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449) [struts-core-1.3.10.jar:1.3.10]
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:121) [xwiki-platform-oldcore-5.3-SNAPSHOT.jar:na]
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:144) [xwiki-platform-wysiwyg-server-5.3-SNAPSHOT.jar:na]
at org.eclipse.jetty.servlet.ServletHandler$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-5.3-SNAPSHOT.jar:na]
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1323) [jetty-servlet-7.4.5.v20110725.jar:7.4.5.v20110725]
at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:208) [xwiki-platform-container-servlet-5.3-SNAPSHOT.jar:na]
at org.eclipse.jetty.servlet.ServletHandler$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-5.3-SNAPSHOT.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:662) [na:1.6.0_33]
Caused by: com.xpn.xwiki.XWikiException: Error number 3301 in 3: Exception while switching to database XWiki.XWikiServerObject workspace
at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:700) ~[xwiki-platform-oldcore-5.3-SNAPSHOT.jar:na]
at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:872) ~[xwiki-platform-oldcore-5.3-SNAPSHOT.jar:na]
at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:804) ~[xwiki-platform-oldcore-5.3-SNAPSHOT.jar:na]
at com.xpn.xwiki.store.XWikiHibernateStore.loadXWikiDoc(XWikiHibernateStore.java:799) ~[xwiki-platform-oldcore-5.3-SNAPSHOT.jar:na]
... 129 common frames omitted
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown database 'XWiki.XWikiServerObject workspace'
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:1.6.0_33]
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) ~[na:1.6.0_33]
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) ~[na:1.6.0_33]
at java.lang.reflect.Constructor.newInstance(Constructor.java:513) ~[na:1.6.0_33]
at com.mysql.jdbc.Util.handleNewInstance(Util.java:411) ~[mysql-connector-java-5.1.21.jar:na]
at com.mysql.jdbc.Util.getInstance(Util.java:386) ~[mysql-connector-java-5.1.21.jar:na]
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1053) ~[mysql-connector-java-5.1.21.jar:na]
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4074) ~[mysql-connector-java-5.1.21.jar:na]
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4006) ~[mysql-connector-java-5.1.21.jar:na]
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2468) ~[mysql-connector-java-5.1.21.jar:na]
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2629) ~[mysql-connector-java-5.1.21.jar:na]
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2713) ~[mysql-connector-java-5.1.21.jar:na]
at com.mysql.jdbc.ConnectionImpl.setCatalog(ConnectionImpl.java:5146) ~[mysql-connector-java-5.1.21.jar:na]
at org.apache.commons.dbcp.DelegatingConnection.setCatalog(DelegatingConnection.java:374) ~[commons-dbcp-1.3.jar:1.3]
at org.apache.commons.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.setCatalog(PoolingDataSource.java:333) ~[commons-dbcp-1.3.jar:1.3]
at sun.reflect.GeneratedMethodAccessor120.invoke(Unknown Source) ~[na:na]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) ~[na:1.6.0_33]
at java.lang.reflect.Method.invoke(Method.java:597) ~[na:1.6.0_33]
at org.hibernate.jdbc.BorrowedConnectionProxy.invoke(BorrowedConnectionProxy.java:74) ~[hibernate-core-3.6.9.Final.jar:3.6.9.Final]
at $Proxy32.setCatalog(Unknown Source) ~[na:na]
at com.xpn.xwiki.store.XWikiHibernateBaseStore.setDatabase(XWikiHibernateBaseStore.java:690) ~[xwiki-platform-oldcore-5.3-SNAPSHOT.jar:na]
... 132 common frames omitted
Blocker