Upgrade of xwiki-enterprise to 3.2 fails

Upgrade to xwiki-enterprise-web-3.2.war from 3.0 or 3.1.1 fails. Tomcat is starting, but after opening xwiki in web browser I get many errors in catalina.out

2011-10-31 20:46:01,471 https://..../xwiki/bin/view/Main/WebHome ERROR o.h.u.JDBCExceptionReporter - Bad value for type long : <?xml version="1.0" encoding="UTF-8"?>
<xwikidoc>
<web>Scheduler</web>
<name>WatchListJob2</name>
<language></language>
<defaultLanguage></defaultLanguage>
<translation>0</translation>
<parent>XWiki.XWikiClasses</parent>
<creator>XWiki.Admin</creator>
[...]

2011-10-31 20:46:03,178 https://..../xwiki/bin/view/Main/WebHome WARN o.a.s.a.RequestProcessor - Unhandled Exception thrown: class com.xpn.xwiki.XWikiException
Oct 31, 2011 8:46:03 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet action threw exception
com.xpn.xwiki.XWikiException: Error number 3 in 0: Could not initialize main XWiki context
Wrapped Exception: Error number 3201 in 3: Exception while saving document xwiki:XWiki.XWikiUsers
Wrapped Exception: Error number 3211 in 3: Exception while updating archive XWiki.XWikiUsers
Wrapped Exception: Error number 0 in 3: Exception while hibernate execute
Wrapped Exception: could not load an entity: [com.xpn.xwiki.doc.rcs.XWikiRCSNodeContent#component[docId,version1,version2]

{docId=495778886, version2=1, version1=4}]
at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:422)
at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:491)
at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:136)
at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:116)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:128)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:144)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:68)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:217)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:228)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:216)
at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190)
at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283)
at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:767)
at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:697)
at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:889)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:686)
at java.lang.Thread.run(Thread.java:662)

Wrapped Exception:

com.xpn.xwiki.XWikiException: Error number 3201 in 3: Exception while saving document xwiki:XWiki.XWikiUsers
Wrapped Exception: Error number 3211 in 3: Exception while updating archive XWiki.XWikiUsers
Wrapped Exception: Error number 0 in 3: Exception while hibernate execute
Wrapped Exception: could not load an entity: [com.xpn.xwiki.doc.rcs.XWikiRCSNodeContent#component[docId,version1,version2]{docId=495778886, version2=1, version1=4}

]
at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiDoc(XWikiHibernateStore.java:690)
at com.xpn.xwiki.store.XWikiCacheStore.saveXWikiDoc(XWikiCacheStore.java:174)
at com.xpn.xwiki.store.XWikiCacheStore.saveXWikiDoc(XWikiCacheStore.java:167)
at com.xpn.xwiki.XWiki.saveDocument(XWiki.java:1406)
at com.xpn.xwiki.XWiki.saveDocument(XWiki.java:1362)
at com.xpn.xwiki.XWiki.saveDocument(XWiki.java:1357)
at com.xpn.xwiki.XWiki.getUserClass(XWiki.java:3078)
at com.xpn.xwiki.XWiki.initializeMandatoryClasses(XWiki.java:843)
at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:817)
at com.xpn.xwiki.XWiki.<init>(XWiki.java:743)
at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:405)
at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:491)
at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:136)
at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:116)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.xpn.xwiki.web.ActionFilter.doFilter(ActionFilter.java:128)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.xwiki.wysiwyg.server.filter.ConversionFilter.doFilter(ConversionFilter.java:144)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.xpn.xwiki.plugin.webdav.XWikiDavFilter.doFilter(XWikiDavFilter.java:68)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.doFilter(SavedRequestRestorerFilter.java:217)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.xwiki.container.servlet.filters.internal.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:228)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
[...]
Wrapped Exception:

com.xpn.xwiki.XWikiException: Error number 0 in 3: Exception while hibernate execute
Wrapped Exception: could not load an entity: [com.xpn.xwiki.doc.rcs.XWikiRCSNodeContent#component[docId,version1,version2]

{docId=495778886, version2=1, version1=4}

]
at com.xpn.xwiki.store.XWikiHibernateBaseStore.execute(XWikiHibernateBaseStore.java:1097)
at com.xpn.xwiki.store.XWikiHibernateBaseStore.executeRead(XWikiHibernateBaseStore.java:1127)
at com.xpn.xwiki.store.XWikiHibernateVersioningStore.loadRCSNodeContent(XWikiHibernateVersioningStore.java:298)
at com.xpn.xwiki.doc.rcs.XWikiRCSNodeInfo.getContent(XWikiRCSNodeInfo.java:175)
at com.xpn.xwiki.doc.XWikiDocumentArchive.makePatch(XWikiDocumentArchive.java:138)
at com.xpn.xwiki.doc.XWikiDocumentArchive.updateArchive(XWikiDocumentArchive.java:254)
at com.xpn.xwiki.store.XWikiHibernateVersioningStore.updateXWikiDocArchive(XWikiHibernateVersioningStore.java:254)
at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiDoc(XWikiHibernateStore.java:483)
at com.xpn.xwiki.store.XWikiCacheStore.saveXWikiDoc(XWikiCacheStore.java:174)
at com.xpn.xwiki.store.XWikiCacheStore.saveXWikiDoc(XWikiCacheStore.java:167)
at com.xpn.xwiki.XWiki.saveDocument(XWiki.java:1406)
at com.xpn.xwiki.XWiki.saveDocument(XWiki.java:1362)
at com.xpn.xwiki.XWiki.saveDocument(XWiki.java:1357)
at com.xpn.xwiki.XWiki.getUserClass(XWiki.java:3078)
at com.xpn.xwiki.XWiki.initializeMandatoryClasses(XWiki.java:843)
at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:817)
at com.xpn.xwiki.XWiki.<init>(XWiki.java:743)
at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:405)
at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:491)
[...]
Wrapped Exception:

org.postgresql.util.PSQLException: Bad value for type long : <?xml version="1.0" encoding="UTF-8"?>
<xwikidoc>
<web>XWiki</web>
<name>XWikiUsers</name>
<language></language>
<defaultLanguage>en</defaultLanguage>
<translation>1</translation>
<parent>XWiki.WebHome</parent>
<creator>XWiki.Admin</creator>
<author>XWiki.Admin</author>
<customClass></customClass>

TIA,

R.