Our Environment - Oracle 9.0.2 database, with Oracle 10g JDBC Thin drivers; Running in Tomcat (4.1.31)

Used both the schema from the attachment in the 'oracle' page of www.xwiki.org/xwiki/bin/view/AdminGuide/Oracle and also generated the schema using Hibernate hbm2ddl (Oracle Dialect).  I am unable to get this deployed with Oracle database.

1. Can someone in the list, who has success with Oracle + Xwiki (at least past where I am at), send a hibernate mapping file (xwiki.hbm.xml) that worked for Oracle?
2. In addition to the steps outlined in the page above, are there any other steps needed to get it working on Oracle?  Can this be done with reasonable config/code/db changes?
Any pointers to debugging this further are much appreciated.
Here is the problem I am currently facing.
When I point my browser to the xwiki main page (out of the box), I get the StaleObjectStateException exception while saving 'multilingual' preference.

09:55:09,975 DEBUG http-8080-Processor5 <http://nh120099:8080/xwiki/bin/view/Main/WebHome > Printer:toString:83 - listing e
ntities:
09:55:09,975 DEBUG http-8080-Processor5 <http://nh120099:8080/xwiki/bin/view/Main/WebHome > Printer:toString:90 - com.xpn.x
wiki.objects.classes.BooleanClass{prettyName=Multi-Lingual , displayType=yesno, unmodifiable=false, classType=com.xpn.xwi
ki.objects.classes.BooleanClass, number=1}
09:55:09,975 DEBUG http-8080-Processor5 < http://nh120099:8080/xwiki/bin/view/Main/WebHome > AbstractFlushingEventListener:p
erformExecutions:267 - executing flush
09:55:09,991 DEBUG http-8080-Processor5 < http://nh120099:8080/xwiki/bin/view/Main/WebHome > BasicEntityPersister:delete:201
7 - Deleting entity: [com.xpn.xwiki.objects.classes.BooleanClass#component[id,name]{name=multilingual, id=104408758}]
09:55:09,991 DEBUG http-8080-Processor5 < http://nh120099:8080/xwiki/bin/view/Main/WebHome> AbstractBatcher:logOpenPrepared
Statement:277 - about to open PreparedStatement (open PreparedStatements: 0, globally: 1)
09:55:09,991 DEBUG http-8080-Processor5 < http://nh120099:8080/xwiki/bin/view/Main/WebHome> SQL:log:311 - delete from xwiki
booleanclasses where XWN_ID=? and XWN_NAME=?
Hibernate: delete from xwikibooleanclasses where XWN_ID=? and XWN_NAME=?
09:55:09,991 DEBUG http-8080-Processor5 <http://nh120099:8080/xwiki/bin/view/Main/WebHome > AbstractBatcher:getPreparedStat
ement:365 - preparing statement
09:55:10,053 DEBUG http-8080-Processor5 <http://nh120099:8080/xwiki/bin/view/Main/WebHome > IntegerType:nullSafeSet:59 - bi
nding '104408758' to parameter: 1
09:55:10,053 DEBUG http-8080-Processor5 <http://nh120099:8080/xwiki/bin/view/Main/WebHome > StringType:nullSafeSet:59 - bin
ding 'multilingual' to parameter: 2
09:55:10,116 DEBUG http-8080-Processor5 <http://nh120099:8080/xwiki/bin/view/Main/WebHome > AbstractBatcher:logClosePrepare
dStatement:285 - about to close PreparedStatement (open PreparedStatements: 1, globally: 2)
09:55:10,131 DEBUG http-8080-Processor5 <http://nh120099:8080/xwiki/bin/view/Main/WebHome > AbstractBatcher:closePreparedSt
atement:403 - closing statement
09:55:10,147 ERROR http-8080-Processor5 <http://nh120099:8080/xwiki/bin/view/Main/WebHome > AbstractFlushingEventListener:p
erformExecutions:277 - Could not synchronize database state with session
org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction (or unsaved-value mapping was
incorrect): [com.xpn.xwiki.objects.classes.BooleanClass#<?xml version="1.0" encoding="UTF-8"?>
        <multilingual>
        <name>multilingual</name>
        <prettyName>Multi-Lingual</prettyName>
        <unmodifiable>0</unmodifiable>
        <displayType>yesno</displayType>
        <number>1</number>
        <classType>com.xpn.xwiki.objects.classes.BooleanClass</classType>
        </multilingual>
        ]
        at org.hibernate.persister.entity.BasicEntityPersister.check (BasicEntityPersister.java:1431)
        at org.hibernate.persister.entity.BasicEntityPersister.delete(BasicEntityPersister.java:2062)
        at org.hibernate.persister.entity.BasicEntityPersister.delete(BasicEntityPersister.java :2203)
        at org.hibernate.action.EntityDeleteAction.execute(EntityDeleteAction.java:59)
        at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:239)
        at org.hibernate.engine.ActionQueue.executeActions (ActionQueue.java:223)
        at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:141)
        at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java :27
        4)
        at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)
        at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:726)
        at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiClassProperty (XWikiHibernateStore.java:1288)
        at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiClass(XWikiHibernateStore.java:1165)
        at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiDoc(XWikiHibernateStore.java :517)
        at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiDoc(XWikiHibernateStore.java:557)
        at com.xpn.xwiki.store.XWikiCacheStore.saveXWikiDoc(XWikiCacheStore.java:77)
        at com.xpn.xwiki.XWiki.saveDocument (XWiki.java:556)
        at com.xpn.xwiki.XWiki.getPrefsClass(XWiki.java:1418)
        at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:405)
        at com.xpn.xwiki.XWiki.<init>(XWiki.java:343)
        at com.xpn.xwiki.XWiki.getMainXWiki (XWiki.java:134)
        at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:202)
        at com.xpn.xwiki.web.ViewEditAction.execute(ViewEditAction.java:117)
        at org.apache.struts.action.RequestProcessor.processActionPerform (RequestProcessor.java:421)
        at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226)
        at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
        at org.apache.struts.action.ActionServlet.doGet (ActionServlet.java:397)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:696)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:809)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:200)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146)
        at com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java :127)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:166)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:209)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
        at org.apache.catalina.core.StandardContextValve.invoke (StandardContextValve.java:144)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java :433)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
        at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2358)
        at org.apache.catalina.core.StandardHostValve.invoke (StandardHostValve.java:133)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
        at org.apache.catalina.valves.ErrorDispatcherValve.invoke ( ErrorDispatcherValve.java:118)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java :116)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:127)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext (StandardPipeline.java:596)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
        at org.apache.coyote.tomcat4.CoyoteAdapter.service (CoyoteAdapter.java:152)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java :705)
        at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
        at java.lang.Thread.run (Thread.java:534)
        09:55:10,147 DEBUG http-8080-Processor5 <http://nh120099:8080/xwiki/bin/view/Main/WebHome > XWikiException:<init>:175 - Err
        or number 3222 in 3: Exception while saving class XWiki.XWikiPreferences
        Wrapped Exception: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [com.xpn.
        xwiki.objects.classes.BooleanClass#<?xml version="1.0" encoding="UTF-8"?>
        <multilingual>
        <name>multilingual</name>
        <prettyName>Multi-Lingual</prettyName>
        <unmodifiable>0</unmodifiable>
        <displayType>yesno</displayType>
        <number>1</number>
        <classType> com.xpn.xwiki.objects.classes.BooleanClass</classType>
        </multilingual>
        ]
        org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction (or unsaved-value mapping was
        incorrect): [com.xpn.xwiki.objects.classes.BooleanClass#<?xml version="1.0" encoding="UTF-8"?>
        <multilingual>
        <name>multilingual</name>
        <prettyName>Multi-Lingual</prettyName>
        <unmodifiable>0</unmodifiable>
        <displayType>yesno</displayType>
        <number>1</number>
        <classType>com.xpn.xwiki.objects.classes.BooleanClass </classType>
        </multilingual>
        ]
        at org.hibernate.persister.entity.BasicEntityPersister.check(BasicEntityPersister.java:1431)
        at org.hibernate.persister.entity.BasicEntityPersister.delete (BasicEntityPersister.java:2062)
        at org.hibernate.persister.entity.BasicEntityPersister.delete(BasicEntityPersister.java:2203)
        at org.hibernate.action.EntityDeleteAction.execute(EntityDeleteAction.java :59)
        at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:239)
        at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:223)
        at org.hibernate.engine.ActionQueue.executeActions (ActionQueue.java:141)
        at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:27
        4)
        at org.hibernate.event.def.DefaultFlushEventListener.onFlush (DefaultFlushEventListener.java:27)
        at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:726)
        at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiClassProperty(XWikiHibernateStore.java:1288)
        at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiClass(XWikiHibernateStore.java:1165)
        at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiDoc(XWikiHibernateStore.java:517)
        at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiDoc (XWikiHibernateStore.java:557)
        at com.xpn.xwiki.store.XWikiCacheStore.saveXWikiDoc(XWikiCacheStore.java:77)
        at com.xpn.xwiki.XWiki.saveDocument(XWiki.java:556)
        at com.xpn.xwiki.XWiki.getPrefsClass (XWiki.java:1418)
        at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:405)
        at com.xpn.xwiki.XWiki.<init>(XWiki.java:343)
        at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:134)
        at com.xpn.xwiki.XWiki.getXWiki (XWiki.java:202)
        at com.xpn.xwiki.web.ViewEditAction.execute(ViewEditAction.java:117)
        at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421)
        at org.apache.struts.action.RequestProcessor.process (RequestProcessor.java:226)
        at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
        at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
        at javax.servlet.http.HttpServlet.service (HttpServlet.java:696)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:809)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:200)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146)
        at com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:127)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:166)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java :209)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:144)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext (StandardPipeline.java:596)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
        at org.apache.catalina.core.StandardContext.invoke (StandardContext.java:2358)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:133)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java :596)
        at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:118)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java :594)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:116)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
        at org.apache.catalina.core.StandardEngineValve.invoke (StandardEngineValve.java:127)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java :433)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
        at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:152)
        at org.apache.coyote.http11.Http11Processor.process (Http11Processor.java:799)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
        at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java :577)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
        at java.lang.Thread.run(Thread.java:534)
        09:55:10,162 DEBUG http-8080-Processor5 < http://nh120099:8080/xwiki/bin/view/Main/WebHome> XWikiException:<init>:175 - Err
        or number 3221 in 3: Exception while saving class XWiki.XWikiPreferences
        Wrapped Exception: Error number 3222 in 3: Exception while saving class XWiki.XWikiPreferences
        Wrapped Exception: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [com.xpn.
        xwiki.objects.classes.BooleanClass#<?xml version="1.0" encoding="UTF-8"?>
        <multilingual>
        <name>multilingual</name>
        <prettyName>Multi-Lingual</prettyName>
        <unmodifiable>0</unmodifiable>
        <displayType>yesno</displayType>
        <number>1</number>
        <classType> com.xpn.xwiki.objects.classes.BooleanClass</classType>
        </multilingual>
        ]
        com.xpn.xwiki.XWikiException: Error number 3222 in 3: Exception while saving class XWiki.XWikiPreferences
        Wrapped Exception: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [com.xpn.
        xwiki.objects.classes.BooleanClass#<?xml version="1.0" encoding="UTF-8"?>
        <multilingual>
        <name>multilingual</name>
        <prettyName>Multi-Lingual</prettyName>
        <unmodifiable>0</unmodifiable>
        <displayType>yesno</displayType>
        <number>1</number>
        <classType> com.xpn.xwiki.objects.classes.BooleanClass</classType>
        </multilingual>
        ]
        at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiClassProperty(XWikiHibernateStore.java:1304)
        at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiClass(XWikiHibernateStore.java:1165)
        at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiDoc(XWikiHibernateStore.java:517)
        at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiDoc (XWikiHibernateStore.java:557)
        at com.xpn.xwiki.store.XWikiCacheStore.saveXWikiDoc(XWikiCacheStore.java:77)
        at com.xpn.xwiki.XWiki.saveDocument(XWiki.java:556)
        at com.xpn.xwiki.XWiki.getPrefsClass (XWiki.java:1418)
        at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:405)
        at com.xpn.xwiki.XWiki.<init>(XWiki.java:343)
        at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:134)
        at com.xpn.xwiki.XWiki.getXWiki (XWiki.java:202)
        at com.xpn.xwiki.web.ViewEditAction.execute(ViewEditAction.java:117)
        at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421)
        at org.apache.struts.action.RequestProcessor.process (RequestProcessor.java:226)
        at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
        at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
        at javax.servlet.http.HttpServlet.service (HttpServlet.java:696)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:809)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:200)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146)
        at com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:127)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:166)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java :209)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:144)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext (StandardPipeline.java:596)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
        at org.apache.catalina.core.StandardContext.invoke (StandardContext.java:2358)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:133)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java :596)
        at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:118)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java :594)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:116)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
        at org.apache.catalina.core.StandardEngineValve.invoke (StandardEngineValve.java:127)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java :433)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
        at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:152)
        at org.apache.coyote.http11.Http11Processor.process (Http11Processor.java:799)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
        at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java :577)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
        at java.lang.Thread.run(Thread.java:534)

        Wrapped Exception:

        org.hibernate.StaleObjectStateException : Row was updated or deleted by another transaction (or unsaved-value mapping was
        incorrect): [com.xpn.xwiki.objects.classes.BooleanClass#<?xml version="1.0" encoding="UTF-8"?>
        <multilingual>
        <name>multilingual</name>
        <prettyName>Multi-Lingual</prettyName>
        <unmodifiable>0</unmodifiable>
        <displayType>yesno</displayType>
        <number>1</number>
        <classType>com.xpn.xwiki.objects.classes.BooleanClass</classType>
        </multilingual>
        ]
        at org.hibernate.persister.entity.BasicEntityPersister.check (BasicEntityPersister.java:1431)
        at org.hibernate.persister.entity.BasicEntityPersister.delete(BasicEntityPersister.java:2062)
        at org.hibernate.persister.entity.BasicEntityPersister.delete(BasicEntityPersister.java :2203)
        at org.hibernate.action.EntityDeleteAction.execute(EntityDeleteAction.java:59)
        at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:239)
        at org.hibernate.engine.ActionQueue.executeActions (ActionQueue.java:223)
        at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:141)
        at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java :27
        4)
        at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)
        at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:726)
        at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiClassProperty (XWikiHibernateStore.java:1288)
        at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiClass(XWikiHibernateStore.java:1165)
        at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiDoc(XWikiHibernateStore.java :517)
        at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiDoc(XWikiHibernateStore.java:557)
        at com.xpn.xwiki.store.XWikiCacheStore.saveXWikiDoc(XWikiCacheStore.java:77)
        at com.xpn.xwiki.XWiki.saveDocument (XWiki.java:556)
        at com.xpn.xwiki.XWiki.getPrefsClass(XWiki.java:1418)
        at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:405)
        at com.xpn.xwiki.XWiki.<init>(XWiki.java:343)
        at com.xpn.xwiki.XWiki.getMainXWiki (XWiki.java:134)
        at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:202)
        at com.xpn.xwiki.web.ViewEditAction.execute(ViewEditAction.java:117)
        at org.apache.struts.action.RequestProcessor.processActionPerform (RequestProcessor.java:421)
        at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226)
        at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
        at org.apache.struts.action.ActionServlet.doGet (ActionServlet.java:397)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:696)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:809)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:200)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146)
        at com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java :127)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:166)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:209)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
        at org.apache.catalina.core.StandardContextValve.invoke (StandardContextValve.java:144)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java :433)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
        at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2358)
        at org.apache.catalina.core.StandardHostValve.invoke (StandardHostValve.java:133)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
        at org.apache.catalina.valves.ErrorDispatcherValve.invoke ( ErrorDispatcherValve.java:118)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java :116)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:127)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext (StandardPipeline.java:596)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
        at org.apache.coyote.tomcat4.CoyoteAdapter.service (CoyoteAdapter.java:152)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java :705)
        at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
        at java.lang.Thread.run (Thread.java:534)
        09:55:10,240 DEBUG http-8080-Processor5 <http://nh120099:8080/xwiki/bin/view/Main/WebHome > XWikiException:<init>:175 - Err
        or number 3201 in 3: Exception while saving document XWiki.XWikiPreferences
        Wrapped Exception: Error number 3221 in 3: Exception while saving class XWiki.XWikiPreferences
        Wrapped Exception: Error number 3222 in 3: Exception while saving class XWiki.XWikiPreferences
        Wrapped Exception: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [com.xpn.
        xwiki.objects.classes.BooleanClass#<?xml version="1.0" encoding="UTF-8"?>
        <multilingual>
        <name>multilingual</name>
        <prettyName>Multi-Lingual</prettyName>
        <unmodifiable>0</unmodifiable>
        <displayType>yesno</displayType>
        <number>1</number>
        <classType> com.xpn.xwiki.objects.classes.BooleanClass</classType>
        </multilingual>
        ]
        com.xpn.xwiki.XWikiException: Error number 3221 in 3: Exception while saving class XWiki.XWikiPreferences
        Wrapped Exception: Error number 3222 in 3: Exception while saving class XWiki.XWikiPreferences
        Wrapped Exception: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [com.xpn.
        xwiki.objects.classes.BooleanClass#<?xml version="1.0" encoding="UTF-8"?>
        <multilingual>
        <name>multilingual</name>
        <prettyName>Multi-Lingual</prettyName>
        <unmodifiable>0</unmodifiable>
        <displayType>yesno</displayType>
        <number>1</number>
        <classType> com.xpn.xwiki.objects.classes.BooleanClass</classType>
        </multilingual>
        ]
        at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiClass(XWikiHibernateStore.java:1173)
        at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiDoc(XWikiHibernateStore.java:517)
        at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiDoc(XWikiHibernateStore.java:557)
        at com.xpn.xwiki.store.XWikiCacheStore.saveXWikiDoc (XWikiCacheStore.java:77)
        at com.xpn.xwiki.XWiki.saveDocument(XWiki.java:556)
        at com.xpn.xwiki.XWiki.getPrefsClass(XWiki.java:1418)
        at com.xpn.xwiki.XWiki.initXWiki(XWiki.java:405)
        at com.xpn.xwiki.XWiki.<init>(XWiki.java:343)
        at com.xpn.xwiki.XWiki.getMainXWiki(XWiki.java:134)
        at com.xpn.xwiki.XWiki.getXWiki(XWiki.java:202)
        at com.xpn.xwiki.web.ViewEditAction.execute (ViewEditAction.java:117)
        at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:421)
        at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:226)
        at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
        at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java :696)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:809)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:200)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:146)
        at com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:127)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java :166)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:209)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
        at org.apache.catalina.core.ContainerBase.invoke (ContainerBase.java:948)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:144)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java :596)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
        at org.apache.catalina.core.StandardContext.invoke (StandardContext.java:2358)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:133)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java :596)
        at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:118)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java :594)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:116)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
        at org.apache.catalina.core.StandardEngineValve.invoke (StandardEngineValve.java:127)
        at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java :433)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)
        at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:152)
        at org.apache.coyote.http11.Http11Processor.process (Http11Processor.java:799)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
        at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java :577)
        at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
        at java.lang.Thread.run(Thread.java:534)
        ======================

        Please let me know if you need further information.
        Thanks in advance,
        Srini