I've attached a zip archive that contains some files that may help you get up and running with Oracle. My stuff does not give a 100% solution - there are still some issues with attachments. You'll find these files in the zip: * xwiki-db_ora_tab.sql - script to create Oracle schema * hibernate.cfg.xml - hibernate config (I'm using the Oracle OCI JDBC driver because the thin driver apparently has some size issues with LOBS) * xwiki.hbm.xml - hibernate mapping (I'm using a custom type for nulls/empty string conversion) * String2.java - hibernate custom type I wrote a small program to read the data from the MySQL seed database to the Oracle schema. I hope this helps. Regards, John _____ From: Srinivasa Pulugurtha [mailto:[email protected]] Sent: Wednesday, 1 March 2006 9:13 AM To: [email protected] Subject: [xwiki-users] New XWiki installation with Oracle Hi All. I have recently downloaded and installed xwiki on mysql. It was so smooth and impressive, we wanted to use it enterprise wide and need to get it working with Oracle for that. So, far I haven't been able to deploy it properly. 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 <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 <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> 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> http://nh120099:8080/xwiki/bin/view/Main/WebHome > BasicEntityPersister:delete:201 7 - Deleting entity: [com.xpn.xwiki.objects.classes.BooleanClass#component[id,name]{name=mult ilingual, id=104408758}] 09:55:09,991 DEBUG http-8080-Processor5 < <http://nh120099:8080/xwiki/bin/view/Main/WebHome> 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 <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 <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 <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 <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 <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 <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(BasicEntityPe rsister.java:2062) at org.hibernate.persister.entity.BasicEntityPersister.delete(BasicEntityPe rsister.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(DefaultFlushEv entListener.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(XWikiHibernateSto re.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(ApplicationFilt erChain.java:146) at com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodi ngFilter.java :127) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica tionFilterChain.java:166) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt erChain.java:146) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValv e.java:209) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext(StandardPipeline.java:596) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4 33) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948) at org.apache.catalina.core.StandardContextValve.invoke (StandardContextValve.java:144) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext(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:235 8) at org.apache.catalina.core.StandardHostValve.invoke (StandardHostValve.java:133) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext(StandardPipeline.java:596) at org.apache.catalina.valves.ErrorDispatcherValve.invoke ( ErrorDispatcherValve.java:118) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext(StandardPipeline.java:594) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java :116) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext(StandardPipeline.java:594) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4 33) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve. java:127) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext (StandardPipeline.java:596) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4 33) 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:79 9) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processC onnection(Http11Protocol.java :705) at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:57 7) at org.apache.tomcat.util.threads.ThreadPool$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 <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(BasicEntityPer sister.java:1431) at org.hibernate.persister.entity.BasicEntityPersister.delete (BasicEntityPersister.java:2062) at org.hibernate.persister.entity.BasicEntityPersister.delete(BasicEntityPe rsister.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(XWikiHibe rnateStore.java:1288) at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiClass(XWikiHibernateSto re.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(RequestPr ocessor.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(Applica tionFilterChain.java:200) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt erChain.java:146) at com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodi ngFilter.java:127) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:166) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt erChain.java:146) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValv e.java :209) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext(StandardPipeline.java:596) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4 33) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValv e.java:144) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext (StandardPipeline.java:596) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4 33) 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$StandardPipelineValveContext.i nvokeNext(StandardPipeline.java :596) at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherVa lve.java:118) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext(StandardPipeline.java :594) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java :116) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext(StandardPipeline.java:594) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4 33) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948) at org.apache.catalina.core.StandardEngineValve.invoke (StandardEngineValve.java:127) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext(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$Http11ConnectionHandler.processC onnection(Http11Protocol.java:705) at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java :577) at org.apache.tomcat.util.threads.ThreadPool$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> 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(XWikiHibe rnateStore.java:1304) at com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiClass(XWikiHibernateSto re.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(RequestPr ocessor.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(Applica tionFilterChain.java:200) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt erChain.java:146) at com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodi ngFilter.java:127) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:166) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt erChain.java:146) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValv e.java :209) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext(StandardPipeline.java:596) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4 33) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValv e.java:144) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext (StandardPipeline.java:596) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4 33) 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$StandardPipelineValveContext.i nvokeNext(StandardPipeline.java :596) at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherVa lve.java:118) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext(StandardPipeline.java :594) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java :116) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext(StandardPipeline.java:594) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4 33) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948) at org.apache.catalina.core.StandardEngineValve.invoke (StandardEngineValve.java:127) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext(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$Http11ConnectionHandler.processC onnection(Http11Protocol.java:705) at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java :577) at org.apache.tomcat.util.threads.ThreadPool$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(BasicEntityPe rsister.java:2062) at org.hibernate.persister.entity.BasicEntityPersister.delete(BasicEntityPe rsister.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(DefaultFlushEv entListener.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(XWikiHibernateSto re.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(ApplicationFilt erChain.java:146) at com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodi ngFilter.java :127) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica tionFilterChain.java:166) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt erChain.java:146) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValv e.java:209) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext(StandardPipeline.java:596) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4 33) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948) at org.apache.catalina.core.StandardContextValve.invoke (StandardContextValve.java:144) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext(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:235 8) at org.apache.catalina.core.StandardHostValve.invoke (StandardHostValve.java:133) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext(StandardPipeline.java:596) at org.apache.catalina.valves.ErrorDispatcherValve.invoke ( ErrorDispatcherValve.java:118) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext(StandardPipeline.java:594) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java :116) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext(StandardPipeline.java:594) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4 33) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve. java:127) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext (StandardPipeline.java:596) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4 33) 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:79 9) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processC onnection(Http11Protocol.java :705) at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:57 7) at org.apache.tomcat.util.threads.ThreadPool$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 <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(XWikiHibernateSto re.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(RequestPr ocessor.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(Applica tionFilterChain.java:200) at org.apache.catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:146) at com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodi ngFilter.java:127) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica tionFilterChain.java :166) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt erChain.java:146) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValv e.java:209) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext(StandardPipeline.java:596) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4 33) at org.apache.catalina.core.ContainerBase.invoke (ContainerBase.java:948) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValv e.java:144) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext(StandardPipeline.java :596) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4 33) 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$StandardPipelineValveContext.i nvokeNext(StandardPipeline.java :596) at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherVa lve.java:118) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext(StandardPipeline.java :594) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java :116) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext(StandardPipeline.java:594) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4 33) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948) at org.apache.catalina.core.StandardEngineValve.invoke (StandardEngineValve.java:127) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.i nvokeNext(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$Http11ConnectionHandler.processC onnection(Http11Protocol.java:705) at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java :577) at org.apache.tomcat.util.threads.ThreadPool$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