Hi all, I have attempted to import the Watch application milestone-1.0 into XWiki 1.1.2 Rev 6611 code. However, i got the error as follwed when i attempted to import it into the database via the UI. 17:27:41,000 ERROR P1-19 http://localhost:8080/xwiki/bin/import/XWiki/Import?editor=import&space… Package:installDocument:606 - Failed to save document Packager.Watch 17:27:45,828 ERROR P1-19 http://localhost:8080/xwiki/bin/import/XWiki/Import?editor=import&space… AbstractFlushingEventListener:performExecutions:299 - Could not synchronize database state with session org.hibernate.StaleStateException: Unexpected row count: 0 expected: 1 at org.hibernate.jdbc.NonBatchingBatcher.addToBatch(NonBatchingBatcher.java:27) at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2204) at org.hibernate.persister.entity.AbstractEntityPersister.updateOrInsert(AbstractEntityPersister.java:2118) at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2374) at org.hibernate.action.EntityUpdateAction.execute(EntityUpdateAction.java:84) at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:243) at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:227) at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:141) at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:296) at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27) at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1009) at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:356) at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106) at com.xpn.xwiki.store.XWikiHibernateBaseStore.endTransaction(XWikiHibernateBaseStore.java:697) at com.xpn.xwiki.store.XWikiHibernateVersioningStore.resetRCSArchive(XWikiHibernateVersioningStore.java:216) at com.xpn.xwiki.doc.XWikiDocument.resetArchive(XWikiDocument.java:3647) at com.xpn.xwiki.plugin.packaging.Package.installDocument(Package.java:601) at com.xpn.xwiki.plugin.packaging.Package.install(Package.java:525) at com.xpn.xwiki.plugin.packaging.PackageAPI.install(PackageAPI.java:197) at com.xpn.xwiki.web.ImportAction.render(ImportAction.java:89) at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:145) 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.doPost(ActionServlet.java:432) at javax.servlet.http.HttpServlet.service(HttpServlet.java:616) at javax.servlet.http.HttpServlet.service(HttpServlet.java:689) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:428) at org.mortbay.jetty.servlet.WebApplicationHandler$CachedChain.doFilter(WebApplicationHandler.java:830) at com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:117) at org.mortbay.jetty.servlet.WebApplicationHandler$CachedChain.doFilter(WebApplicationHandler.java:821) at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:471) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:568) at org.mortbay.http.HttpContext.handle(HttpContext.java:1565) at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:633) at org.mortbay.http.HttpContext.handle(HttpContext.java:1517) at org.mortbay.http.HttpServer.service(HttpServer.java:954) at org.mortbay.http.HttpConnection.service(HttpConnection.java:816) at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:983) at org.mortbay.http.HttpConnection.handle(HttpConnection.java:833) at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:244) at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:357) at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:534) 17:27:45,843 ERROR P1-19 http://localhost:8080/xwiki/bin/import/XWiki/Import?editor=import&space… Package:installDocument:606 - Failed to save document WatchCode.LoadingStatus 17:27:51,171 ERROR P1-19 http://localhost:8080/xwiki/bin/import/XWiki/Import?editor=import&space… AbstractFlushingEventListener:performExecutions:299 - Could not synchronize database state with session org.hibernate.StaleStateException: Unexpected row count: 0 expected: 1 at org.hibernate.jdbc.NonBatchingBatcher.addToBatch(NonBatchingBatcher.java:27) at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2204) at org.hibernate.persister.entity.AbstractEntityPersister.updateOrInsert(AbstractEntityPersister.java:2118) at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2374) at org.hibernate.action.EntityUpdateAction.execute(EntityUpdateAction.java:84) at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:243) at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:227) at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:141) at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:296) at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27) at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1009) at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:356) at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106) at com.xpn.xwiki.store.XWikiHibernateBaseStore.endTransaction(XWikiHibernateBaseStore.java:697) at com.xpn.xwiki.store.XWikiHibernateVersioningStore.resetRCSArchive(XWikiHibernateVersioningStore.java:216) at com.xpn.xwiki.doc.XWikiDocument.resetArchive(XWikiDocument.java:3647) at com.xpn.xwiki.plugin.packaging.Package.installDocument(Package.java:601) at com.xpn.xwiki.plugin.packaging.Package.install(Package.java:525) at com.xpn.xwiki.plugin.packaging.PackageAPI.install(PackageAPI.java:197) at com.xpn.xwiki.web.ImportAction.render(ImportAction.java:89) at com.xpn.xwiki.web.XWikiAction.execute(XWikiAction.java:145) 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.doPost(ActionServlet.java:432) at javax.servlet.http.HttpServlet.service(HttpServlet.java:616) at javax.servlet.http.HttpServlet.service(HttpServlet.java:689) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:428) at org.mortbay.jetty.servlet.WebApplicationHandler$CachedChain.doFilter(WebApplicationHandler.java:830) at com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:117) at org.mortbay.jetty.servlet.WebApplicationHandler$CachedChain.doFilter(WebApplicationHandler.java:821) at org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:471) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:568) at org.mortbay.http.HttpContext.handle(HttpContext.java:1565) at org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:633) at org.mortbay.http.HttpContext.handle(HttpContext.java:1517) at org.mortbay.http.HttpServer.service(HttpServer.java:954) at org.mortbay.http.HttpConnection.service(HttpConnection.java:816) at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:983) at org.mortbay.http.HttpConnection.handle(HttpConnection.java:833) at org.mortbay.http.SocketListener.handleConnection(SocketListener.java:244) at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:357) at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:534) 17:27:51,171 ERROR P1-19 http://localhost:8080/xwiki/bin/import/XWiki/Import?editor=import&space… Package:installDocument:606 - Failed to save document XWiki.Results 17:27:51,765 ERROR P1-19 http://localhost:8080/xwiki/bin/import/XWiki/Import?editor=import&space… SimpleLog4JLogSystem:logVelocityMessage:154 - Left side ($request.withversions) of '==' operation has null value. If a reference, it may not be in the context. Operation not possible. [line 16, column 73] Most of the time, the files that failed to import are Packager.Watch, WatchCode.LoadingStatus and XWiki.Results document. May i know what causes these errors to happen? Regards, Colin __________________________________________________________________ Yahoo! Singapore Answers Real people. Real questions. Real answers. Share what you know at http://answers.yahoo.com.sg