All, This is the full stacktrace: 10:24:09,221 ERROR http-8080-Processor23 http://localhost:8080/uso/bin/view/Principal/Categorias AbstractFlushingEventListener:performExecutions:277 - Could not synchronize database state with session org.hibernate.HibernateException: Unexpected row count: 0 expected: 1 at org.hibernate.jdbc.NonBatchingBatcher.addToBatch(NonBatchingBatcher.j ava:32) at org.hibernate.persister.entity.BasicEntityPersister.delete(BasicEntit yPersister.java:2059) at org.hibernate.persister.entity.BasicEntityPersister.delete(BasicEntit yPersister.java:2203) at org.hibernate.action.EntityDeleteAction.execute(EntityDeleteAction.ja va: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.performExecutio ns(AbstractFlushingEventListener.java:274) at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlus hEventListener.java:27) at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:726) at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:320) at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java :86) at com.xpn.xwiki.store.XWikiHibernateStore.endTransaction(XWikiHibernate Store.java:342) at com.xpn.xwiki.store.XWikiHibernateStore.deleteXWikiCollection(XWikiHi bernateStore.java:974) at com.xpn.xwiki.stats.impl.XWikiStatsServiceImpl.notify(XWikiStatsServi ceImpl.java:205) at com.xpn.xwiki.notify.XWikiActionRule.verify(XWikiActionRule.java:51) at com.xpn.xwiki.notify.XWikiNotificationManager.verify(XWikiNotificatio nManager.java:93) at com.xpn.xwiki.web.ViewEditAction.execute(ViewEditAction.java:265) at org.apache.struts.action.RequestProcessor.processActionPerform(Reques tProcessor.java:421) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.ja va:226) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:116 4) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397) at javax.servlet.http.HttpServlet.service(HttpServlet.java:689) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl icationFilterChain.java:237) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF ilterChain.java:157) at com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEnc odingFilter.java:127) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl icationFilterChain.java:186) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF ilterChain.java:157) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV alve.java:214) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv eContext.java:104) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav a:520) at org.apache.catalina.core.StandardContextValve.invokeInternal(Standard ContextValve.java:198) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV alve.java:152) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv eContext.java:104) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav a:520) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j ava:137) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv eContext.java:104) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j ava:118) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv eContext.java:102) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav a:520) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal ve.java:109) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv eContext.java:104) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav a:520) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929) at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:16 0) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java :799) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.proce ssConnection(Http11Protocol.java:705) at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java :577) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadP ool.java:683) at java.lang.Thread.run(Thread.java:534) com.xpn.xwiki.XWikiException: Error number 3213 in 3: Exception while deleting o bject XWiki.superadmin Wrapped Exception: Unexpected row count: 0 expected: 1 at com.xpn.xwiki.store.XWikiHibernateStore.deleteXWikiCollection(XWikiHi bernateStore.java:978) at com.xpn.xwiki.stats.impl.XWikiStatsServiceImpl.notify(XWikiStatsServi ceImpl.java:205) at com.xpn.xwiki.notify.XWikiActionRule.verify(XWikiActionRule.java:51) at com.xpn.xwiki.notify.XWikiNotificationManager.verify(XWikiNotificatio nManager.java:93) at com.xpn.xwiki.web.ViewEditAction.execute(ViewEditAction.java:265) at org.apache.struts.action.RequestProcessor.processActionPerform(Reques tProcessor.java:421) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.ja va:226) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:116 4) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397) at javax.servlet.http.HttpServlet.service(HttpServlet.java:689) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl icationFilterChain.java:237) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF ilterChain.java:157) at com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEnc odingFilter.java:127) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl icationFilterChain.java:186) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF ilterChain.java:157) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV alve.java:214) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv eContext.java:104) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav a:520) at org.apache.catalina.core.StandardContextValve.invokeInternal(Standard ContextValve.java:198) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV alve.java:152) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv eContext.java:104) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav a:520) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j ava:137) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv eContext.java:104) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j ava:118) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv eContext.java:102) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav a:520) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal ve.java:109) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv eContext.java:104) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav a:520) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929) at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:16 0) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java :799) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.proce ssConnection(Http11Protocol.java:705) at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java :577) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadP ool.java:683) at java.lang.Thread.run(Thread.java:534) Wrapped Exception: org.hibernate.HibernateException: Unexpected row count: 0 expected: 1 at org.hibernate.jdbc.NonBatchingBatcher.addToBatch(NonBatchingBatcher.j ava:32) at org.hibernate.persister.entity.BasicEntityPersister.delete(BasicEntit yPersister.java:2059) at org.hibernate.persister.entity.BasicEntityPersister.delete(BasicEntit yPersister.java:2203) at org.hibernate.action.EntityDeleteAction.execute(EntityDeleteAction.ja va: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.performExecutio ns(AbstractFlushingEventListener.java:274) at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlus hEventListener.java:27) at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:726) at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:320) at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java :86) at com.xpn.xwiki.store.XWikiHibernateStore.endTransaction(XWikiHibernate Store.java:342) at com.xpn.xwiki.store.XWikiHibernateStore.deleteXWikiCollection(XWikiHi bernateStore.java:974) at com.xpn.xwiki.stats.impl.XWikiStatsServiceImpl.notify(XWikiStatsServi ceImpl.java:205) at com.xpn.xwiki.notify.XWikiActionRule.verify(XWikiActionRule.java:51) at com.xpn.xwiki.notify.XWikiNotificationManager.verify(XWikiNotificatio nManager.java:93) at com.xpn.xwiki.web.ViewEditAction.execute(ViewEditAction.java:265) at org.apache.struts.action.RequestProcessor.processActionPerform(Reques tProcessor.java:421) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.ja va:226) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:116 4) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397) at javax.servlet.http.HttpServlet.service(HttpServlet.java:689) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl icationFilterChain.java:237) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF ilterChain.java:157) at com.xpn.xwiki.web.SetCharacterEncodingFilter.doFilter(SetCharacterEnc odingFilter.java:127) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl icationFilterChain.java:186) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF ilterChain.java:157) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV alve.java:214) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv eContext.java:104) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav a:520) at org.apache.catalina.core.StandardContextValve.invokeInternal(Standard ContextValve.java:198) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV alve.java:152) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv eContext.java:104) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav a:520) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j ava:137) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv eContext.java:104) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j ava:118) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv eContext.java:102) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav a:520) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal ve.java:109) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValv eContext.java:104) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.jav a:520) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929) at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:16 0) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java :799) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.proce ssConnection(Http11Protocol.java:705) at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java :577) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadP ool.java:683) at java.lang.Thread.run(Thread.java:534) 10:24:18,127 WARN Finalizer JDBCContext:finalize:333 - afterTransactionComplet ion() was never called