I am using Hibernate 3, Jboss 3.2.3 and mysql 5 I got a transaction roll back and an error which I donot really know what it is. Any hint or help is appreciated. Here is the error null; nested exception is: org.jboss.tm.JBossRollbackException: Unable to commit, tx=TransactionImpl:XidImpl [FormatId=257, GlobalId=localhost.localdomain//9823, BranchQual=] status=STATUS_NO_TRANSACTION; - nested throwable: (java.lang.IllegalStateException: No security context set); - nested throwable: (org.jboss.tm.JBossRollbackException: Unable to commit, tx=TransactionImpl:XidImpl [FormatId=257, GlobalId=localhost.localdomain//9823, BranchQual=] status=STATUS_NO_TRANSACTION; - nested throwable: (java.lang.IllegalStateException: No security context set)) org.jboss.tm.JBossTransactionRolledbackException: null; nested exception is: org.jboss.tm.JBossRollbackException: Unable to commit, tx=TransactionImpl:XidImpl [FormatId=257, GlobalId=localhost.localdomain//9823, BranchQual=] status=STATUS_NO_TRANSACTION; - nested throwable: (java.lang.IllegalStateException: No security context set); - nested throwable: (org.jboss.tm.JBossRollbackException: Unable to commit, tx=TransactionImpl:XidImpl [FormatId=257, GlobalId=localhost.localdomain//9823, BranchQual=] status=STATUS_NO_TRANSACTION; - nested throwable: (java.lang.IllegalStateException: No security context set)) at org.jboss.ejb.plugins.TxInterceptorCMT.throwJBossException(TxInterceptorCMT.java:552) at org.jboss.ejb.plugins.TxInterceptorCMT.endTransaction(TxInterceptorCMT.java:463) at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:326) at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:150) at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:111) at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:192) at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:122) at org.jboss.ejb.StatelessSessionContainer.internalInvoke(StatelessSessionContainer.java:331) at org.jboss.ejb.Container.invoke(Container.java:709) at sun.reflect.GeneratedMethodAccessor137.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.jboss.mx.server.ReflectedDispatcher.dispatch(ReflectedDispatcher.java:60) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:62) at org.jboss.mx.server.Invocation.dispatch(Invocation.java:54) at org.jboss.mx.server.Invocation.invoke(Invocation.java:82) at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:198) at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:473) at org.jboss.invocation.local.LocalInvoker.invoke(LocalInvoker.java:97) at org.jboss.invocation.InvokerInterceptor.invokeLocal(InvokerInterceptor.java:115) at org.jboss.invocation.InvokerInterceptor.invoke(InvokerInterceptor.java:101) at org.jboss.proxy.TransactionInterceptor.invoke(TransactionInterceptor.java:46) at org.jboss.proxy.SecurityInterceptor.invoke(SecurityInterceptor.java:55) at org.jboss.proxy.ejb.StatelessSessionInterceptor.invoke(StatelessSessionInterceptor.java:100) at org.jboss.proxy.ClientContainer.invoke(ClientContainer.java:86) at $Proxy217.addYearOfStudy(Unknown Source) at com.amritatech.aums.academics.controllers.YearOfStudyController.addYearOfStudy(YearOfStudyController.java:225) at com.amritatech.aums.academics.controllers.YearOfStudyController.doPageRequested(YearOfStudyController.java:172) at org.amma.aitf.hmoscore.ui.controller.BaseController.pageRequested(BaseController.java:439) at com.salmonllc.html.HtmlPage.notifyListeners(HtmlPage.java:1159) at com.salmonllc.jsp.JspController.notifyListeners(JspController.java:973) at com.salmonllc.jsp.JspController.doGet(JspController.java:589) at com.salmonllc.jsp.tags.PageTag.doStartTag(PageTag.java:215) at org.apache.jsp.Jsp.AcademicMaster.YearOfStudy_jsp._jspx_meth_jade_page_0(YearOfStudy_jsp.java:174) at org.apache.jsp.Jsp.AcademicMaster.YearOfStudy_jsp._jspService(YearOfStudy_jsp.java:126) at com.salmonllc.jsp.JspServlet.service(JspServlet.java:328) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236) at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:75) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) at org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:66) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:162) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:540) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929) at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160) 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$ControlRunnable.run(ThreadPool.java:684) at java.lang.Thread.run(Thread.java:534) Caused by: org.jboss.tm.JBossRollbackException: Unable to commit, tx=TransactionImpl:XidImpl [FormatId=257, GlobalId=localhost.localdomain//9823, BranchQual=] status=STATUS_NO_TRANSACTION; - nested throwable: (java.lang.IllegalStateException: No security context set) at org.jboss.tm.TransactionImpl.commit(TransactionImpl.java:415) at org.jboss.ejb.plugins.TxInterceptorCMT.endTransaction(TxInterceptorCMT.java:458) ... 71 more Caused by: java.lang.IllegalStateException: No security context set at org.jboss.ejb.EnterpriseContext$EJBContextImpl.getCallerPrincipal(EnterpriseContext.java:276) at com.amritatech.common.util.AumsSessionBean.onFlushDirty(AumsSessionBean.java:127) at org.amma.aitf.hmoscore.services.HibernateInterceptor.onFlushDirty(HibernateInterceptor.java:171) at org.hibernate.event.def.DefaultFlushEntityEventListener.invokeInterceptor(DefaultFlushEntityEventListener.java:318) at org.hibernate.event.def.DefaultFlushEntityEventListener.handleInterception(DefaultFlushEntityEventListener.java:294) at org.hibernate.event.def.DefaultFlushEntityEventListener.scheduleUpdate(DefaultFlushEntityEventListener.java:234) at org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:114) at org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:195) at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:76) at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:26) at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:985) at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:333) at org.hibernate.transaction.CacheSynchronization.beforeCompletion(CacheSynchronization.java:59) at org.jboss.tm.TransactionImpl.doBeforeCompletion(TransactionImpl.java:1362) at org.jboss.tm.TransactionImpl.commit(TransactionImpl.java:347) ... 72 more View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4135226#... 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