I've gotton a little step further, and my new exception may be more related to JBoss.
I tried persistence with a new class (TestData) and the program got further than with my first class, even though there is hardly any difference between the two classes. The new exception when saving is: | org.hibernate.exception.GenericJDBCException: Cannot open connection | at org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:103) | at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:91) | at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43) | at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:29) | at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:426) | at org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:144) | at org.hibernate.jdbc.AbstractBatcher.prepareStatement(AbstractBatcher.java:94) | at org.hibernate.id.insert.AbstractSelectingDelegate.performInsert(AbstractSelectingDelegate.java:30) | at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2158) | at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2638) | at org.hibernate.action.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:48) | at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:250) | at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:298) | at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:181) | at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:107) | at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:187) | at org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:33) | at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:172) | at org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:27) | at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70) | at org.hibernate.impl.SessionImpl.fireSave(SessionImpl.java:535) | at org.hibernate.impl.SessionImpl.save(SessionImpl.java:523) | at org.hibernate.impl.SessionImpl.save(SessionImpl.java:519) | at woodpecker.portlet.test.JanosCikkPortlet.someMethod(JanosCikkPortlet.java:52) | at woodpecker.portlet.test.JanosCikkPortlet.processAction(JanosCikkPortlet.java:106) | at org.jboss.portal.portlet.impl.jsr168.PortletContainerImpl.invokeAction(PortletContainerImpl.java:458) | at org.jboss.portal.portlet.impl.jsr168.PortletContainerImpl.dispatch(PortletContainerImpl.java:401) | at org.jboss.portal.portlet.container.PortletContainerInvoker$1.invoke(PortletContainerInvoker.java:86) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:131) | at org.jboss.portal.core.aspects.portlet.TransactionInterceptor.org$jboss$portal$core$aspects$portlet$TransactionInterceptor$invokeRequired$aop(TransactionInterceptor.java:106) | at org.jboss.portal.core.aspects.portlet.TransactionInterceptor$invokeRequired_9103964459766407072.invokeNext(TransactionInterceptor$invokeRequired_9103964459766407072.java) | at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:126) | at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:195) | at org.jboss.portal.core.aspects.portlet.TransactionInterceptor$invokeRequired_9103964459766407072.invokeNext(TransactionInterceptor$invokeRequired_9103964459766407072.java) | at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:126) | at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:195) | at org.jboss.portal.core.aspects.portlet.TransactionInterceptor$invokeRequired_9103964459766407072.invokeNext(TransactionInterceptor$invokeRequired_9103964459766407072.java) | at org.jboss.portal.core.aspects.portlet.TransactionInterceptor.invokeRequired(TransactionInterceptor.java) | at org.jboss.portal.core.aspects.portlet.TransactionInterceptor.invoke(TransactionInterceptor.java:72) | at org.jboss.portal.portlet.invocation.PortletInterceptor.invoke(PortletInterceptor.java:38) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.core.aspects.portlet.HeaderInterceptor.invoke(HeaderInterceptor.java:50) | at org.jboss.portal.portlet.invocation.PortletInterceptor.invoke(PortletInterceptor.java:38) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.portlet.aspects.portlet.ProducerCacheInterceptor.invoke(ProducerCacheInterceptor.java:53) | at org.jboss.portal.portlet.invocation.PortletInterceptor.invoke(PortletInterceptor.java:38) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.core.aspects.portlet.AjaxInterceptor.invoke(AjaxInterceptor.java:51) | at org.jboss.portal.portlet.invocation.PortletInterceptor.invoke(PortletInterceptor.java:38) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.portlet.aspects.portlet.ModesInterceptor.invoke(ModesInterceptor.java:62) | at org.jboss.portal.portlet.invocation.PortletInterceptor.invoke(PortletInterceptor.java:38) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.portlet.bridge.BridgeInterceptor.invoke(BridgeInterceptor.java:47) | at org.jboss.portal.portlet.invocation.PortletInterceptor.invoke(PortletInterceptor.java:38) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.portlet.aspects.portlet.WindowStatesInterceptor.invoke(WindowStatesInterceptor.java:55) | at org.jboss.portal.portlet.invocation.PortletInterceptor.invoke(PortletInterceptor.java:38) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.portlet.aspects.portlet.PortletSessionSynchronizationInterceptor.invoke(PortletSessionSynchronizationInterceptor.java:80) | at org.jboss.portal.portlet.invocation.PortletInterceptor.invoke(PortletInterceptor.java:38) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.portlet.aspects.portlet.ContextTrackerInterceptor.invoke(ContextTrackerInterceptor.java:46) | at org.jboss.portal.portlet.invocation.PortletInterceptor.invoke(PortletInterceptor.java:38) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.portlet.aspects.portlet.ContextDispatcherInterceptor$1.doCallback(ContextDispatcherInterceptor.java:104) | at org.jboss.portal.web.command.CommandDispatcher$CallbackCommand.execute(CommandDispatcher.java:74) | at sun.reflect.GeneratedMethodAccessor350.invoke(Unknown Source) | at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) | at java.lang.reflect.Method.invoke(Method.java:585) | at org.jboss.portal.web.command.CommandServlet.doGet(CommandServlet.java:131) | at javax.servlet.http.HttpServlet.service(HttpServlet.java:690) | at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) | at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:687) | at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:590) | at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:505) | at org.jboss.portal.web.command.CommandServlet.include(CommandServlet.java:80) | at org.jboss.portal.web.command.CommandDispatcher.include(CommandDispatcher.java:50) | at org.jboss.portal.web.jboss.JBossWebContext.include(JBossWebContext.java:65) | at org.jboss.portal.web.ServletContainer.include(ServletContainer.java:182) | at org.jboss.portal.portlet.impl.spi.AbstractRequestContext.dispatch(AbstractRequestContext.java:81) | at org.jboss.portal.portlet.aspects.portlet.ContextDispatcherInterceptor.invoke(ContextDispatcherInterceptor.java:76) | at org.jboss.portal.portlet.invocation.PortletInterceptor.invoke(PortletInterceptor.java:38) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.portlet.aspects.portlet.SecureTransportInterceptor.invoke(SecureTransportInterceptor.java:68) | at org.jboss.portal.portlet.invocation.PortletInterceptor.invoke(PortletInterceptor.java:38) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.portlet.aspects.portlet.ValveInterceptor.invoke(ValveInterceptor.java:60) | at org.jboss.portal.portlet.invocation.PortletInterceptor.invoke(PortletInterceptor.java:38) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.common.invocation.Invocation.invoke(Invocation.java:157) | at org.jboss.portal.portlet.container.PortletContainerInvoker.invoke(PortletContainerInvoker.java:198) | at org.jboss.portal.portlet.state.producer.ProducerPortletInvoker.invoke(ProducerPortletInvoker.java:233) | at org.jboss.portal.core.impl.portlet.state.ProducerPortletInvoker.org$jboss$portal$core$impl$portlet$state$ProducerPortletInvoker$invoke$aop(ProducerPortletInvoker.java:53) | at org.jboss.portal.core.impl.portlet.state.ProducerPortletInvoker$invoke_N8654503705355129869.invokeNext(ProducerPortletInvoker$invoke_N8654503705355129869.java) | at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:126) | at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:195) | at org.jboss.portal.core.impl.portlet.state.ProducerPortletInvoker$invoke_N8654503705355129869.invokeNext(ProducerPortletInvoker$invoke_N8654503705355129869.java) | at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:126) | at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:195) | at org.jboss.portal.core.impl.portlet.state.ProducerPortletInvoker$invoke_N8654503705355129869.invokeNext(ProducerPortletInvoker$invoke_N8654503705355129869.java) | at org.jboss.portal.core.impl.portlet.state.ProducerPortletInvoker.invoke(ProducerPortletInvoker.java) | at org.jboss.portal.portlet.federation.impl.FederatedPortletInvokerService.invoke(FederatedPortletInvokerService.java:147) | at org.jboss.portal.portlet.federation.impl.FederatingPortletInvokerService.invoke(FederatingPortletInvokerService.java:150) | at org.jboss.portal.core.impl.model.instance.InstanceContainerImpl$1.invoke(InstanceContainerImpl.java:98) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:131) | at org.jboss.portal.portlet.management.PortletContainerManagementInterceptorImpl.invoke(PortletContainerManagementInterceptorImpl.java:58) | at org.jboss.portal.portlet.invocation.PortletInterceptor.invoke(PortletInterceptor.java:38) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.portlet.aspects.portlet.PortalSessionSynchronizationInterceptor.invoke(PortalSessionSynchronizationInterceptor.java:116) | at org.jboss.portal.portlet.invocation.PortletInterceptor.invoke(PortletInterceptor.java:38) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.core.model.instance.InstanceSecurityInterceptor.invoke(InstanceSecurityInterceptor.java:91) | at org.jboss.portal.portlet.invocation.PortletInterceptor.invoke(PortletInterceptor.java:38) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.portlet.aspects.portlet.ConsumerCacheInterceptor.invoke(ConsumerCacheInterceptor.java:175) | at org.jboss.portal.portlet.invocation.PortletInterceptor.invoke(PortletInterceptor.java:38) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.common.invocation.Invocation.invoke(Invocation.java:157) | at org.jboss.portal.core.impl.model.instance.InstanceContainerImpl.org$jboss$portal$core$impl$model$instance$InstanceContainerImpl$invoke$aop(InstanceContainerImpl.java:413) | at org.jboss.portal.core.impl.model.instance.InstanceContainerImpl$invoke_N8654503705355129869.invokeNext(InstanceContainerImpl$invoke_N8654503705355129869.java) | at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:126) | at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:195) | at org.jboss.portal.core.impl.model.instance.InstanceContainerImpl$invoke_N8654503705355129869.invokeNext(InstanceContainerImpl$invoke_N8654503705355129869.java) | at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:126) | at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:195) | at org.jboss.portal.core.impl.model.instance.InstanceContainerImpl$invoke_N8654503705355129869.invokeNext(InstanceContainerImpl$invoke_N8654503705355129869.java) | at org.jboss.portal.core.impl.model.instance.InstanceContainerImpl.invoke(InstanceContainerImpl.java) | at org.jboss.portal.core.impl.model.instance.AbstractInstance.invoke(AbstractInstance.java:234) | at org.jboss.portal.core.model.portal.command.action.InvokePortletWindowActionCommand.execute(InvokePortletWindowActionCommand.java:174) | at org.jboss.portal.core.controller.ControllerCommand$1.invoke(ControllerCommand.java:68) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:131) | at org.jboss.portal.core.aspects.controller.node.EventBroadcasterInterceptor.invoke(EventBroadcasterInterceptor.java:123) | at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.core.aspects.controller.ControlInterceptor.invoke(ControlInterceptor.java:57) | at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.core.aspects.controller.PageCustomizerInterceptor.invoke(PageCustomizerInterceptor.java:133) | at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.core.aspects.controller.PolicyEnforcementInterceptor.invoke(PolicyEnforcementInterceptor.java:77) | at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.core.aspects.controller.node.PortalNodeInterceptor.invoke(PortalNodeInterceptor.java:81) | at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.core.aspects.controller.NavigationalStateInterceptor.invoke(NavigationalStateInterceptor.java:42) | at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.core.controller.ajax.AjaxInterceptor.invoke(AjaxInterceptor.java:51) | at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.core.aspects.controller.ResourceAcquisitionInterceptor.invoke(ResourceAcquisitionInterceptor.java:50) | at org.jboss.portal.core.controller.ControllerInterceptor.invoke(ControllerInterceptor.java:40) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.common.invocation.Invocation.invoke(Invocation.java:157) | at org.jboss.portal.core.controller.ControllerContext.execute(ControllerContext.java:134) | at org.jboss.portal.core.controller.Controller.processCommand(Controller.java:235) | at org.jboss.portal.core.controller.Controller.processHandlerResponse(Controller.java:294) | at org.jboss.portal.core.controller.Controller.processCommand(Controller.java:239) | at org.jboss.portal.core.controller.Controller.handle(Controller.java:218) | at org.jboss.portal.server.RequestControllerDispatcher.invoke(RequestControllerDispatcher.java:51) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:131) | at org.jboss.portal.core.cms.aspect.IdentityBindingInterceptor.invoke(IdentityBindingInterceptor.java:47) | at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.server.aspects.server.ContentTypeInterceptor.invoke(ContentTypeInterceptor.java:68) | at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.core.aspects.server.LocaleInterceptor.invoke(LocaleInterceptor.java:96) | at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.core.aspects.server.UserInterceptor.invoke(UserInterceptor.java:245) | at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.server.aspects.server.SignOutInterceptor.invoke(SignOutInterceptor.java:98) | at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.core.impl.api.user.UserEventBridgeTriggerInterceptor.invoke(UserEventBridgeTriggerInterceptor.java:65) | at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.core.aspects.server.TransactionInterceptor.org$jboss$portal$core$aspects$server$TransactionInterceptor$invoke$aop(TransactionInterceptor.java:49) | at org.jboss.portal.core.aspects.server.TransactionInterceptor$invoke_N5143606530999904530.invokeNext(TransactionInterceptor$invoke_N5143606530999904530.java) | at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:79) | at org.jboss.aspects.tx.TxInterceptor$RequiresNew.invoke(TxInterceptor.java:253) | at org.jboss.portal.core.aspects.server.TransactionInterceptor$invoke_N5143606530999904530.invokeNext(TransactionInterceptor$invoke_N5143606530999904530.java) | at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:79) | at org.jboss.aspects.tx.TxInterceptor$RequiresNew.invoke(TxInterceptor.java:262) | at org.jboss.portal.core.aspects.server.TransactionInterceptor$invoke_N5143606530999904530.invokeNext(TransactionInterceptor$invoke_N5143606530999904530.java) | at org.jboss.portal.core.aspects.server.TransactionInterceptor.invoke(TransactionInterceptor.java) | at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.server.aspects.LockInterceptor$InternalLock.invoke(LockInterceptor.java:70) | at org.jboss.portal.server.aspects.LockInterceptor.invoke(LockInterceptor.java:131) | at org.jboss.portal.common.invocation.Invocation.invokeNext(Invocation.java:115) | at org.jboss.portal.common.invocation.Invocation.invoke(Invocation.java:157) | at org.jboss.portal.server.servlet.PortalServlet.service(PortalServlet.java:380) | at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) | at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) | at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230) | at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) | at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179) | at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433) | at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84) | at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) | at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104) | at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157) | at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) | at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241) | at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) | at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580) | at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) | at java.lang.Thread.run(Thread.java:595) | Caused by: org.jboss.util.NestedSQLException: Could not enlist in transaction on entering meta-aware object!; - nested throwable: (javax.transaction.SystemException: java.lang.Throwable: Unabled to enlist resource, see the previous warnings. tx=TransactionImple < ac, BasicAction: -3f57feca:c7da:474d4825:97a status: ActionStatus.ABORT_ONLY >); - nested throwable: (org.jboss.resource.JBossResourceException: Could not enlist in transaction on entering meta-aware object!; - nested throwable: (javax.transaction.SystemException: java.lang.Throwable: Unabled to enlist resource, see the previous warnings. tx=TransactionImple < ac, BasicAction: -3f57feca:c7da:474d4825:97a status: ActionStatus.ABORT_ONLY >)) | at org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:94) | at org.hibernate.connection.DatasourceConnectionProvider.getConnection(DatasourceConnectionProvider.java:69) | at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:423) | ... 215 more | Caused by: org.jboss.resource.JBossResourceException: Could not enlist in transaction on entering meta-aware object!; - nested throwable: (javax.transaction.SystemException: java.lang.Throwable: Unabled to enlist resource, see the previous warnings. tx=TransactionImple < ac, BasicAction: -3f57feca:c7da:474d4825:97a status: ActionStatus.ABORT_ONLY >) | at org.jboss.resource.connectionmanager.TxConnectionManager.managedConnectionReconnected(TxConnectionManager.java:343) | at org.jboss.resource.connectionmanager.BaseConnectionManager2.reconnectManagedConnection(BaseConnectionManager2.java:518) | at org.jboss.resource.connectionmanager.BaseConnectionManager2.allocateConnection(BaseConnectionManager2.java:399) | at org.jboss.resource.connectionmanager.BaseConnectionManager2$ConnectionManagerProxy.allocateConnection(BaseConnectionManager2.java:842) | at org.jboss.resource.adapter.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:88) | ... 217 more | Caused by: javax.transaction.SystemException: java.lang.Throwable: Unabled to enlist resource, see the previous warnings. tx=TransactionImple < ac, BasicAction: -3f57feca:c7da:474d4825:97a status: ActionStatus.ABORT_ONLY > | at org.jboss.resource.connectionmanager.TxConnectionManager$TxConnectionEventListener$TransactionSynchronization.checkEnlisted(TxConnectionManager.java:744) | at org.jboss.resource.connectionmanager.TxConnectionManager$TxConnectionEventListener.enlist(TxConnectionManager.java:577) | at org.jboss.resource.connectionmanager.TxConnectionManager.managedConnectionReconnected(TxConnectionManager.java:337) | ... 221 more | I am using the packaged hsqldb-ds.xml , my hibernate-service.xml mbean is: | <server> | <mbean code="org.jboss.hibernate.jmx.Hibernate" | name="jboss.har:service=Hibernate"> | <attribute name="DatasourceName">java:/DefaultDS</attribute> | <attribute name="Dialect"> | org.hibernate.dialect.HSQLDialect | </attribute> | <attribute name="SessionFactoryName"> | java:/hibernate/SessionFactory | </attribute> | | <attribute name="ScanForMappingsEnabled">true</attribute> | <attribute name="Hbm2ddlAuto">create</attribute> | </mbean> | </server> | my portlet definition in portlet.xml and jboss-portlet.xml files: | <portlet> | <description>JanosCikkPortlet</description> | <portlet-name>JanosCikkPortlet</portlet-name> | <transaction> | <trans-attribute>Required</trans-attribute> | </transaction> | <display-name>JanosCikkPortlet</display-name> | <portlet-class>woodpecker.portlet.test.JanosCikkPortlet</portlet-class> | <expiration-cache>0</expiration-cache> | <supports> | <mime-type>text/html</mime-type> | <portlet-mode>VIEW</portlet-mode> | </supports> | <portlet-info> | <title>JanosCikkPortlet</title> | <short-title>JanosCikkPortlet</short-title> | </portlet-info> | </portlet> | Can anyone help me with understanding: "Could not enlist in transaction on entering meta-aware object!" View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4108393#4108393 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4108393 _______________________________________________ jboss-user mailing list [email protected] https://lists.jboss.org/mailman/listinfo/jboss-user
