[jboss-user] [jBPM] - Re: JTA Problem with multiple sessions

Sumeru Saha do-not-reply at jboss.com
Mon May 27 07:08:43 EDT 2013 

Sumeru Saha [https://community.jboss.org/people/sumerus] created the discussion

"Re: JTA Problem with multiple sessions"

To view the discussion, visit: https://community.jboss.org/message/819628#819628

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Hi Gareth/ Maceij,
I'm getting the same exception which gareth mentioned at the start of this thread. Unlike Gareth I'm not using any code to initialize & invoke the work item. Currently i'm trying to setup jBoss EAP 6.0 (jBPM 5.3, jboss as 7.1.1) with Oracle XE as the DB. I've duely added a datasource in the standalone.xml (marked it as jta="true") and also changed the datasource name & hibernate dialect class in persistence.xml for both business-central-server.war & jbpm-human-task.war. Since I'm using Oracle XE, i did apply the blow grants also. Now when i'm logging into business-central portal and trying start a new instance of a process, I'm getting the exception. I'm sorry but I'm unable to follow the conversation you guys were having and unable to understand how the question of different threads are arising as I'm just trying to start a new process instance. Do you guys mean that the "buisness-central-server" and the "jbpm-human-task" these 2 entities trying access the same row in DB and thus causing the exception. Please help. I've attached the exception excerpt (from server.log) below. Please help with your valuable suggestion.
N.B. Also wanted to mention that before this exception appeared, server.log had another exception as below. Could this be contributing to the entire problem?
14:51:46,568 ERROR [org.drools.persistence.SingleSessionCommandService] (http-/127.0.0.1:8080-4) Could not commit session: java.lang.RuntimeException: Could not find session data for id 1
 at org.drools.persistence.SingleSessionCommandService.initKsession(SingleSessionCommandService.java:222) [drools-persistence-jpa-5.3.1.BRMS.jar:5.3.1.BRMS]
Thanks Sumer
*grant execute on sys.dbms_xa to jboss_brms;*
*grant select on pending_trans$ to jboss_brms;* 
*grant select on dba_2pc_pending to jboss_brms;* 
*grant select on dba_pending_transactions to jboss_brms;* 
*grant execute on dbms_system to jboss_brms;*

Excerpt from servr.log
14:59:11,825 WARN  [com.arjuna.ats.arjuna] (http-/127.0.0.1:8080-4) ARJUNA012125: TwoPhaseCoordinator.beforeCompletion - failed for SynchronizationImple< 0:ffff0affa703:a307ced:51a32566:37,  mailto:org.hibernate.engine.transaction.synchronization.internal.RegisteredSynchronization at 145a99c org.hibernate.engine.transaction.synchronization.internal.RegisteredSynchronization at 145a99c >: javax.persistence.OptimisticLockException: org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [org.drools.persistence.info.SessionInfo#1]
 at org.hibernate.ejb.AbstractEntityManagerImpl.wrapStaleStateException(AbstractEntityManagerImpl.java:1401) [hibernate-entitymanager-4.1.3.Final-redhat-1.jar:4.1.3.Final-redhat-1]
 at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1314) [hibernate-entitymanager-4.1.3.Final-redhat-1.jar:4.1.3.Final-redhat-1]
 at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1295) [hibernate-entitymanager-4.1.3.Final-redhat-1.jar:4.1.3.Final-redhat-1]
 at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1301) [hibernate-entitymanager-4.1.3.Final-redhat-1.jar:4.1.3.Final-redhat-1]
 at org.hibernate.ejb.AbstractEntityManagerImpl$CallbackExceptionMapperImpl.mapManagedFlushFailure(AbstractEntityManagerImpl.java:1495) [hibernate-entitymanager-4.1.3.Final-redhat-1.jar:4.1.3.Final-redhat-1]
 at org.hibernate.engine.transaction.synchronization.internal.SynchronizationCallbackCoordinatorImpl.beforeCompletion(SynchronizationCallbackCoordinatorImpl.java:109) [hibernate-core-4.1.3.Final-redhat-1.jar:4.1.3.Final-redhat-1]
 at org.hibernate.engine.transaction.synchronization.internal.RegisteredSynchronization.beforeCompletion(RegisteredSynchronization.java:53) [hibernate-core-4.1.3.Final-redhat-1.jar:4.1.3.Final-redhat-1]
 at com.arjuna.ats.internal.jta.resources.arjunacore.SynchronizationImple.beforeCompletion(SynchronizationImple.java:76)
 at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.beforeCompletion(TwoPhaseCoordinator.java:273)
 at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.end(TwoPhaseCoordinator.java:93)
 at com.arjuna.ats.arjuna.AtomicAction.commit(AtomicAction.java:164)
 at com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.commitAndDisassociate(TransactionImple.java:1165)
 at com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.commit(BaseTransaction.java:117)
 at com.arjuna.ats.jbossatx.BaseTransactionManagerDelegate.commit(BaseTransactionManagerDelegate.java:75)
 at org.jboss.tm.usertx.client.ServerVMClientUserTransaction.commit(ServerVMClientUserTransaction.java:167)
 at org.drools.persistence.jta.JtaTransactionManager.commit(JtaTransactionManager.java:179) [drools-persistence-jpa-5.3.1.BRMS.jar:5.3.1.BRMS]
 at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:363) [drools-persistence-jpa-5.3.1.BRMS.jar:5.3.1.BRMS]
 at org.drools.command.impl.CommandBasedStatefulKnowledgeSession.startProcess(CommandBasedStatefulKnowledgeSession.java:223) [drools-core-5.3.1.BRMS.jar:5.3.1.BRMS]
 at org.jbpm.integration.console.CommandDelegate.startProcess(CommandDelegate.java:120) [jbpm-gwt-core-5.3.1.BRMS.jar:5.3.1.BRMS]
 at org.jbpm.integration.console.ProcessManagement.newInstance(ProcessManagement.java:82) [jbpm-gwt-core-5.3.1.BRMS.jar:5.3.1.BRMS]
 at org.jboss.bpm.console.server.ProcessMgmtFacade.newInstance(ProcessMgmtFacade.java:209) [classes:]
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.6.0_30]
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) [rt.jar:1.6.0_30]
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [rt.jar:1.6.0_30]
 at java.lang.reflect.Method.invoke(Method.java:597) [rt.jar:1.6.0_30]
 at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:167) [resteasy-jaxrs-2.3.3.Final-redhat-1.jar:2.3.3.Final-redhat-1]
 at org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:257) [resteasy-jaxrs-2.3.3.Final-redhat-1.jar:2.3.3.Final-redhat-1]
 at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:222) [resteasy-jaxrs-2.3.3.Final-redhat-1.jar:2.3.3.Final-redhat-1]
 at org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:211) [resteasy-jaxrs-2.3.3.Final-redhat-1.jar:2.3.3.Final-redhat-1]
 at org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:525) [resteasy-jaxrs-2.3.3.Final-redhat-1.jar:2.3.3.Final-redhat-1]
 at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:502) [resteasy-jaxrs-2.3.3.Final-redhat-1.jar:2.3.3.Final-redhat-1]
 at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:119) [resteasy-jaxrs-2.3.3.Final-redhat-1.jar:2.3.3.Final-redhat-1]
 at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208) [resteasy-jaxrs-2.3.3.Final-redhat-1.jar:2.3.3.Final-redhat-1]
 at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55) [resteasy-jaxrs-2.3.3.Final-redhat-1.jar:2.3.3.Final-redhat-1]
 at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50) [resteasy-jaxrs-2.3.3.Final-redhat-1.jar:2.3.3.Final-redhat-1]
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) [jboss-servlet-api_3.0_spec-1.0.1.Final-redhat-1.jar:1.0.1.Final-redhat-1]
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329) [jbossweb-7.0.16.Final-redhat-1.jar:]
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.16.Final-redhat-1.jar:]
 at org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java:59) [classes:]
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280) [jbossweb-7.0.16.Final-redhat-1.jar:]
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.16.Final-redhat-1.jar:]
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275) [jbossweb-7.0.16.Final-redhat-1.jar:]
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161) [jbossweb-7.0.16.Final-redhat-1.jar:]
 at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:489) [jbossweb-7.0.16.Final-redhat-1.jar:]
 at org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:50) [jboss-as-jpa-7.1.2.Final-redhat-1.jar:7.1.2.Final-redhat-1]
 at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:153) [jboss-as-web-7.1.2.Final-redhat-1.jar:7.1.2.Final-redhat-1]
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:155) [jbossweb-7.0.16.Final-redhat-1.jar:]
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [jbossweb-7.0.16.Final-redhat-1.jar:]
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [jbossweb-7.0.16.Final-redhat-1.jar:]
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368) [jbossweb-7.0.16.Final-redhat-1.jar:]
 at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) [jbossweb-7.0.16.Final-redhat-1.jar:]
 at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:679) [jbossweb-7.0.16.Final-redhat-1.jar:]
 at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:931) [jbossweb-7.0.16.Final-redhat-1.jar:]
 at java.lang.Thread.run(Thread.java:662) [rt.jar:1.6.0_30]
Caused by: org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [org.drools.persistence.info.SessionInfo#1]
 at org.hibernate.persister.entity.AbstractEntityPersister.check(AbstractEntityPersister.java:2368) [hibernate-core-4.1.3.Final-redhat-1.jar:4.1.3.Final-redhat-1]
 at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:3020) [hibernate-core-4.1.3.Final-redhat-1.jar:4.1.3.Final-redhat-1]
 at org.hibernate.persister.entity.AbstractEntityPersister.updateOrInsert(AbstractEntityPersister.java:2918) [hibernate-core-4.1.3.Final-redhat-1.jar:4.1.3.Final-redhat-1]
 at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:3247) [hibernate-core-4.1.3.Final-redhat-1.jar:4.1.3.Final-redhat-1]
 at org.hibernate.action.internal.EntityUpdateAction.execute(EntityUpdateAction.java:140) [hibernate-core-4.1.3.Final-redhat-1.jar:4.1.3.Final-redhat-1]
 at org.hibernate.engine.spi.ActionQueue.execute(ActionQueue.java:362) [hibernate-core-4.1.3.Final-redhat-1.jar:4.1.3.Final-redhat-1]
 at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:354) [hibernate-core-4.1.3.Final-redhat-1.jar:4.1.3.Final-redhat-1]
 at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:276) [hibernate-core-4.1.3.Final-redhat-1.jar:4.1.3.Final-redhat-1]
 at org.hibernate.event.internal.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:326) [hibernate-core-4.1.3.Final-redhat-1.jar:4.1.3.Final-redhat-1]
 at org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:52) [hibernate-core-4.1.3.Final-redhat-1.jar:4.1.3.Final-redhat-1]
 at org.hibernate.internal.SessionImpl.flush(SessionImpl.java:1214) [hibernate-core-4.1.3.Final-redhat-1.jar:4.1.3.Final-redhat-1]
 at org.hibernate.internal.SessionImpl.managedFlush(SessionImpl.java:403) [hibernate-core-4.1.3.Final-redhat-1.jar:4.1.3.Final-redhat-1]
 at org.hibernate.engine.transaction.synchronization.internal.SynchronizationCallbackCoordinatorImpl.beforeCompletion(SynchronizationCallbackCoordinatorImpl.java:104) [hibernate-core-4.1.3.Final-redhat-1.jar:4.1.3.Final-redhat-1]
 ... 48 more
14:59:11,855 WARN  [org.drools.persistence.jta.JtaTransactionManager] (http-/127.0.0.1:8080-4) Unable to commit transaction: javax.transaction.RollbackException: ARJUNA016053: Could not commit transaction.
 at com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.commitAndDisassociate(TransactionImple.java:1177)
 at com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.commit(BaseTransaction.java:117)
 at co

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