[rules-users] Drools Human Task Service Persistence
Rui Tang
tangrui at zyeeda.com
Sun May 15 02:31:41 EDT 2011
Please try to move ut.begin() before you newStatefulKnowledgeSession.
On Sat, May 14, 2011 at 12:56 AM, loumimi <moundir.jamal-ext at sgcib.com>wrote:
> Hello,
>
> I switch from drools 5.0.1 to drools 5.1.0, the problem is resolved, I m
> using the bitronix transaction manager, I kept transaction-type to
> "RESOURCE_LOCAL". So every things seem to be good, I have no exception.
> But no data is persisted in my database. So I tried to change the
> transaction type to JTA but I m getting the exception bellow :
> SEVERE: an assertion failure occured (this may indicate a bug in Hibernate,
> but is more likely due to unsafe use of the session)
> org.hibernate.AssertionFailure: Transaction MARKED_FOR_JOINED after
> isOpen()
> call
> at
>
> org.hibernate.ejb.AbstractEntityManagerImpl.joinTransaction(AbstractEntityManagerImpl.java:465)
> at
>
> org.hibernate.ejb.AbstractEntityManagerImpl.postInit(AbstractEntityManagerImpl.java:82)
> at
> org.hibernate.ejb.EntityManagerImpl.<init>(EntityManagerImpl.java:61)
> at
>
> org.hibernate.ejb.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:39)
> at
>
> org.hibernate.ejb.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:34)
> at
>
> org.drools.persistence.session.DefaultJpaManager.getApplicationScopedEntityManager(DefaultJpaManager.java:37)
> at
>
> org.drools.persistence.session.SingleSessionCommandService.<init>(SingleSessionCommandService.java:124)
> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
> at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown
> Source)
> at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown
> Source)
> at java.lang.reflect.Constructor.newInstance(Unknown Source)
> at
>
> org.drools.persistence.jpa.impl.KnowledgeStoreServiceImpl.buildCommanService(KnowledgeStoreServiceImpl.java:119)
> at
>
> org.drools.persistence.jpa.impl.KnowledgeStoreServiceImpl.newStatefulKnowledgeSession(KnowledgeStoreServiceImpl.java:57)
> at
>
> org.drools.persistence.jpa.JPAKnowledgeService.newStatefulKnowledgeSession(JPAKnowledgeService.java:109)
> at com.sample.ProcessTest.main(ProcessTest.java:69)
> java.lang.IllegalStateException:
> java.lang.reflect.InvocationTargetException
> at
>
> org.drools.persistence.jpa.impl.KnowledgeStoreServiceImpl.buildCommanService(KnowledgeStoreServiceImpl.java:133)
> at
>
> org.drools.persistence.jpa.impl.KnowledgeStoreServiceImpl.newStatefulKnowledgeSession(KnowledgeStoreServiceImpl.java:57)
> at
>
> org.drools.persistence.jpa.JPAKnowledgeService.newStatefulKnowledgeSession(JPAKnowledgeService.java:109)
> at com.sample.ProcessTest.main(ProcessTest.java:69)
> Caused by: java.lang.reflect.InvocationTargetException
> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
> at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown
> Source)
> at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown
> Source)
> at java.lang.reflect.Constructor.newInstance(Unknown Source)
> at
>
> org.drools.persistence.jpa.impl.KnowledgeStoreServiceImpl.buildCommanService(KnowledgeStoreServiceImpl.java:119)
> ... 3 more
> Caused by: java.lang.RuntimeException: Could not commit session
> at
>
> org.drools.persistence.session.SingleSessionCommandService.<init>(SingleSessionCommandService.java:135)
> ... 8 more
> Caused by: org.hibernate.AssertionFailure: Transaction MARKED_FOR_JOINED
> after isOpen() call
> at
>
> org.hibernate.ejb.AbstractEntityManagerImpl.joinTransaction(AbstractEntityManagerImpl.java:465)
> at
>
> org.hibernate.ejb.AbstractEntityManagerImpl.postInit(AbstractEntityManagerImpl.java:82)
> at
> org.hibernate.ejb.EntityManagerImpl.<init>(EntityManagerImpl.java:61)
> at
>
> org.hibernate.ejb.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:39)
> at
>
> org.hibernate.ejb.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:34)
> at
>
> org.drools.persistence.session.DefaultJpaManager.getApplicationScopedEntityManager(DefaultJpaManager.java:37)
> at
>
> org.drools.persistence.session.SingleSessionCommandService.<init>(SingleSessionCommandService.java:124)
> ... 8 more
>
> I tried to add the objects you mentioned, I added only 3, I didn't add
> env.set(EnvironmentName.TRANSACTION_SYNCHRONIZATION_REGISTRY,
> this.txSvc.getTransactionSynchronizationRegistry());
> because
> new InitialContext().lookup(
> "java:comp/env/TransactionSynchronizationRegistry" );
> Return null even I add
> javax.transaction.TransactionSynchronizationRegistry =
> bitronix.tm.BitronixTransactionSynchronizationRegistryObjectFactory
> in my jndi.properties file
>
> here is my code
> UserTransaction ut = (UserTransaction) new InitialContext().lookup(
> "java:comp/UserTransaction" );
> // create the entity manager factory and register it in the
> environment
> EntityManagerFactory emf =
> Persistence.createEntityManagerFactory( "org.drools.persistence.jpa" );
> Environment env = KnowledgeBaseFactory.newEnvironment();
> env.set( EnvironmentName.ENTITY_MANAGER_FACTORY, emf );
> env.set(EnvironmentName.TRANSACTION_MANAGER,
> TransactionManagerServices.getTransactionManager());
> env.set(EnvironmentName.GLOBALS, new MapGlobalResolver());
> env.set(EnvironmentName.TRANSACTION, ut);
> //TransactionSynchronizationRegistryHelper tsr =
> (TransactionSynchronizationRegistryHelper) new InitialContext().lookup(
> "java:comp/env/TransactionSynchronizationRegistry" );
> //
> env.set(EnvironmentName.TRANSACTION_SYNCHRONIZATION_REGISTRY, tsr );
>
> // create a new knowledge session that uses JPA to store the
> runtime state
> StatefulKnowledgeSession ksession =
> JPAKnowledgeService.newStatefulKnowledgeSession( kbase, null, env );
>
> // start the transaction
> ut.begin();
> // invoke methods on your method here
> ProcessInstance process = ksession.startProcess(
> "com.sample.ruleflow" );
> ksession.signalEvent("Test", "Test", process.getId());
> ut.commit();
> ut.begin();
> ksession.fireAllRules();
> // commit the transaction
> ut.commit();
> ksession.dispose();
>
> any idea ?
>
> Thanks
>
> Regards,
>
> From: rules-users-bounces at lists.jboss.org
> [mailto:rules-users-bounces at lists.jboss.org] On Behalf Of Rui Tang
> Sent: Friday,May 13,2011 3:58 AM
> To: Rules Users List
> Subject: Re: [rules-users] Drools Human Task Service Persistence
>
> Drools Persistence JPA module must use JTA instead of local transaction.
>
> <persistence-unit name="org.drools.persistence.jpa"
> transaction-type="RESOURCE_LOCAL">
>
> should change to
>
> <persistence-unit name="default" transaction-type="JTA">
>
> and
>
> env.set( EnvironmentName.TRANSACTION_MANAGER, XXXXXXXXXXX );
>
> your transaction manager should be get from JNDI like
>
> UserTransaction utx = (UserTransaction)
> ctx.lookup("java:comp/UserTransaction");
>
> Your JBoss transaction manager component should register the
> UserTransaction
> into that JNDO name. (In some JTA implementations the UserTransaction and
> TransactionManager have the same interfaces). And to make Drools
> Persistence
> JPA works, you should put 4 or 5 objects into env, they are:
>
> env.set(EnvironmentName.ENTITY_MANAGER_FACTORY,
> this.defaultPersistenceSvc.getSessionFactory());
> env.set(EnvironmentName.APP_SCOPED_ENTITY_MANAGER,
> this.defaultPersistenceSvc.getCurrentSession()); // If you don't handle the
> EntityManager your self, you can omit this line.
> env.set(EnvironmentName.TRANSACTION_MANAGER,
> this.txSvc.getTransactionManager()); // java:comp/env/TransactionManager
> env.set(EnvironmentName.TRANSACTION, this.txSvc.getTransaction()); //
> java:comp/UserTransaction
> env.set(EnvironmentName.TRANSACTION_SYNCHRONIZATION_REGISTRY,
> this.txSvc.getTransactionSynchronizationRegistry()); //
> java:comp/env/TransactionSynchronizationRegistry
>
> all the methods called from txSvc fetch objects from according JNDI. In my
> application all these JNDI objects are config-ed via Tomcat like this (in
> META-INF/context.xml):
>
> <Resource name="jdbc/defaultDS" auth="Container"
> type="javax.sql.XADataSource"
> factory="bitronix.tm.resource.ResourceObjectFactory"
> uniqueName="jdbc/defaultDS" />
>
> <Resource name="jdbc/droolsTaskDS" auth="Container"
> type="javax.sql.XADataSource"
> factory="bitronix.tm.resource.ResourceObjectFactory"
> uniqueName="jdbc/droolsTaskDS" />
>
> <Resource name="TransactionManager" auth="Container"
> type="javax.transaction.TransactionManager"
> factory="bitronix.tm.BitronixTransactionManagerObjectFactory" />
>
> <Resource name="TransactionSynchronizationRegistry" auth="Container"
> type="javax.transaction.TransactionSynchronizationRegistry"
>
>
> factory="bitronix.tm.BitronixTransactionSynchronizationRegistryObjectFactory"
> />
>
> <Resource name="UserTransaction" auth="Container"
> type="javax.transaction.UserTransaction" />
> <Transaction factory="bitronix.tm.BitronixUserTransactionObjectFactory"
> />
>
>
> --
> View this message in context:
> http://drools.46999.n3.nabble.com/Drools-Human-Task-Service-Persistence-tp1868778p2935598.html
> Sent from the Drools: User forum mailing list archive at Nabble.com.
>
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>
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