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Details

Type: Feature Request
Resolution: Unresolved
Priority: Major
Fix Version/s: None
Affects Version/s: 10.0.0.Final
Component/s: CDI / Weld, JPA / Hibernate
Labels:
None

Forum Reference:
https://developer.jboss.org/message/926416
Estimated Difficulty:
Low

Description

Sending transactional CDI events from an JPA callback during a managed flush throws IllegalStateException (ARJUNA016082) in Wildfly 8.2.0.Final.
The following Arquillian test project on GitHub: https://github.com/wrungel/bugs/tree/master/tx-observer-test shows the error.
The JPA Listener (CDI Event sender):

public class UpdateListener {
    @PreUpdate
    public void callback(Object object) {
         if (object instanceof FooEntity) {
             getBeanManager().fireEvent(object);
         }
    }
 }

CDI event observer:

public class UpdateObserver {
     public void BEFORE_COMPLETION(@Observes(during = TransactionPhase.BEFORE_COMPLETION) FooEntity foo) {
         ...
     }
}

Transactional service:

@Transactional
public class FooService {

    @PersistenceContext(unitName = "default")
    EntityManager em;

    public void managedFlush() {
        // change entity property:
        em.find(FooEntity.class, ID).setName(UUID.randomUUID().toString());
    }
}

Calling managedFlush() causes the following error:

WARN  [com.arjuna.ats.arjuna] ARJUNA012125: TwoPhaseCoordinator.beforeCompletion - failed for SynchronizationImple< 0:ffffac136c07:4115d5ad:553685a6:11, org.hibernate.engine.transaction.synchronization.internal.RegisteredSynchronization@458cbc17 >:
 javax.persistence.PersistenceException: error during managed flush
    at org.hibernate.jpa.spi.AbstractEntityManagerImpl$CallbackExceptionMapperImpl.mapManagedFlushFailure(AbstractEntityManagerImpl.java:1887) [hibernate-entitymanager-4.3.7.Final.jar:4.3.7.Final]
    at org.hibernate.engine.transaction.synchronization.internal.SynchronizationCallbackCoordinatorNonTrackingImpl.beforeCompletion(SynchronizationCallbackCoordinatorNonTrackingImpl.java:119) [hibernate-core-4.3.7.Final.jar:4.3.7.Final]
    at org.hibernate.engine.transaction.synchronization.internal.RegisteredSynchronization.beforeCompletion(RegisteredSynchronization.java:50) [hibernate-core-4.3.7.Final.jar:4.3.7.Final]
    at com.arjuna.ats.internal.jta.resources.arjunacore.SynchronizationImple.beforeCompletion(SynchronizationImple.java:76) [narayana-jts-jacorb-5.0.0.Final.jar:5.0.0.Final (revision: 9aa71)]
    at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.beforeCompletion(TwoPhaseCoordinator.java:358) [narayana-jts-jacorb-5.0.0.Final.jar:5.0.0.Final (revision: 9aa71)]
    at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.end(TwoPhaseCoordinator.java:91) [narayana-jts-jacorb-5.0.0.Final.jar:5.0.0.Final (revision: 9aa71)]
    at com.arjuna.ats.arjuna.AtomicAction.commit(AtomicAction.java:162) [narayana-jts-jacorb-5.0.0.Final.jar:5.0.0.Final (revision: 9aa71)]
    at com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.commitAndDisassociate(TransactionImple.java:1166) [narayana-jts-jacorb-5.0.0.Final.jar:5.0.0.Final (revision: 9aa71)]
    at com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.commit(BaseTransaction.java:126) [narayana-jts-jacorb-5.0.0.Final.jar:5.0.0.Final (revision: 9aa71)]
    at com.arjuna.ats.jbossatx.BaseTransactionManagerDelegate.commit(BaseTransactionManagerDelegate.java:75)
    at com.arjuna.ats.jta.cdi.transactional.TransactionalInterceptorBase.endTransaction(TransactionalInterceptorBase.java:147) [narayana-jts-jacorb-5.0.0.Final.jar:5.0.0.Final (revision: 9aa71)]
    at com.arjuna.ats.jta.cdi.transactional.TransactionalInterceptorBase.invokeInOurTx(TransactionalInterceptorBase.java:93) [narayana-jts-jacorb-5.0.0.Final.jar:5.0.0.Final (revision: 9aa71)]
    at com.arjuna.ats.jta.cdi.transactional.TransactionalInterceptorRequired.intercept(TransactionalInterceptorRequired.java:52) [narayana-jts-jacorb-5.0.0.Final.jar:5.0.0.Final (revision: 9aa71)]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.8.0_20]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) [rt.jar:1.8.0_20]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.8.0_20]
    at java.lang.reflect.Method.invoke(Method.java:483) [rt.jar:1.8.0_20]
    at org.jboss.weld.interceptor.reader.SimpleInterceptorInvocation$SimpleMethodInvocation.invoke(SimpleInterceptorInvocation.java:74) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
    at org.jboss.weld.interceptor.chain.AbstractInterceptionChain.invokeNext(AbstractInterceptionChain.java:124) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
    at org.jboss.weld.interceptor.chain.AbstractInterceptionChain.invokeNextInterceptor(AbstractInterceptionChain.java:102) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
    at org.jboss.weld.interceptor.proxy.InterceptorMethodHandler.executeInterception(InterceptorMethodHandler.java:43) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
    at org.jboss.weld.interceptor.proxy.InterceptorMethodHandler.invoke(InterceptorMethodHandler.java:36) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
    at org.jboss.weld.bean.proxy.CombinedInterceptorAndDecoratorStackMethodHandler.invoke(CombinedInterceptorAndDecoratorStackMethodHandler.java:51) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
    at frol.txobserver.FooService$Proxy$_$$_WeldSubclass.managedFlush(Unknown Source) [f4da9dfa-ba67-446a-abe8-e5172fa8d5f3.jar:]
    at frol.txobserver.TxObserverTest.error_during_managed_flush(TxObserverTest.java:44) [f4da9dfa-ba67-446a-abe8-e5172fa8d5f3.jar
    ...
Caused by: java.lang.RuntimeException: java.lang.IllegalStateException: ARJUNA016082: Synchronizations are not allowed! Transaction status isActionStatus.RUNNING
    at org.jboss.as.weld.services.bootstrap.WeldTransactionServices.registerSynchronization(WeldTransactionServices.java:85) [wildfly-weld-8.2.0.Final.jar:8.2.0.Final]
    at org.jboss.weld.event.TransactionalObserverNotifier.deferNotification(TransactionalObserverNotifier.java:67) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
    at org.jboss.weld.event.TransactionalObserverNotifier.notifyObserver(TransactionalObserverNotifier.java:48) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
    at org.jboss.weld.event.ObserverNotifier.notifyObservers(ObserverNotifier.java:124) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
    at org.jboss.weld.event.ObserverNotifier.fireEvent(ObserverNotifier.java:117) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
    at org.jboss.weld.manager.BeanManagerImpl.fireEvent(BeanManagerImpl.java:673) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
    at org.jboss.weld.util.ForwardingBeanManager.fireEvent(ForwardingBeanManager.java:101) [weld-core-impl-2.2.6.Final.jar:2014-10-03 10:05]
    at frol.txobserver.UpdateListener.callback(UpdateListener.java:36) [f4da9dfa-ba67-446a-abe8-e5172fa8d5f3.jar:]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.8.0_20]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) [rt.jar:1.8.0_20]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.8.0_20]
    at java.lang.reflect.Method.invoke(Method.java:483) [rt.jar:1.8.0_20]
    at org.hibernate.jpa.event.internal.jpa.ListenerCallback.performCallback(ListenerCallback.java:49) [hibernate-entitymanager-4.3.7.Final.jar:4.3.7.Final]
    at org.hibernate.jpa.event.internal.jpa.CallbackRegistryImpl.callback(CallbackRegistryImpl.java:112) [hibernate-entitymanager-4.3.7.Final.jar:4.3.7.Final]
    at org.hibernate.jpa.event.internal.jpa.CallbackRegistryImpl.preUpdate(CallbackRegistryImpl.java:76) [hibernate-entitymanager-4.3.7.Final.jar:4.3.7.Final]
    at org.hibernate.jpa.event.internal.core.JpaFlushEntityEventListener.invokeInterceptor(JpaFlushEntityEventListener.java:67) [hibernate-entitymanager-4.3.7.Final.jar:4.3.7.Final]
    at org.hibernate.event.internal.DefaultFlushEntityEventListener.handleInterception(DefaultFlushEntityEventListener.java:342) [hibernate-core-4.3.7.Final.jar:4.3.7.Final]
    at org.hibernate.event.internal.DefaultFlushEntityEventListener.scheduleUpdate(DefaultFlushEntityEventListener.java:293) [hibernate-core-4.3.7.Final.jar:4.3.7.Final]
    at org.hibernate.event.internal.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:160) [hibernate-core-4.3.7.Final.jar:4.3.7.Final]
    at org.hibernate.event.internal.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:231) [hibernate-core-4.3.7.Final.jar:4.3.7.Final]
    at org.hibernate.event.internal.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:102) [hibernate-core-4.3.7.Final.jar:4.3.7.Final]
    at org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:55) [hibernate-core-4.3.7.Final.jar:4.3.7.Final]
    at org.hibernate.internal.SessionImpl.flush(SessionImpl.java:1222) [hibernate-core-4.3.7.Final.jar:4.3.7.Final]
    at org.hibernate.internal.SessionImpl.managedFlush(SessionImpl.java:425) [hibernate-core-4.3.7.Final.jar:4.3.7.Final]
    at org.hibernate.engine.transaction.synchronization.internal.SynchronizationCallbackCoordinatorNonTrackingImpl.beforeCompletion(SynchronizationCallbackCoordinatorNonTrackingImpl.java:114) [hibernate-core-4.3.7.Final.jar:4.3.7.Final]
    ... 160 more
Caused by: java.lang.IllegalStateException: ARJUNA016082: Synchronizations are not allowed! Transaction status isActionStatus.RUNNING
    at com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.registerSynchronizationImple(TransactionImple.java:375) [narayana-jts-jacorb-5.0.0.Final.jar:5.0.0.Final (revision: 9aa71)]
    at com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.registerSynchronization(TransactionImple.java:352) [narayana-jts-jacorb-5.0.0.Final.jar:5.0.0.Final (revision: 9aa71)]
    at org.jboss.as.weld.services.bootstrap.WeldTransactionServices.registerSynchronization(WeldTransactionServices.java:83) [wildfly-weld-8.2.0.Final.jar:8.2.0.Final]
    ... 184 more

Some possibly interesting observations:
Non transactional CDI event observer (@Observes(during = TransactionPhase.IN_PROGRESS) ...) works.

Transactional CDI event from JPA callback

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