[hibernate-issues] [Hibernate-JIRA] Created: (HSEARCH-1087) Synchronization during JTA afterCompletion() incompatible with Hibernate-Core
Synchronization during JTA afterCompletion() incompatible with Hibernate-Core
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Key: HSEARCH-1087
URL: https://hibernate.onjira.com/browse/HSEARCH-1087
Project: Hibernate Search
Issue Type: Bug
Components: engine
Affects Versions: 4.0.0.Final
Reporter: Eli Colner
Priority: Critical
During synchronization Hibernate Core's SessionImpl.close() calls
org.hibernate.engine.transaction.internal.TransactionCoordinator.close() which in-turns
calls org.hibernate.engine.transaction.internal.TransactionCoordinator.reset(). During
the reset the transactionCoordinator calls
org.hibernate.engine.transaction.internal.SynchronizationRegistry.clearSynchronizations().
The synchronizations list is emptied and nulled. This removes the
BeforeCommitSynchronizationDelegator instance that was registered from
org.hibernate.search.backend.impl.EventSourceTransactionContext.registerSynchronization()
during the JTA transaction. Clearing the synchronization list causes a
ConcurrentModificationException to be thrown from
org.hibernate.search.backend.impl.SynchronizationRegistryImpl.notifySynchronizationsAfterTransactionCompletion()
because it is iterating the synchronization list and at the start it contains two
Synchronization instances in this order (EntityManagerImpl.Synchronization,
BeforeCommitSynchronizationDelegator). So, basically the first Synchronization is
removing the second Synchronization while in a loop...
ARJUNA016029: SynchronizationImple.afterCompletion - failed for
org.hibernate.engine.transaction.synchronization.internal.RegisteredSynchronization@192e31c
with exception
java.util.ConcurrentModificationException
at java.util.LinkedHashMap$LinkedHashIterator.nextEntry(LinkedHashMap.java:373)
at java.util.LinkedHashMap$KeyIterator.next(LinkedHashMap.java:384)
at
org.hibernate.engine.transaction.internal.SynchronizationRegistryImpl.notifySynchronizationsAfterTransactionCompletion(SynchronizationRegistryImpl.java:78)
at
org.hibernate.engine.transaction.internal.TransactionCoordinatorImpl.sendAfterTransactionCompletionNotifications(TransactionCoordinatorImpl.java:335)
at
org.hibernate.engine.transaction.internal.TransactionCoordinatorImpl.afterTransaction(TransactionCoordinatorImpl.java:147)
at
org.hibernate.engine.transaction.synchronization.internal.SynchronizationCallbackCoordinatorImpl.afterCompletion(SynchronizationCallbackCoordinatorImpl.java:126)
at
org.hibernate.engine.transaction.synchronization.internal.RegisteredSynchronization.afterCompletion(RegisteredSynchronization.java:61)
at
com.arjuna.ats.internal.jta.resources.arjunacore.SynchronizationImple.afterCompletion(SynchronizationImple.java:117)
at
com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.afterCompletion(TwoPhaseCoordinator.java:403)
at
com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.end(TwoPhaseCoordinator.java:104)
at com.arjuna.ats.arjuna.AtomicAction.commit(AtomicAction.java:159)
at
com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.commitAndDisassociate(TransactionImple.java:1162)
at
com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.commit(BaseTransaction.java:119)
at
org.springframework.transaction.jta.JtaTransactionManager.doCommit(JtaTransactionManager.java:1010)
at
org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:754)
at
org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:723)
at
org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:393)
at
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:120)
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