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  1. JBoss Transaction Manager
  2. JBTM-2948

NullPointer exception when beforeCompletion callback fails to prepare

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Details

    • Bug
    • Resolution: Done
    • Major
    • 5.7.2.Final
    • 5.7.0.Final
    • Transaction Core, XTS
    • None
    • Hide

      The issue is described in some details under customer case 01952249.
      Reproducer added as testcase as part of the PR.

      Show
      The issue is described in some details under customer case 01952249. Reproducer added as testcase as part of the PR.

    Description

      In case of before completion fails to be processed it happens to be called a handler of preventCompletion. There is potential issue of receiving NullPointerException as rollback is called and there was not created lists (heuristic one in particular) as prepare was not processed.

      This situation could happen in case of trouble of WS-AT XTS of volatile participant.

      Let's look at the stack trace talk.

      First this is a failure of the beforeCompletion

      TRACE [com.arjuna.ats.jta] (executor-2) TransactionImple.getStatus: javax.transaction.Status.STATUS_ACTIVE
      WARN  [com.arjuna.ws.wscf] (executor-1) ARJUNA044067: SynchronizationRecord.beforeCompletion caught exception: com.arjuna.mw.wsas.exceptions.SystemException: com.arjuna.wst.stub.SystemCommunicationException
      	at com.arjuna.mwlabs.wst.at.participants.VolatileTwoPhaseCommitParticipant.beforeCompletion(VolatileTwoPhaseCommitParticipant.java:98)
      	at com.arjuna.mwlabs.wscf.model.twophase.arjunacore.SynchronizationRecord.beforeCompletion(SynchronizationRecord.java:77)
      	at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.beforeCompletion(TwoPhaseCoordinator.java:371)
      	at com.arjuna.mwlabs.wscf.model.twophase.arjunacore.subordinate.SubordinateATCoordinator.prepareVolatile(SubordinateATCoordinator.java:147)
      	at org.jboss.jbossts.xts.bridge.at.BridgeWrapper.prepareVolatile(BridgeWrapper.java:200)
      	at org.jboss.jbossts.txbridge.outbound.BridgeSynchronization.beforeCompletion(BridgeSynchronization.java:57)
      	at com.arjuna.ats.internal.jta.resources.arjunacore.SynchronizationImple.beforeCompletion(SynchronizationImple.java:76)
      	at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.beforeCompletion(TwoPhaseCoordinator.java:371)
      	at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.end(TwoPhaseCoordinator.java:91)
      	at com.arjuna.ats.arjuna.AtomicAction.commit(AtomicAction.java:162)
      	at com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.commitAndDisassociate(TransactionImple.java:1200)
      	at com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.commit(BaseTransaction.java:126)
      	at com.arjuna.ats.jbossatx.BaseTransactionManagerDelegate.commit(BaseTransactionManagerDelegate.java:89)
      	at org.jboss.tm.usertx.client.ServerVMClientUserTransaction.commit(ServerVMClientUserTransaction.java:193)
      
      TRACE [com.arjuna.ats.arjuna] (executor-1) BasicAction::preventCommit( BasicAction: 0:ffffa70a35d8:6cd5ba87:59e51f1b:1d status: ActionStatus.RUNNING)
      WARN  [com.arjuna.ats.arjuna] (executor-1) ARJUNA012125: TwoPhaseCoordinator.beforeCompletion - failed for SynchronizationImple< 0:ffffa70a35d8:6cd5ba87:59e51f1b:22, org.jboss.jbossts.txbridge.outbound.BridgeSynchronization@5b29778 >: java.lang.RuntimeException: BridgeWrapper.prepareVolatile() returned false
      

      as that failure happens we can see the later NullPointer

      WARN  [com.arjuna.ats.arjuna] (executor-1) ARJUNA012089: Top-level abort of action 0:ffffa70a35d8:6cd5ba87:59e51f1b:1d received heuristic decision: TwoPhaseOutcome.HEURISTIC_HAZARD
      WARN  [com.arjuna.ats.jta] (executor-1) ARJUNA016045: attempted rollback of < formatId=131077, gtrid_length=37, bqual_length=36, tx_uid=0:ffffa70a35d8:6cd5ba87:59e51f1b:1c, node_name=csarTst03, branch_uid=0:ffffa70a35d8:6cd5ba87:59e51f1b:1f, subordinatenodename=null, eis_name=unknown eis name > (org.jboss.jbossts.txbridge.outbound.BridgeXAResource@3d67708e) failed with exception code -: java.lang.NullPointerException
      	at com.arjuna.ats.arjuna.coordinator.BasicAction.doAbort(BasicAction.java:3031)
      	at com.arjuna.ats.arjuna.coordinator.BasicAction.doAbort(BasicAction.java:2979)
      	at com.arjuna.ats.arjuna.coordinator.BasicAction.phase2Abort(BasicAction.java:1961)
      	at com.arjuna.mwlabs.wscf.model.twophase.arjunacore.subordinate.SubordinateATCoordinator.rollback(SubordinateATCoordinator.java:240)
      	at org.jboss.jbossts.xts.bridge.at.BridgeWrapper.rollback(BridgeWrapper.java:246)
      	at org.jboss.jbossts.txbridge.outbound.BridgeXAResource.rollback(BridgeXAResource.java:251)
      	at com.arjuna.ats.internal.jta.resources.arjunacore.XAResourceRecord.topLevelAbort(XAResourceRecord.java:369)
      	at com.arjuna.ats.arjuna.coordinator.BasicAction.doAbort(BasicAction.java:3000)
      	at com.arjuna.ats.arjuna.coordinator.BasicAction.doAbort(BasicAction.java:2979)
      	at com.arjuna.ats.arjuna.coordinator.BasicAction.Abort(BasicAction.java:1658)
      	at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.end(TwoPhaseCoordinator.java:99)
      	at com.arjuna.ats.arjuna.AtomicAction.commit(AtomicAction.java:162)
      	at com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.commitAndDisassociate(TransactionImple.java:1200)
      	at com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.commit(BaseTransaction.java:126)
      	at com.arjuna.ats.jbossatx.BaseTransactionManagerDelegate.commit(BaseTransactionManagerDelegate.java:89)
      	at org.jboss.tm.usertx.client.ServerVMClientUserTransaction.commit(ServerVMClientUserTransaction.java:193)
      

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              ochaloup@redhat.com Ondrej Chaloupka (Inactive)
              ochaloup@redhat.com Ondrej Chaloupka (Inactive)
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                Updated:
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