[infinispan-issues] [JBoss JIRA] (ISPN-2072) After a write skew check failure applications can't rollback

[Sanne Grinovero (JIRA)]

Sanne Grinovero created ISPN-2072:
-------------------------------------

             Summary: After a write skew check failure applications can't rollback
                 Key: ISPN-2072
                 URL: https://issues.jboss.org/browse/ISPN-2072
             Project: Infinispan
          Issue Type: Bug
          Components: Transactions
    Affects Versions: 5.1.5.CR1
            Reporter: Sanne Grinovero
            Assignee: Mircea Markus
            Priority: Critical
             Fix For: 5.1.5.FINAL


When having this configuration:
{code:xml}
<transaction
        transactionMode="TRANSACTIONAL"
        transactionManagerLookupClass="org.infinispan.transaction.lookup.JBossStandaloneJTAManagerLookup"/>
    <locking isolationLevel="REPEATABLE_READ" writeSkewCheck="true" />
{code}

When a write skew check is failed, the following exception is propagated to the user code:
{quote}
org.infinispan.CacheException: Detected write skew - concurrent removal of entry!
	at org.infinispan.container.entries.RepeatableReadEntry.performLocalWriteSkewCheck(RepeatableReadEntry.java:75)
        at org.infinispan.container.entries.RepeatableReadEntry.copyForUpdate(RepeatableReadEntry.java:52)
	at org.infinispan.container.EntryFactoryImpl.wrapEntryForRemove(EntryFactoryImpl.java:133)
	at org.infinispan.interceptors.EntryWrappingInterceptor.visitRemoveCommand(EntryWrappingInterceptor.java:158)
	at org.infinispan.commands.write.RemoveCommand.acceptVisitor(RemoveCommand.java:72)
	at org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:116)
	at org.infinispan.interceptors.locking.OptimisticLockingInterceptor.visitRemoveCommand(OptimisticLockingInterceptor.java:173)
	at org.infinispan.commands.write.RemoveCommand.acceptVisitor(RemoveCommand.java:72)
{quote}

The use code is catching the exception, and attempts a rollback. The rollback fails with:

{quote}
WARN  [jta] (main) ARJUNA016045: attempted rollback of < formatId=131077, gtrid_length=29, bqual_length=36, tx_uid=0:ffffac11823e:8e2d:4fc39246:2669f, node_name=1, branch_uid=0:ffffac11823e:8e2d:4fc39246:266a4, subordinatenodename=null, eis_name=0 > (TransactionXaAdapter\{localTransaction=LocalXaTransaction\{xid=< formatId=131077, gtrid_length=29, bqual_length=36, tx_uid=0:ffffac11823e:8e2d:4fc39246:2669f, node_name=1, branch_uid=0:ffffac11823e:8e2d:4fc39246:266a4, subordinatenodename=null, eis_name=0 >} LocalTransaction\{remoteLockedNodes=null, isMarkedForRollback=false, transaction=TransactionImple < ac, BasicAction: 0:ffffac11823e:8e2d:4fc39246:2669f status: ActionStatus.ABORTING >, lockedKeys=null, backupKeyLocks=null, viewId=-1} org.infinispan.transaction.xa.LocalXaTransaction at 99a9}) failed with exception code XAException.XAER_NOTA
javax.transaction.xa.XAException
	at org.infinispan.transaction.xa.TransactionXaAdapter.getLocalTransactionAndValidateImpl(TransactionXaAdapter.java:245)
	at org.infinispan.transaction.xa.TransactionXaAdapter.rollback(TransactionXaAdapter.java:134)
	at com.arjuna.ats.internal.jta.resources.arjunacore.XAResourceRecord.topLevelAbort(XAResourceRecord.java:345)
	at com.arjuna.ats.arjuna.coordinator.BasicAction.doAbort(BasicAction.java:2876)
	at com.arjuna.ats.arjuna.coordinator.BasicAction.doAbort(BasicAction.java:2855)
	at com.arjuna.ats.arjuna.coordinator.BasicAction.Abort(BasicAction.java:1618)
	at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.cancel(TwoPhaseCoordinator.java:118)
	at com.arjuna.ats.arjuna.AtomicAction.abort(AtomicAction.java:188)
	at com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.rollbackAndDisassociate(TransactionImple.java:1247)
	at com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.rollback(BaseTransaction.java:134)
{quote}

as in _org.infinispan.transaction.xa.TransactionXaAdapter.getLocalTransactionAndValidateImpl(Xid, XaTransactionTable)_ the operation 
{code}
LocalXaTransaction localTransaction = txTable.getLocalTransaction(xid);{code}
returns *null*.

This happens as the method _org.infinispan.interceptors.TxInterceptor.enlistWriteAndInvokeNext(InvocationContext, WriteCommand)_ is removing a reference to the local transaction on line *218*

I've commented the cleanup line and it fixes my problem, I'm now correctly able to rollback transactions and try again.

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