New subject: [JBoss JIRA] (ISPN-2408) Apply state results in ClassCastException due to context not being transactional

Monday, 15 October 2012

Adrian Nistor created ISPN-2408:
-----------------------------------

             Summary: Apply state results in ClasCastException due to context not being
transactional
                 Key: ISPN-2408
                 URL: https://issues.jboss.org/browse/ISPN-2408
             Project: Infinispan
          Issue Type: Bug
          Components: State transfer
    Affects Versions: 5.2.0.Beta2
            Reporter: Adrian Nistor
            Assignee: Adrian Nistor
            Priority: Blocker
             Fix For: 5.2.0.CR1

The putIfAbsent command executed for applying state received from neighbours during state
transfer used to be done with SKIP_LOCKING flag in 5.2.Beta1.

Considering that putIfAbsent cannot provide sufficient guarantees without locking I
removed the SKIP_LOCKING flag in 5.2.Beta2.

Unfortunately this means that the non-Tx remote context we use for apply state is no
longer suitable. PessimisticLockingInterceptor expects a transactional context and this
causes all puts to fail and log an exception. State transfer is basically not able to
transfer any data for pessimistic caches.

A quick workaround is to put back SKIP_LOCKING from where it was removed. See line 298:
https://github.com/infinispan/infinispan/blob/7ee1ce5a186928b740f4cf9f375...

But this workaround is not correct. SKIP_LOCKING may cause uncertain results with
putIfAbsent.

{noformat}
2012-10-15 19:46:35,680 WARN  [StateConsumerImpl] (OOB-1,ISPN,NodeC-26225) ISPN000016:
Problem org.infinispan.context.impl.NonTxInvocationContext cannot be cast to
org.infinispan.context.impl.TxInvocationContext encountered when applying state for key
MagicKey{hashcode=153290881, address='NodeA-9763'}!
2012-10-15 19:46:35,680 TRACE [InvocationContextInterceptor] (OOB-1,ISPN,NodeC-26225)
Invoked with command PutKeyValueCommand{key=MagicKey{hashcode=-764090028,
address='NodeA-9763'}, value=MagicKey{hashcode=-764090028,
address='NodeA-9763'}, flags=[CACHE_MODE_LOCAL, SKIP_SHARED_CACHE_STORE,
SKIP_OWNERSHIP_CHECK, IGNORE_RETURN_VALUES, SKIP_XSITE_BACKUP], putIfAbsent=true,
lifespanMillis=-1, maxIdleTimeMillis=-1} and InvocationContext
[org.infinispan.context.impl.NonTxInvocationContext@625cb0bb]
2012-10-15 19:46:35,680 ERROR [InvocationContextInterceptor] (OOB-1,ISPN,NodeC-26225)
ISPN000136: Execution error
java.lang.ClassCastException: org.infinispan.context.impl.NonTxInvocationContext cannot be
cast to org.infinispan.context.impl.TxInvocationContext
	at
org.infinispan.interceptors.locking.PessimisticLockingInterceptor.visitPutKeyValueCommand(PessimisticLockingInterceptor.java:114)
	at
org.infinispan.commands.write.PutKeyValueCommand.acceptVisitor(PutKeyValueCommand.java:77)
	at
org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:118)
	at
org.infinispan.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:132)
	at
org.infinispan.commands.AbstractVisitor.visitPutKeyValueCommand(AbstractVisitor.java:63)
	at
org.infinispan.commands.write.PutKeyValueCommand.acceptVisitor(PutKeyValueCommand.java:77)
	at
org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:118)
	at
org.infinispan.interceptors.TxInterceptor.enlistWriteAndInvokeNext(TxInterceptor.java:212)
	at
org.infinispan.interceptors.TxInterceptor.visitPutKeyValueCommand(TxInterceptor.java:150)
	at
org.infinispan.commands.write.PutKeyValueCommand.acceptVisitor(PutKeyValueCommand.java:77)
	at
org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:118)
	at
org.infinispan.statetransfer.StateTransferInterceptor.handleTopologyAffectedCommand(StateTransferInterceptor.java:203)
	at
org.infinispan.statetransfer.StateTransferInterceptor.handleWriteCommand(StateTransferInterceptor.java:189)
	at
org.infinispan.statetransfer.StateTransferInterceptor.visitPutKeyValueCommand(StateTransferInterceptor.java:135)
	at
org.infinispan.commands.write.PutKeyValueCommand.acceptVisitor(PutKeyValueCommand.java:77)
	at
org.infinispan.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:118)
	at
org.infinispan.interceptors.InvocationContextInterceptor.handleAll(InvocationContextInterceptor.java:129)
	at
org.infinispan.interceptors.InvocationContextInterceptor.handleDefault(InvocationContextInterceptor.java:93)
	at
org.infinispan.commands.AbstractVisitor.visitPutKeyValueCommand(AbstractVisitor.java:63)
	at
org.infinispan.commands.write.PutKeyValueCommand.acceptVisitor(PutKeyValueCommand.java:77)
	at org.infinispan.interceptors.InterceptorChain.invoke(InterceptorChain.java:347)
	at
org.infinispan.statetransfer.StateConsumerImpl.doApplyState(StateConsumerImpl.java:306)
	at org.infinispan.statetransfer.StateConsumerImpl.applyState(StateConsumerImpl.java:264)
	at
org.infinispan.statetransfer.StateResponseCommand.perform(StateResponseCommand.java:86)
	at
org.infinispan.remoting.InboundInvocationHandlerImpl.handleInternal(InboundInvocationHandlerImpl.java:95)
	at
org.infinispan.remoting.InboundInvocationHandlerImpl.handleWithWaitForBlocks(InboundInvocationHandlerImpl.java:110)
	at
org.infinispan.remoting.InboundInvocationHandlerImpl.handle(InboundInvocationHandlerImpl.java:82)
	at
org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher.executeCommandFromLocalCluster(CommandAwareRpcDispatcher.java:244)
	at
org.infinispan.remoting.transport.jgroups.CommandAwareRpcDispatcher.handle(CommandAwareRpcDispatcher.java:217)
	at org.jgroups.blocks.RequestCorrelator.handleRequest(RequestCorrelator.java:483)
	at org.jgroups.blocks.RequestCorrelator.receiveMessage(RequestCorrelator.java:390)
	at org.jgroups.blocks.RequestCorrelator.receive(RequestCorrelator.java:248)
	at org.jgroups.blocks.MessageDispatcher$ProtocolAdapter.up(MessageDispatcher.java:604)
	at org.jgroups.JChannel.up(JChannel.java:670)
	at org.jgroups.stack.ProtocolStack.up(ProtocolStack.java:1020)
	at org.jgroups.protocols.FRAG2.up(FRAG2.java:181)
	at org.jgroups.protocols.FC.up(FC.java:479)
	at org.jgroups.protocols.pbcast.GMS.up(GMS.java:896)
	at org.jgroups.protocols.pbcast.STABLE.up(STABLE.java:244)
	at org.jgroups.protocols.UNICAST2.handleDataReceived(UNICAST2.java:736)
	at org.jgroups.protocols.UNICAST2.up(UNICAST2.java:414)
	at org.jgroups.protocols.pbcast.NAKACK2.up(NAKACK2.java:601)
	at org.jgroups.protocols.Discovery.up(Discovery.java:359)
	at org.jgroups.protocols.TP.passMessageUp(TP.java:1293)
	at org.jgroups.protocols.TP$IncomingPacket.handleMyMessage(TP.java:1856)
	at org.jgroups.protocols.TP$IncomingPacket.run(TP.java:1829)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:662)
{noformat}

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[JBoss JIRA] (ISPN-2408) Apply state results in ClasCastException due to context not being transactional