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https://issues.apache.org/jira/browse/GEODE-8346?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17154903#comment-17154903
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ASF GitHub Bot commented on GEODE-8346:
---------------------------------------
DonalEvans merged pull request #5359:
URL: https://github.com/apache/geode/pull/5359
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> NonTXEntry.getValue() may throw EntryDestroyedException during CQ execution
> ---------------------------------------------------------------------------
>
> Key: GEODE-8346
> URL: https://issues.apache.org/jira/browse/GEODE-8346
> Project: Geode
> Issue Type: Bug
> Components: cq
> Affects Versions: 1.14.0
> Reporter: Donal Evans
> Assignee: Donal Evans
> Priority: Major
>
> If a region entry is destroyed at the same time that a CQ is executed, there
> exists a race condition where a non-destroyed {{NonTXEntry}} is retrieved
> during iteration of results in {{CompiledSelect.doNestedIterations()}} but is
> marked as destroyed/removed before {{NonTXEntry.getValue()}} is called in
> {{CompiledComparison.evaluate()}}, which results in an
> {{EntryDestroyedException}} being thrown.
> {noformat}
> org.apache.geode.cache.query.CqException: Failed to execute the CQ. CqName:
> testCQ, Query String is: SELECT * FROM /testRegion entry WHERE entry = NULL,
> Error from last server: remote server on
> 10.212.3.32(84004:loner):49205:d737a530: While performing a remote
> createCQfetchInitialResult
> at
> org.apache.geode.cache.query.cq.internal.ClientCQImpl.executeCqOnRedundantsAndPrimary(ClientCQImpl.java:435)
> at
> org.apache.geode.cache.query.cq.internal.ClientCQImpl.executeWithInitialResults(ClientCQImpl.java:303)
> at
> org.apache.geode.cache.query.cq.DonalCQTest.lambda$test$bb17a952$2(DonalCQTest.java:84)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.apache.geode.test.dunit.internal.MethodInvoker.executeObject(MethodInvoker.java:123)
> at
> org.apache.geode.test.dunit.internal.RemoteDUnitVM.executeMethodOnObject(RemoteDUnitVM.java:78)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:357)
> at sun.rmi.transport.Transport$1.run(Transport.java:200)
> at sun.rmi.transport.Transport$1.run(Transport.java:197)
> at java.security.AccessController.doPrivileged(Native Method)
> at sun.rmi.transport.Transport.serviceCall(Transport.java:196)
> at
> sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:573)
> at
> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:834)
> at
> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:688)
> at java.security.AccessController.doPrivileged(Native Method)
> at
> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:687)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: org.apache.geode.cache.client.ServerOperationException: remote
> server on 10.212.3.32(84004:loner):49205:d737a530: While performing a remote
> createCQfetchInitialResult
> at
> org.apache.geode.cache.client.internal.AbstractOp.processChunkedResponse(AbstractOp.java:340)
> at
> org.apache.geode.cache.client.internal.QueryOp$QueryOpImpl.processResponse(QueryOp.java:168)
> at
> org.apache.geode.cache.client.internal.AbstractOp.processResponse(AbstractOp.java:222)
> at
> org.apache.geode.cache.client.internal.AbstractOp.attemptReadResponse(AbstractOp.java:195)
> at
> org.apache.geode.cache.client.internal.AbstractOp.attempt(AbstractOp.java:382)
> at
> org.apache.geode.cache.client.internal.ConnectionImpl.execute(ConnectionImpl.java:283)
> at
> org.apache.geode.cache.client.internal.QueueConnectionImpl.execute(QueueConnectionImpl.java:191)
> at
> org.apache.geode.cache.client.internal.OpExecutorImpl.executeWithPossibleReAuthentication(OpExecutorImpl.java:753)
> at
> org.apache.geode.cache.client.internal.OpExecutorImpl.executeOnQueuesAndReturnPrimaryResult(OpExecutorImpl.java:454)
> at
> org.apache.geode.cache.client.internal.PoolImpl.executeOnQueuesAndReturnPrimaryResult(PoolImpl.java:870)
> at
> org.apache.geode.cache.query.cq.internal.ops.CreateCQWithIROp.execute(CreateCQWithIROp.java:45)
> at
> org.apache.geode.cache.query.cq.internal.ops.ServerCQProxyImpl.createWithIR(ServerCQProxyImpl.java:88)
> at
> org.apache.geode.cache.query.cq.internal.ClientCQImpl.executeCqOnRedundantsAndPrimary(ClientCQImpl.java:404)
> ... 25 more
> Caused by: org.apache.geode.cache.EntryDestroyedException: key
> at
> org.apache.geode.internal.cache.NonTXEntry.basicGetEntry(NonTXEntry.java:65)
> at
> org.apache.geode.internal.cache.NonTXEntry.getValue(NonTXEntry.java:94)
> at
> org.apache.geode.internal.cache.NonTXEntry.getValue(NonTXEntry.java:89)
> at
> org.apache.geode.cache.query.internal.CompiledComparison.evaluate(CompiledComparison.java:91)
> at
> org.apache.geode.cache.query.internal.CompiledSelect.doNestedIterations(CompiledSelect.java:779)
> at
> org.apache.geode.cache.query.internal.CompiledSelect.doNestedIterations(CompiledSelect.java:849)
> at
> org.apache.geode.cache.query.internal.CompiledSelect.doIterationEvaluate(CompiledSelect.java:706)
> at
> org.apache.geode.cache.query.internal.CompiledSelect.evaluate(CompiledSelect.java:548)
> at
> org.apache.geode.cache.query.internal.CompiledSelect.evaluate(CompiledSelect.java:54)
> at
> org.apache.geode.cache.query.internal.DefaultQuery.executeUsingContext(DefaultQuery.java:357)
> at
> org.apache.geode.cache.query.internal.DefaultQuery.execute(DefaultQuery.java:264)
> at
> org.apache.geode.cache.query.internal.DefaultQuery.execute(DefaultQuery.java:197)
> at
> org.apache.geode.internal.cache.tier.sockets.BaseCommandQuery.processQueryUsingParams(BaseCommandQuery.java:122)
> at
> org.apache.geode.internal.cache.tier.sockets.BaseCommandQuery.processQuery(BaseCommandQuery.java:68)
> at
> org.apache.geode.cache.query.cq.internal.command.ExecuteCQ61.cmdExecute(ExecuteCQ61.java:183)
> at
> org.apache.geode.internal.cache.tier.sockets.BaseCommand.execute(BaseCommand.java:183)
> at
> org.apache.geode.internal.cache.tier.sockets.ServerConnection.doNormalMessage(ServerConnection.java:848)
> at
> org.apache.geode.internal.cache.tier.sockets.OriginalServerConnection.doOneMessage(OriginalServerConnection.java:72)
> at
> org.apache.geode.internal.cache.tier.sockets.ServerConnection.run(ServerConnection.java:1212)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at
> org.apache.geode.internal.cache.tier.sockets.AcceptorImpl.lambda$initializeServerConnectionThreadPool$3(AcceptorImpl.java:686)
> at
> org.apache.geode.logging.internal.executors.LoggingThreadFactory.lambda$newThread$0(LoggingThreadFactory.java:119)
> ... 1 more
> {noformat}
> Surrounding the calls to {{NonTXEntry.getValue()}} in
> {{CompiledComparison.evaluate()}} with a try/catch block that handles the
> {{EntryDestroyedException}} will prevent this failure.
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