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https://issues.apache.org/jira/browse/TEZ-2855?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Siddharth Seth updated TEZ-2855:
--------------------------------
Attachment: TEZ-2855.3.branch7.txt
TEZ-2855.3.branch6.txt
Patches for branch-0.7 and branch-0.6
> Potential NPE while routing VertexManager events
> ------------------------------------------------
>
> Key: TEZ-2855
> URL: https://issues.apache.org/jira/browse/TEZ-2855
> Project: Apache Tez
> Issue Type: Bug
> Affects Versions: 0.5.0
> Reporter: Siddharth Seth
> Assignee: Siddharth Seth
> Priority: Critical
> Attachments: 2855log.gz, TEZ-2855.1.txt, TEZ-2855.2.txt,
> TEZ-2855.3.branch6.txt, TEZ-2855.3.branch7.txt, TEZ-2855.3.txt
>
>
> Observed while running against 0.8.0-alpha. This will likely affect 0.7 as
> well - that'll be known after debugging.
> {code}
> 2015-09-24T12:13:42,675 ERROR [Dispatcher thread: Central]
> common.AsyncDispatcher: Error in dispatcher thread
> java.lang.NullPointerException
> at
> org.apache.tez.dag.app.dag.impl.VertexImpl.handleRoutedTezEvents(VertexImpl.java:4429)
> ~[TezAppJar.jar:0.8.0-alpha]
> at
> org.apache.tez.dag.app.dag.impl.VertexImpl.access$4000(VertexImpl.java:203)
> ~[TezAppJar.jar:0.8.0-alpha]
> at
> org.apache.tez.dag.app.dag.impl.VertexImpl$RouteEventTransition.transition(VertexImpl.java:4175)
> ~[TezAppJar.jar:0.8.0-alpha]
> at
> org.apache.tez.dag.app.dag.impl.VertexImpl$RouteEventTransition.transition(VertexImpl.java:4167)
> ~[TezAppJar.jar:0.8.0-alpha]
> at
> org.apache.hadoop.yarn.state.StateMachineFactory$MultipleInternalArc.doTransition(StateMachineFactory.java:385)
> ~[hadoop-yarn-common-2.6.0.jar:?]
> at
> org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:302)
> ~[hadoop-yarn-common-2.6.0.jar:?]
> at
> org.apache.hadoop.yarn.state.StateMachineFactory.access$300(StateMachineFactory.java:46)
> ~[hadoop-yarn-common-2.6.0.jar:?]
> at
> org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine.doTransition(StateMachineFactory.java:448)
> ~[hadoop-yarn-common-2.6.0.jar:?]
> at
> org.apache.tez.state.StateMachineTez.doTransition(StateMachineTez.java:57)
> ~[TezAppJar.jar:0.8.0-alpha]
> at org.apache.tez.dag.app.dag.impl.VertexImpl.handle(VertexImpl.java:1906)
> ~[TezAppJar.jar:0.8.0-alpha]
> at org.apache.tez.dag.app.dag.impl.VertexImpl.handle(VertexImpl.java:202)
> ~[TezAppJar.jar:0.8.0-alpha]
> at
> org.apache.tez.dag.app.DAGAppMaster$VertexEventDispatcher.handle(DAGAppMaster.java:2069)
> ~[TezAppJar.jar:0.8.0-alpha]
> at
> org.apache.tez.dag.app.DAGAppMaster$VertexEventDispatcher.handle(DAGAppMaster.java:2055)
> ~[TezAppJar.jar:0.8.0-alpha]
> at org.apache.tez.common.AsyncDispatcher.dispatch(AsyncDispatcher.java:183)
> [tez-common-0.8.0-alpha.jar:0.8.0-alpha]
> at org.apache.tez.common.AsyncDispatcher$1.run(AsyncDispatcher.java:114)
> [tez-common-0.8.0-alpha.jar:0.8.0-alpha]
> at java.lang.Thread.run(Thread.java:745) [?:1.8.0_40]
> 2015-09-24T12:13:42,681 INFO [HistoryEventHandlingThread]
> impl.SimpleHistoryLoggingService: Writing event TASK_ATTEMPT_FINISHED to
> history file
> {code}
> Looks like the VertexManager was null.
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