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Posted to issues@tez.apache.org by "Siddharth Seth (JIRA)" <ji...@apache.org> on 2015/10/01 01:47:04 UTC
[jira] [Updated] (TEZ-2855) Potential NPE while routing
VertexManager events
[ https://issues.apache.org/jira/browse/TEZ-2855?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Siddharth Seth updated TEZ-2855:
--------------------------------
Summary: Potential NPE while routing VertexManager events (was: NPE while routing events)
> 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.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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