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https://issues.apache.org/jira/browse/YARN-1752?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13913088#comment-13913088
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Hitesh Shah commented on YARN-1752:
-----------------------------------
[~rohithsharma] The fix should be in YARN - by fixing MR, you are just hiding
the problem and not fixing it.
As for the MR AM behaving correctly, you can create a separate jira under
MapReduce and provided the current patch there.
> Unexpected Unregistered event at Attempt Launched state
> -------------------------------------------------------
>
> Key: YARN-1752
> URL: https://issues.apache.org/jira/browse/YARN-1752
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Jian He
> Assignee: Rohith
> Attachments: YARN-1752.1.patch
>
>
> {code}
> 2014-02-21 14:56:03,453 ERROR
> org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptImpl:
> Can't handle this event at current state
> org.apache.hadoop.yarn.state.InvalidStateTransitonException: Invalid event:
> UNREGISTERED at LAUNCHED
> at
> org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:305)
> at
> org.apache.hadoop.yarn.state.StateMachineFactory.access$300(StateMachineFactory.java:46)
> at
> org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine.doTransition(StateMachineFactory.java:448)
> at
> org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptImpl.handle(RMAppAttemptImpl.java:647)
> at
> org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptImpl.handle(RMAppAttemptImpl.java:103)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$ApplicationAttemptEventDispatcher.handle(ResourceManager.java:733)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager$ApplicationAttemptEventDispatcher.handle(ResourceManager.java:714)
> at
> org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:173)
> at
> org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:106)
> at java.lang.Thread.run(Thread.java:695)
> {code}
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