[jira] [Commented] (YARN-4452) NPE when submit Unmanaged application

["Jason Lowe (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-4452?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15115514#comment-15115514 ] 

Jason Lowe commented on YARN-4452:
----------------------------------

I recently came across the same type of NPE in a 2.7.3-based build.  The cherry-picks for branch-2.8 and branch-2.7 were performed incorrectly, as if it was using the patch for 2.6.  Only one of the two null checks from the trunk patch were present.  I reverted the original commits and re-picked the trunk patch to branch-2.8 and branch-2.7.

> NPE when submit Unmanaged application
> -------------------------------------
>
>                 Key: YARN-4452
>                 URL: https://issues.apache.org/jira/browse/YARN-4452
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 2.7.1, 2.6.2
>            Reporter: Naganarasimha G R
>            Assignee: Naganarasimha G R
>            Priority: Critical
>             Fix For: 2.8.0, 2.7.3, 2.6.4
>
>         Attachments: YARN-4452-branch-2.6.3.v1.001.patch, YARN-4452.v1.001.patch, YARN-4452.v1.002.patch
>
>
> As reported in the forum by Wen Lin (wlin@pivotal.io)
> {quote}
> [gpadmin@master simple-yarn-app]$ hadoop jar
> ~/hadoop/singlecluster/hadoop/share/hadoop/yarn/hadoop-yarn-applications-unmanaged-am-launcher-2.6.0.3.0.0.0-120.jar
> Client --classpath  ./target/simple-yarn-app-1.1.0.jar -cmd "java
> com.hortonworks.simpleyarnapp.ApplicationMaster /bin/date 2"
> {quote}
> error is coming as 
> {code}
> org.apache.hadoop.yarn.server.resourcemanager.ResourceManager: Error in handling event type REGISTERED for applicationAttempt
> application_1450079798629_0001
> 664 java.lang.NullPointerException
> 665     at
> org.apache.hadoop.yarn.server.resourcemanager.metrics.SystemMetricsPublisher.appAttemptRegistered(SystemMetricsPublisher.java:143)
> 666     at
> org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptImpl$AMRegisteredTransition.transition(RMAppAttemptImpl.java:1365)
> 667     at
> org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptImpl$AMRegisteredTransition.transition(RMAppAttemptImpl.java:1341)
> 668     at
> org.apache.hadoop.yarn.state.StateMachineFactory$SingleInternalArc.doTransition(StateMachineFactory.java:362)
> {code}



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