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https://issues.apache.org/jira/browse/YARN-4452?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15060574#comment-15060574
 ] 

Hudson commented on YARN-4452:
------------------------------

SUCCESS: Integrated in Hadoop-trunk-Commit #8975 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/8975/])
YARN-4452. NPE when submit Unmanaged application. Contributed by (junping_du: 
rev 50bd067e1d63d4c80dc1e7bf4024bfaf42cf4416)
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/metrics/TestSystemMetricsPublisher.java
* hadoop-yarn-project/CHANGES.txt
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/metrics/SystemMetricsPublisher.java


> 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
>         Attachments: YARN-4452.v1.001.patch, YARN-4452.v1.002.patch
>
>
> As reported in the forum by Wen Lin (w...@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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