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https://issues.apache.org/jira/browse/YARN-3883?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14612857#comment-14612857
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Devaraj K commented on YARN-3883:
---------------------------------

It is occurring due to this reason,

While creating ApplicationReport as part of 
ClientRMService.getApplicationReport(), It is setting YarnApplicationState as 
FINISHED even when the RMAppState is in FINISHING to the application report. 
Diagnostics is not available when the RMAppState is FINISHING and it is setting 
to RMAppImpl during the AppFinishedTransition when it is moving to FINISHED 
state.

> YarnClient.getApplicationReport() doesn't not give diagnostics for the 
> FINISHED state applications some times 
> --------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-3883
>                 URL: https://issues.apache.org/jira/browse/YARN-3883
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.7.0
>            Reporter: Devaraj K
>
> YarnClient.getApplicationReport() doesn't not give diagnostics for the 
> FINISHED state applications some times 
> Below one is the report from the YarnClient.getApplicationReport(), It 
> doesn't show the diagnostics for the application which has FinalStatus as 
> FAILED and YarnApplicationState as FINISHED.
> {code:xml}
> 15/07/03 15:53:27 INFO yarn.Client:
>          client token: N/A
>          diagnostics: N/A
>          ApplicationMaster host: XX.XXX.XX.XX
>          ApplicationMaster RPC port: 0
>          queue: default
>          start time: 1435918986890
>          final status: FAILED
>          tracking URL: 
> http://stobdtserver2:8088/proxy/application_1435848120635_0015/
>          user: root
> {code}
> But we can see the Diagnostics information in the RM Web UI for the same 
> application.
> {code:xml}
> YarnApplicationState: FINISHED
> Queue:        default
> FinalStatus Reported by AM:   FAILED
> Started:      Fri Jul 03 15:53:06 +0530 2015
> Elapsed:      20sec
> Tracking URL: History
> Log Aggregation Status        DISABLED
> Diagnostics:  User class threw exception: java.lang.NumberFormatException: 
> For input string: "xxxxxxxxxx"
> {code}



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