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https://issues.apache.org/jira/browse/MAPREDUCE-4993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13590290#comment-13590290
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Abhishek Kapoor commented on MAPREDUCE-4993:
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Please explain the use case.
All I can understand is you wrote MR job which is trying to access some jar in 
hdfs and if that the respective jar does not exist the MR-AM is dying with 
above stacktrace?

                
> AM thinks it was killed when an error occurs setting up a task container 
> launch context
> ---------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4993
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4993
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mr-am
>    Affects Versions: 2.0.3-alpha, 0.23.5
>            Reporter: Jason Lowe
>
> If an IOException occurs while setting up a container launch context for a 
> task then the AM exits with a KILLED status and no diagnostics.  The job 
> should be marked as FAILED (or maybe ERROR) with a useful diagnostics message 
> indicating the nature of the error.

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