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https://issues.apache.org/jira/browse/MAPREDUCE-3688?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13845696#comment-13845696
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Steve Loughran commented on MAPREDUCE-3688:
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having a quick look at this patch, if its trying to print the exception details
to stdout, then the {{e.toString()}} value should be printed too -the
{{Throwable.printStackTrace()}} does the trace but not the exception body
> Need better Error message if AM is killed/throws exception
> ----------------------------------------------------------
>
> Key: MAPREDUCE-3688
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3688
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mr-am, mrv2
> Affects Versions: 0.23.1
> Reporter: David Capwell
> Assignee: Sandy Ryza
> Fix For: 0.23.2
>
> Attachments: mapreduce-3688-h0.23-v01.patch,
> mapreduce-3688-h0.23-v02.patch
>
>
> We need better error messages in the UI if the AM gets killed or throws an
> Exception.
> If the following error gets thrown:
> java.lang.NumberFormatException: For input string: "9223372036854775807l" //
> last char is an L
> then the UI should say this exception. Instead I get the following:
> Application application_1326504761991_0018 failed 1 times due to AM Container
> for appattempt_1326504761991_0018_000001
> exited with exitCode: 1 due to: Exception from container-launch:
> org.apache.hadoop.util.Shell$ExitCodeException
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