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https://issues.apache.org/jira/browse/MAPREDUCE-343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13054860#comment-13054860
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Harsh J commented on MAPREDUCE-343:
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What should the statistics be like?
Something simple like {{Reason: N Tasks Failed}} or fairly more complex
including exception names and such?
> Failed jobs should report the reason of failure on the web ui
> -------------------------------------------------------------
>
> Key: MAPREDUCE-343
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-343
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Reporter: Amar Kamat
>
> From user's perspective it is difficult to detect why the job failed . Users
> might need to go through the jobtracker logs or task attempts list to see why
> the job failed. It would be good to show the reason on the job web ui.
> Something like
> {code}
> User: bob
> Job Name: example
> Job File: hdfs://location/job.xml
> Status: Failed
> Reason : Map/Reduce task # 47 failed x number of times.
> {code}
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