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https://issues.apache.org/jira/browse/HADOOP-476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12472753
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Hadoop QA commented on HADOOP-476:
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+1, because
http://issues.apache.org/jira/secure/attachment/12350384/Hadoop-476_1.patch
applied and successfully tested against trunk revision r506778.
> Streaming should check for correctness of the task
> --------------------------------------------------
>
> Key: HADOOP-476
> URL: https://issues.apache.org/jira/browse/HADOOP-476
> Project: Hadoop
> Issue Type: Bug
> Components: contrib/streaming
> Reporter: arkady borkovsky
> Assigned To: Arun C Murthy
> Attachments: Hadoop-476.patch, Hadoop-476.patch, Hadoop-476_1.patch
>
>
> Currently, if anythin is wrong with streaming job, it dies without any
> explanation.
> Before creating and running actual MapReduce job, Streaming should check if:
> -- the executables (or scripts) for -mapper and -reducer are available and
> have right permissions
> -- the input fragments exist
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