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https://issues.apache.org/jira/browse/HADOOP-1750?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12522648
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Doug Cutting commented on HADOOP-1750:
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I believe it works, but I'm still confused. I thought you'd told me that if
you never call process.getInputStream() then Java doesn't buffer the input, but
instead directs it to /dev/null, so that the process never blocks. Is that
wrong?
> We should log better if something goes wrong with the process fork
> ------------------------------------------------------------------
>
> Key: HADOOP-1750
> URL: https://issues.apache.org/jira/browse/HADOOP-1750
> Project: Hadoop
> Issue Type: Improvement
> Components: mapred
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Fix For: 0.14.1
>
> Attachments: copy-err.patch
>
>
> Currently, if something goes wrong with bash, the user only gets the error
> code out. In the case of error result, we should copy the stdout and stderr
> from the bash process to the user logs.
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