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https://issues.apache.org/jira/browse/MAPREDUCE-3661?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Matthew updated MAPREDUCE-3661:
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Attachment: mapreduce-3661-fix.diff
> JvmManager dies on windows because it doesn't have process IDs
> --------------------------------------------------------------
>
> Key: MAPREDUCE-3661
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3661
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: task-controller
> Affects Versions: 1.0.0
> Environment: Windows+cygwin
> Reporter: Jonathan Matthew
> Attachments: mapreduce-3661-fix.diff
>
>
> JvmManager.kill() throws a NumberFormatException on Windows because it
> doesn't have process IDs, so it passes the default empty string (set in
> Child.main apparently) to Integer.parseInt(). This causes the task tracker
> to shut down.
> I'm guessing the child can't send null (rather than "") as its pid to the
> parent, so the parent should treat the empty string the same as null when
> processing the pid string.
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