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https://issues.apache.org/jira/browse/MAPREDUCE-1983?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12893573#action_12893573
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Balaji Rajagopalan commented on MAPREDUCE-1983:
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Instead of restarting the whole cluster you can restart just the job tracket
using restartDaemon with role as JT, else the code looks good.
> [Herriot] Test linux task controller with invalid information in conf.
> ----------------------------------------------------------------------
>
> Key: MAPREDUCE-1983
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1983
> Project: Hadoop Map/Reduce
> Issue Type: Task
> Components: test
> Reporter: Vinay Kumar Thota
> Assignee: Vinay Kumar Thota
> Attachments: 1983-ydist-security.patch
>
>
> This case is about scenarios where the taskcontroller file is absent, or
> contains incorrect values for mapred.local.dir.Submit a job and verify
> whether job fails or not.
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