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https://issues.apache.org/jira/browse/MAPREDUCE-5778?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13922552#comment-13922552
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Jason Lowe commented on MAPREDUCE-5778:
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Personally I'd prefer the original escaping, CR=\r and LF=\n as that's
straightforward to translate back to the original job string. [CR] and [LF]
are non-standard.
> JobSummary does not escape newlines in the job name
> ---------------------------------------------------
>
> Key: MAPREDUCE-5778
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5778
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobhistoryserver
> Affects Versions: 0.23.10, 2.3.0
> Reporter: Jason Lowe
> Assignee: Akira AJISAKA
> Attachments: MAPREDUCE-5778.2.patch, MAPREDUCE-5778.patch
>
>
> JobSummary is not escaping newlines in the job name. This can result in a
> job summary log entry that spans multiple lines when users are expecting
> one-job-per-line output.
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