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https://issues.apache.org/jira/browse/MAPREDUCE-6616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15123122#comment-15123122
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Akira AJISAKA commented on MAPREDUCE-6616:
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+1, committing this.
> Fail to create jobhistory file if there are some multibyte characters in the
> job name
> -------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-6616
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6616
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobhistoryserver
> Reporter: Akira AJISAKA
> Assignee: Kousuke Saruta
> Labels: i18n
> Attachments: MAPREDUCE-6616-test.patch, MAPREDUCE-6616.0.patch,
> MAPREDUCE-6616.1.patch
>
>
> When creating jobhistory file, job name is trimmed within 50 characters by
> default, and the name is URL-encoded *after* the job name is trimmed.
> Therefore, if there are some multibyte characters in the job name, the
> encoded job name can be longer than 50 characters. Eventually it can break
> the limit of the file name (Usually 255 characters).
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