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https://issues.apache.org/jira/browse/MAPREDUCE-5267?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Maysam Yabandeh updated MAPREDUCE-5267:
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    Attachment: MAPREDUCE-5267.patch

The attached patch puts two try/catch clause to allow the search in the clean 
method to continue despite the probable IO failures. I am working on a proper 
unit test.
                
> History server should be more robust when cleaning old jobs
> -----------------------------------------------------------
>
>                 Key: MAPREDUCE-5267
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5267
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: jobhistoryserver
>    Affects Versions: 0.23.7, 2.0.4-alpha
>            Reporter: Jason Lowe
>         Attachments: MAPREDUCE-5267.patch
>
>
> Ran across a situation where an admin user had accidentally created a 
> directory in one of the date directories under /mapred/history/done/ that was 
> not readable by the historyserver user.  That effectively prevented the 
> history server from cleaning any jobs from that date forward, as it hit an 
> IOException trying to scan the directory and that aborted the entire clean 
> process.
> The history server should localize IOException handling to the directory/file 
> being processed and move on to the next entry in the list rather than 
> aborting the entire cleaning process.

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