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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6075) HistoryServerFileSystemStateStore can create zero-length files
Date Thu, 11 Sep 2014 11:29:40 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14129909#comment-14129909
] 

Hudson commented on MAPREDUCE-6075:
-----------------------------------

SUCCESS: Integrated in Hadoop-Yarn-trunk #677 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/677/])
MAPREDUCE-6075. HistoryServerFileSystemStateStore can create zero-length files. Contributed
by Jason Lowe (jlowe: rev 7f80e142096ab21b4852635a127589e34a747bc4)
* hadoop-mapreduce-project/CHANGES.txt
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/src/main/java/org/apache/hadoop/mapreduce/v2/hs/HistoryServerFileSystemStateStoreService.java


> HistoryServerFileSystemStateStore can create zero-length files
> --------------------------------------------------------------
>
>                 Key: MAPREDUCE-6075
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6075
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobhistoryserver
>    Affects Versions: 2.3.0
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>             Fix For: 2.6.0
>
>         Attachments: MAPREDUCE-6075.patch
>
>
> When the history server state store writes a token file it uses IOUtils.cleanup() to
close the file which will silently ignore errors.  This can lead to empty token files in the
state store.



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