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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3505) DirectoryScanner does not join all threads in shutdown
Date Wed, 06 Jun 2012 21:07:23 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3505?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13290405#comment-13290405
] 

Hudson commented on HDFS-3505:
------------------------------

Integrated in Hadoop-Common-trunk-Commit #2327 (See [https://builds.apache.org/job/Hadoop-Common-trunk-Commit/2327/])
    HDFS-3505. DirectoryScanner does not join all threads in shutdown. Contributed by Colin
Patrick McCabe (Revision 1347117)

     Result = SUCCESS
eli : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1347117
Files : 
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DirectoryScanner.java

                
> DirectoryScanner does not join all threads in shutdown
> ------------------------------------------------------
>
>                 Key: HDFS-3505
>                 URL: https://issues.apache.org/jira/browse/HDFS-3505
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.0.0-alpha
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>            Priority: Minor
>             Fix For: 2.0.1-alpha
>
>         Attachments: HDFS-3505.001.patch
>
>
> DirectoryScanner does not join all the threads it spawned during DirectoryScanner#shutdown.
> This can lead to rare failures in TestDirectoryScanner when some threads linger past
their designated expiration date and cause interference between different test runs.
> The fix is to call ExecutorService#awaitTermination.

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