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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3664) BlockManager race when stopping active services
Date Wed, 12 Sep 2012 04:28:10 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3664?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13453696#comment-13453696
] 

Hudson commented on HDFS-3664:
------------------------------

Integrated in Hadoop-Hdfs-trunk-Commit #2786 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk-Commit/2786/])
    HDFS-3664. BlockManager race when stopping active services. Contributed by Colin Patrick
McCabe (Revision 1383753)

     Result = SUCCESS
eli : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1383753
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/blockmanagement/BlockManager.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeManager.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/HeartbeatManager.java

                
> BlockManager race when stopping active services
> -----------------------------------------------
>
>                 Key: HDFS-3664
>                 URL: https://issues.apache.org/jira/browse/HDFS-3664
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 2.0.0-alpha
>            Reporter: Eli Collins
>            Assignee: Colin Patrick McCabe
>             Fix For: 2.0.2-alpha
>
>         Attachments: HDFS-3664.001.patch, HDFS-3664.002.patch
>
>
> Looks like there's a race hit by the test where we try to do block management while shutting
down (eg allocate a block or compute replication work after BlocksMap#close, resulting in
an NPE).

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