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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7660) BlockReceiver#close() might be called multiple times, which causes the fsvolume reference being released incorrectly.
Date Fri, 23 Jan 2015 11:32:40 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7660?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14289110#comment-14289110
] 

Hudson commented on HDFS-7660:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk #816 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/816/])
HDFS-7660. BlockReceiver#close() might be called multiple times, which causes the fsvolume
reference being released incorrectly. (Lei Xu via yliu) (yliu: rev 5f124efb3e090f96f217bee22f3c8897f9772f14)
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockReceiver.java


> BlockReceiver#close() might be called multiple times, which causes the fsvolume reference
being released incorrectly.
> ---------------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-7660
>                 URL: https://issues.apache.org/jira/browse/HDFS-7660
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 3.0.0
>            Reporter: Lei (Eddy) Xu
>            Assignee: Lei (Eddy) Xu
>            Priority: Minor
>             Fix For: 2.7.0
>
>         Attachments: HDFS-7660.000.patch
>
>
> {{BlockReceiver.close()}} might be called from multiple places, e.g. {{PacketResponder#finalizeBlock}}
and {{BlockReceiver#receiveBlock}}. 
> As a result, {{BlockReceiver#replicaHander}} should be set to {{null}} after release
the resource.



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