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From "Tanping Wang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-1653) Block received is sent with invalid DatanodeRegistration
Date Fri, 25 Feb 2011 19:26:21 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1653?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12999487#comment-12999487
] 

Tanping Wang commented on HDFS-1653:
------------------------------------

     [exec] -1 overall.  
     [exec] 
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec] 
     [exec]     -1 tests included.  The patch doesn't appear to include any new or modified
tests.
     [exec]                         Please justify why no new tests are needed for this patch.
     [exec]                         Also please list what manual steps were performed to verify
this patch.
     [exec] 
     [exec]     +1 javadoc.  The javadoc tool did not generate any warning messages.
     [exec] 
     [exec]     +1 javac.  The applied patch does not increase the total number of javac compiler
warnings.
     [exec] 
     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs warnings.
     [exec] 
     [exec]     +1 release audit.  The applied patch does not increase the total number of
release audit warnings.
     [exec] 
     [exec]     +1 system tests framework.  The patch passed system tests framework compile.


Not tests added as current tests (pretty much all MiniDFSCluster based) need this change to
send block received and is
tested as a part of many tests.


>  Block received is sent with invalid DatanodeRegistration 
> ----------------------------------------------------------
>
>                 Key: HDFS-1653
>                 URL: https://issues.apache.org/jira/browse/HDFS-1653
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: data-node
>    Affects Versions: Federation Branch
>            Reporter: Tanping Wang
>            Assignee: Tanping Wang
>             Fix For: Federation Branch
>
>         Attachments: HDFS-1653.patch
>
>
> When sending block received bpRegistration should be used.  Also when datanode shutsdown,
if there are no namenode threads created, a null pointer exception is thrown.

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