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https://issues.apache.org/jira/browse/HDFS-1776?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13070088#comment-13070088
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Hudson commented on HDFS-1776:
------------------------------

Integrated in Hadoop-Hdfs-trunk-Commit #803 (See 
[https://builds.apache.org/job/Hadoop-Hdfs-trunk-Commit/803/])
    HDFS-1776 Bug in Bug in Concat code. Contributed by Bharath Mundlapudi

molkov : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1150247
Files : 
* 
/hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/namenode/INodeFile.java
* /hadoop/common/trunk/hdfs/CHANGES.txt
* 
/hadoop/common/trunk/hdfs/src/test/unit/org/apache/hadoop/hdfs/server/namenode/TestINodeFile.java


> Bug in Concat code
> ------------------
>
>                 Key: HDFS-1776
>                 URL: https://issues.apache.org/jira/browse/HDFS-1776
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 0.23.0
>            Reporter: Dmytro Molkov
>            Assignee: Bharath Mundlapudi
>             Fix For: 0.23.0
>
>         Attachments: HDFS-1776-1.patch
>
>
> There is a bug in the concat code. Specifically: in INodeFile.appendBlocks() 
> we need to first reassign the blocks list and then go through it and update 
> the INode pointer. Otherwise we are not updating the inode pointer on all of 
> the new blocks in the file.

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