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https://issues.apache.org/jira/browse/HDFS-3548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13409412#comment-13409412
]
Hudson commented on HDFS-3548:
------------------------------
Integrated in Hadoop-Common-trunk-Commit #2434 (See
[https://builds.apache.org/job/Hadoop-Common-trunk-Commit/2434/])
HDFS-3548. NamenodeFsck.copyBlock fails to create a Block Reader.
Contributed by Colin Patrick McCabe (Revision 1358822)
Result = SUCCESS
eli : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1358822
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/namenode/NamenodeFsck.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/DFSTestUtil.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFsck.java
> NamenodeFsck.copyBlock fails to create a Block Reader
> -----------------------------------------------------
>
> Key: HDFS-3548
> URL: https://issues.apache.org/jira/browse/HDFS-3548
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: name-node
> Affects Versions: 0.23.1, 2.0.0-alpha
> Reporter: Todd Lipcon
> Assignee: Colin Patrick McCabe
> Priority: Critical
> Fix For: 2.0.1-alpha
>
> Attachments: HDFS-3548.001.patch, HDFS-3548.002.patch,
> HDFS-3548.003.patch
>
>
> NamenodeFsck.copyBlock creates a Socket using {{new Socket()}}, and thus that
> socket doesn't have an associated Channel. Then, it fails to create a
> BlockReader since RemoteBlockReader2 needs a socket channel.
> (thanks to Hiroshi Yokoi for reporting)
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