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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2245) BlockManager.chooseTarget(..) throws NPE
Date Thu, 11 Aug 2011 05:45:27 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2245?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13082939#comment-13082939
] 

Hudson commented on HDFS-2245:
------------------------------

Integrated in Hadoop-Common-trunk-Commit #724 (See [https://builds.apache.org/job/Hadoop-Common-trunk-Commit/724/])
    HDFS-2245. Fix a NullPointerException in BlockManager.chooseTarget(..).

szetszwo : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1156490
Files : 
* /hadoop/common/trunk/hdfs/CHANGES.txt
* /hadoop/common/trunk/hdfs/src/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
* /hadoop/common/trunk/hdfs/src/test/hdfs/org/apache/hadoop/hdfs/TestFileCreation.java


> BlockManager.chooseTarget(..) throws NPE
> ----------------------------------------
>
>                 Key: HDFS-2245
>                 URL: https://issues.apache.org/jira/browse/HDFS-2245
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>             Fix For: 0.23.0
>
>         Attachments: h2245_20110810.patch, h2245_20110810b.patch
>
>
> {noformat}
> 2011-08-10 20:20:51,350 INFO org.apache.hadoop.ipc.Server: IPC Server handler 1 on 8020,
call: addBlock(/user/had
> oopqa/passwd.1108102020.<NN hostname>.txt, DFSClient_NONMAPREDUCE_1875954430_1,
null, null), rpc
>  version=1, client version=68, methodsFingerPrint=-1239577025 from <gateway>:38874,
error:
> java.io.IOException: java.lang.NullPointerException
>         at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.chooseTarget(BlockManager.java:1225)
>         at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1455)
>         at org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:786)
>         ...
> {noformat}

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