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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-2245) BlockManager.chooseTarget(..) throws NPE
Date Thu, 11 Aug 2011 00:01:28 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo (Nicholas), SZE updated HDFS-2245:
-----------------------------------------

    Attachment: h2245_20110810.patch

h2245_20110810.patch: fixed the NPE.

> 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
>         Attachments: h2245_20110810.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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