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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-2245) BlockManager.chooseTarget(..) throws NPE
Date Wed, 10 Aug 2011 22:57:27 GMT
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


{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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