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
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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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