Null Pointer execption in blockreceiver
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Key: HDFS-2906
URL: https://issues.apache.org/jira/browse/HDFS-2906
Project: Hadoop HDFS
Issue Type: Bug
Components: data-node
Affects Versions: 0.23.0
Reporter: Brahma Reddy Battula
Stared with two DN's and one DN is keep on restarting while write inprogress
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2012-02-07 01:03:45,897 ERROR org.apache.hadoop.hdfs.server.datanode.DataNode:
HOST-10-18-40-23:50010:DataXceiver error processing WRITE_BLOCK operation src:
/10.18.40.20:23862 dest: /10.18.40.23:50010
java.lang.NullPointerException
at
org.apache.hadoop.hdfs.server.datanode.BlockReceiver.<init>(BlockReceiver.java:151)
at
org.apache.hadoop.hdfs.server.datanode.DataXceiver.writeBlock(DataXceiver.java:340)
at
org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opWriteBlock(Receiver.java:98)
at
org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:66)
at
org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:167)
at java.lang.Thread.run(Thread.java:619)
2012-02-07 01:03:46,083 INFO org.apache.hadoop.hdfs.server.common.Storage:
Locking is disabled
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