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Posted to user@hadoop.apache.org by SP <sa...@gmail.com> on 2015/03/17 03:54:08 UTC
got Java.lang.NullPointerException on two node when I restart cluster
Hi,
did any one got these error before, please help
ERROR org.apache.hadoop.hdfs.server.datanode.DataNode:
xxxxx.com:50010:DataXceiver
error processing WRITE_BLOCK operation src: /xxxxxxxx:39000 dst:
/xxxxxx:50010
java.lang.NullPointerException
at
org.apache.hadoop.hdfs.server.datanode.BlockReceiver.<init>(BlockReceiver.java:167)
at
org.apache.hadoop.hdfs.server.datanode.DataXceiver.writeBlock(DataXceiver.java:604)
at
org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opWriteBlock(Receiver.java:126)
at
org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:72)
at
org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:225)
at java.lang.Thread.run(Thread.java:745)
2015-01-11 04:13:21,846 WARN
org.apache.hadoop.hdfs.server.datanode.DataNode: IOException in offerService
WARN org.apache.hadoop.hdfs.server.datanode.DataNode: Slow BlockReceiver
write packet to mirror took 657ms (threshold=300ms)
Thanks