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From SP <sajid...@gmail.com>
Subject Datanode Error
Date Fri, 13 Mar 2015 16:58:30 GMT
Hi All,


I am seeing these errors in my datanode logs. I see a case HDFS-2906 is
still open in

https://issues.apache.org/jira/browse/HDFS-2906

Did got fixed?


did any one got these error and resolved it? can you please share any info


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

SP

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