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From "Vinay (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-5890) Avoid NPE in Datanode heartbeat
Date Wed, 05 Feb 2014 11:58:09 GMT
Vinay created HDFS-5890:
---------------------------

             Summary: Avoid NPE in Datanode heartbeat
                 Key: HDFS-5890
                 URL: https://issues.apache.org/jira/browse/HDFS-5890
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: datanode
            Reporter: Vinay
            Assignee: Vinay


Avoid NPE in datanode heartbeat messages.

{noformat}2014-02-05 17:24:11,347 WARN org.apache.hadoop.ipc.Server: IPC Server handler 5
on 9000, call org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol.sendHeartbeat from 10.18.40.32:13299
Call#1721 Retry#0: error: java.lang.NullPointerException
java.lang.NullPointerException
	at org.apache.hadoop.hdfs.protocolPB.PBHelper.convertRollingUpgradeStatus(PBHelper.java:1460)
	at org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolServerSideTranslatorPB.sendHeartbeat(DatanodeProtocolServerSideTranslatorPB.java:124)
	at org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos$DatanodeProtocolService$2.callBlockingMethod(DatanodeProtocolProtos.java:27704)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:605)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:932)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2048){noformat}



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