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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