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From "Vinay (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5890) Avoid NPE in Datanode heartbeat
Date Thu, 06 Feb 2014 02:24:09 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13892929#comment-13892929
] 

Vinay commented on HDFS-5890:
-----------------------------

Thank you Brandon

> 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
>         Attachments: HDFS-5890.patch
>
>
> 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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