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From "Arpit Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10552) DiskBalancer "-query" results in NPE if no plan for the node
Date Tue, 21 Jun 2016 01:06:58 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10552?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15340823#comment-15340823
] 

Arpit Agarwal commented on HDFS-10552:
--------------------------------------

+1 pending Jenkins. Will hold off committing for a day or so in case [~eddyxu] has comments.

> DiskBalancer "-query" results in NPE if no plan for the node
> ------------------------------------------------------------
>
>                 Key: HDFS-10552
>                 URL: https://issues.apache.org/jira/browse/HDFS-10552
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode
>    Affects Versions: HDFS-1312
>            Reporter: Lei (Eddy) Xu
>            Assignee: Anu Engineer
>            Priority: Critical
>         Attachments: HDFS-10552-HDFS-1312.001.patch
>
>
> {code}
> 16/06/20 11:50:16 INFO command.Command: Executing "query plan" command.
> java.lang.NullPointerException
> 	at org.apache.hadoop.hdfs.protocol.proto.ClientDatanodeProtocolProtos$QueryPlanStatusResponseProto$Builder.setPlanID(ClientDatanodeProtocolProtos.java:12782)
> 	at org.apache.hadoop.hdfs.protocolPB.ClientDatanodeProtocolServerSideTranslatorPB.queryDiskBalancerPlan(ClientDatanodeProtocolServerSideTranslatorPB.java:340)
> 	at org.apache.hadoop.hdfs.protocol.proto.ClientDatanodeProtocolProtos$ClientDatanodeProtocolService$2.callBlockingMethod(ClientDatanodeProtocolProtos.java:17513)
> 	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:617)
> 	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1073)
> 	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2086)
> 	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2082)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:415)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1693)
> 	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2080)
> {code}



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