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From "Vinayakumar B (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-6590) NullPointerException was generated in getBlockLocalPathInfo when datanode restarts
Date Tue, 04 Nov 2014 07:37:34 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6590?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinayakumar B resolved HDFS-6590.
---------------------------------
    Resolution: Duplicate

Closing as duplicate

> NullPointerException was generated in getBlockLocalPathInfo when datanode restarts
> ----------------------------------------------------------------------------------
>
>                 Key: HDFS-6590
>                 URL: https://issues.apache.org/jira/browse/HDFS-6590
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode
>    Affects Versions: 2.2.0
>            Reporter: Guo Ruijing
>
> 2014-06-11 20:34:40.240119, p43949, th140725562181728, ERROR cannot setup block reader
for Block: [block pool ID: BP-1901161041-172.28.1.251-1402542341112 block ID 1073741926_1102]
on Datanode: sdw3(172.28.1.3).
> RpcHelper.h: 74: HdfsIOException: Unexpected exception: when unwrap the rpc remote exception
""java.lang.NullPointerException"", java.lang.NullPointerException
> at org.apache.hadoop.hdfs.server.datanode.DataNode.getBlockLocalPathInfo(DataNode.java:1014)
> at org.apache.hadoop.hdfs.protocolPB.ClientDatanodeProtocolServerSideTranslatorPB.getBlockLocalPathInfo(ClientDatanodeProtocolServerSideTranslatorPB.java:112)
> at org.apache.hadoop.hdfs.protocol.proto.ClientDatanodeProtocolProtos$ClientDatanodeProtocolService$2.callBlockingMethod(ClientDatanodeProtocolProtos.java:6373)
> at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:585)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:928)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2048)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2044)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:415)
> at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1491)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2042)



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