[ 
https://issues.apache.org/jira/browse/HDFS-6805?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Srikanth Upputuri reassigned HDFS-6805:
---------------------------------------

    Assignee: Srikanth Upputuri

> NPE is thrown at Namenode , for every block report sent from DN
> ---------------------------------------------------------------
>
>                 Key: HDFS-6805
>                 URL: https://issues.apache.org/jira/browse/HDFS-6805
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: J.Andreina
>            Assignee: Srikanth Upputuri
>
> Env Details :
> HA Cluster
> 2 DN 
> Procedure :
> ===========
> During Client operation is in progress restarted one DN .
> After restart for every block report NPE is thrown at Namenode and DN side.
> Namenode Log:
> =============
> {noformat}
> 2014-08-01 18:24:16,585 WARN org.apache.hadoop.ipc.Server: IPC Server handler 
> 3 on 8020, call 
> org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol.blockReport from 
> 10.18.40.14:38651 Call#7 Retry#0
> java.lang.NullPointerException
>       at 
> org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo.moveBlockToHead(BlockInfo.java:354)
>       at 
> org.apache.hadoop.hdfs.server.blockmanagement.DatanodeStorageInfo.moveBlockToHead(DatanodeStorageInfo.java:242)
>       at 
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.reportDiff(BlockManager.java:1905)
>       at 
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.processReport(BlockManager.java:1772)
>       at 
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.processReport(BlockManager.java:1699)
>       at 
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.blockReport(NameNodeRpcServer.java:1019)
>       at 
> org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolServerSideTranslatorPB.blockReport(DatanodeProtocolServerSideTranslatorPB.java:152)
>       at 
> org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos$DatanodeProtocolService$2.callBlockingMethod(DatanodeProtocolProtos.java:28061)
>       at 
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:585)
>       at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:928)
>       at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2013)
>       at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2009)
>       at java.security.AccessController.doPrivileged(Native Method)
> {noformat}
> Datanode Log:
> ============
> {noformat}
> 2014-08-01 18:34:21,793 WARN org.apache.hadoop.hdfs.server.datanode.DataNode: 
> RemoteException in offerService
> org.apache.hadoop.ipc.RemoteException(java.lang.NullPointerException): 
> java.lang.NullPointerException
>       at 
> org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo.moveBlockToHead(BlockInfo.java:354)
>       at 
> org.apache.hadoop.hdfs.server.blockmanagement.DatanodeStorageInfo.moveBlockToHead(DatanodeStorageInfo.java:242)
>       at 
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.reportDiff(BlockManager.java:1905)
>       at 
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.processReport(BlockManager.java:1772)
>       at 
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.processReport(BlockManager.java:1699)
>       at 
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.blockReport(NameNodeRpcServer.java:1019)
>       at 
> org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolServerSideTranslatorPB.blockReport(DatanodeProtocolServerSideTranslatorPB.java:152)
>       at 
> org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos$DatanodeProtocolService$2.callBlockingMethod(DatanodeProtocolProtos.java:28061)
>       at 
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:585)
>       at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:928)
>       at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2013)
>       at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2009)
>       at java.security.AccessController.doPrivileged(Native Method)
> {noformat}



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Reply via email to