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From "J.Andreina (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-6805) NPE is thrown at Namenode , for every block report sent from DN
Date Fri, 01 Aug 2014 13:35:38 GMT
J.Andreina created HDFS-6805:
--------------------------------

             Summary: 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


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}



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