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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