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https://issues.apache.org/jira/browse/HADOOP-1241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12489084
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Hadoop QA commented on HADOOP-1241:
-----------------------------------
Integrated in Hadoop-Nightly #59 (See
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Nightly/59/)
> Null PointerException in processReport when namenode is restarted
> -----------------------------------------------------------------
>
> Key: HADOOP-1241
> URL: https://issues.apache.org/jira/browse/HADOOP-1241
> Project: Hadoop
> Issue Type: Bug
> Components: dfs
> Reporter: dhruba borthakur
> Assigned To: dhruba borthakur
> Fix For: 0.13.0
>
> Attachments: unregisteredNodeException2.patch
>
>
> INFO org.apache.hadoop.ipc.Server: IPC Server handler 0 on 8020 call error:
> java.io.IOException: java.lang.NullPointerException
> java.io.IOException: java.lang.NullPointerException
> at
> org.apache.hadoop.dfs.FSNamesystem.shouldNodeShutdown(FSNamesystem.java:3341)
> at
> org.apache.hadoop.dfs.FSNamesystem.processReport(FSNamesystem.java:2075)
> at org.apache.hadoop.dfs.NameNode.blockReport(NameNode.java:661)
> at sun.reflect.GeneratedMethodAccessor7.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:339)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:573)
> INFO org.apache.hadoop.dfs.StateChange: BLOCK* NameSystem.registerDatanode:
> node registration from xx.xx.xx.xx:50010 storage DS-355824822
> INFO org.apache.hadoop.dfs.NameNode: BLOCK* NameSystem.registerDatanode: node
> from name: xx.xx.xx.xx:50010
> INFO org.apache.hadoop.net.NetworkTopology: Removing a node:
> /default-rack/xx.xx.xx.xx:50010
> INFO org.apache.hadoop.net.NetworkTopology: Removing a node:
> /default-rack/xx.xx.xx.xx:50010
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