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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-2396) NPE in HMaster.cancelLease
Date Wed, 12 Dec 2007 12:22:45 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-2396?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12550943
] 

Hudson commented on HADOOP-2396:
--------------------------------

Integrated in Hadoop-Nightly #330 (See [http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Nightly/330/])

> NPE in HMaster.cancelLease
> --------------------------
>
>                 Key: HADOOP-2396
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2396
>             Project: Hadoop
>          Issue Type: Bug
>          Components: contrib/hbase
>    Affects Versions: 0.16.0
>            Reporter: Michael Bieniosek
>            Assignee: Jim Kellerman
>            Priority: Minor
>             Fix For: 0.16.0
>
>
> When I shut down the master, one regionserver fails to notify the master that it shut
down:
> 2007-12-10 19:59:17,080 WARN org.apache.hadoop.hbase.HRegionServer: Failed to send exiting
message
>  to master: 
> java.io.IOException: java.io.IOException: java.lang.NullPointerException
>         at org.apache.hadoop.hbase.HMaster.cancelLease(HMaster.java:1463)
>         at org.apache.hadoop.hbase.HMaster.regionServerReport(HMaster.java:1331)
>         at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
>         at java.lang.reflect.Method.invoke(Unknown Source)
>         at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:379)
>         at org.apache.hadoop.ipc.Server$Handler.run(Server.java:596)
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
>         at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
>         at java.lang.reflect.Constructor.newInstance(Unknown Source)
>         at org.apache.hadoop.hbase.RemoteExceptionHandler.decodeRemoteException(RemoteExceptionHan
> dler.java:82)
>         at org.apache.hadoop.hbase.RemoteExceptionHandler.checkIOException(RemoteExceptionHandler.
> java:48)
>         at org.apache.hadoop.hbase.HRegionServer.run(HRegionServer.java:863)
>         at java.lang.Thread.run(Unknown Source)

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