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https://issues.apache.org/jira/browse/HADOOP-2396?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jim Kellerman updated HADOOP-2396:
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Fix Version/s: 0.16.0
> 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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