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
Priority: Minor
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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