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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-1315) when HRS znode expires while HRS is still running, HRS enters infinite loop
Date Tue, 07 Apr 2009 17:12:13 GMT
when HRS znode expires while HRS is still running, HRS enters infinite loop
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                 Key: HBASE-1315
                 URL: https://issues.apache.org/jira/browse/HBASE-1315
             Project: Hadoop HBase
          Issue Type: Bug
    Affects Versions: 0.20.0
            Reporter: Andrew Purtell


See HBASE-1314. In addition, the HRS will indefinitely try to check in even though it is getting
back LeaseStillHeld exceptions. Both the master and HRS logs are, after a few hours, filled
with thousands of these:

>From the HRS log

2009-04-07 10:17:46,136 ERROR org.apache.hadoop.hbase.regionserver.HRegionServer: Exceeded
max retries: 10
org.apache.hadoop.hbase.Leases$LeaseStillHeldException
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
        at org.apache.hadoop.hbase.RemoteExceptionHandler.decodeRemoteException(RemoteExceptionHandler.java:94)
        at org.apache.hadoop.hbase.RemoteExceptionHandler.checkThrowable(RemoteExceptionHandler.java:48)
        at org.apache.hadoop.hbase.RemoteExceptionHandler.checkIOException(RemoteExceptionHandler.java:66)
        at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:493)
        at java.lang.Thread.run(Thread.java:619)

They come in to the log about 4 times per second. 


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