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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-9349) [0.92] NPE in HMaster during shutdown
Date Tue, 27 Aug 2013 05:24:52 GMT
Andrew Purtell created HBASE-9349:
-------------------------------------

             Summary: [0.92] NPE in HMaster during shutdown
                 Key: HBASE-9349
                 URL: https://issues.apache.org/jira/browse/HBASE-9349
             Project: HBase
          Issue Type: Bug
    Affects Versions: 0.92.3
            Reporter: Andrew Purtell
            Assignee: Andrew Purtell
            Priority: Minor


Found this in a run of TestWALObserver:

{noformat}
java.lang.NullPointerException
	at org.apache.hadoop.hbase.master.HMaster.shutdown(HMaster.java:1510)
	at org.apache.hadoop.hbase.util.JVMClusterUtil.shutdown(JVMClusterUtil.java:226)
	at org.apache.hadoop.hbase.LocalHBaseCluster.shutdown(LocalHBaseCluster.java:424)
	at org.apache.hadoop.hbase.MiniHBaseCluster.shutdown(MiniHBaseCluster.java:417)
	at org.apache.hadoop.hbase.HBaseTestingUtility.shutdownMiniHBaseCluster(HBaseTestingUtility.java:607)
	at org.apache.hadoop.hbase.HBaseTestingUtility.shutdownMiniCluster(HBaseTestingUtility.java:583)
	at org.apache.hadoop.hbase.coprocessor.TestWALObserver.teardownAfterClass(TestWALObserver.java:111)
{noformat}

if the active master in the minicluster is terminated before fully initialized. Needs null
checks in HMaster#shutdown.

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