[jira] [Updated] (HBASE-9349) [0.92] NPE in HMaster during shutdown

["Andrew Purtell (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-9349?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Purtell updated HBASE-9349:
----------------------------------

    Attachment: 9349.patch
    
> [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
>         Attachments: 9349.patch
>
>
> 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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