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From "Jonathan Hsieh (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-7616) NPE in
Date Thu, 17 Jan 2013 19:48:23 GMT
Jonathan Hsieh created HBASE-7616:
-------------------------------------

             Summary: NPE in 
                 Key: HBASE-7616
                 URL: https://issues.apache.org/jira/browse/HBASE-7616
             Project: HBase
          Issue Type: Sub-task
            Reporter: Jonathan Hsieh
            Assignee: Jonathan Hsieh


In a unit test run we saw this in an unrelated test.  (testReplication)

{code}
2013-01-15 13:07:47,337 DEBUG [pool-1-thread-1-EventThread] zookeeper.ZKUtil(1611): master:32835-0x13c4009e99f0003
Retrieved 28 byte(s) of data from znode /1/shutdown and set watcher; Tue Jan 15 13:07:47 PST
2013
2013-01-15 13:07:47,339 ERROR [pool-1-thread-1-EventThread] zookeeper.ClientCnxn$EventThread(521):
Error while calling watcher 
java.lang.NullPointerException
	at org.apache.hadoop.hbase.procedure.ZKProcedureCoordinatorRpcs$1.nodeCreated(ZKProcedureCoordinatorRpcs.java:168)
	at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:294)
	at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:519)
	at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:495)
{code}

This is likely due to an initialization race.


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