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https://issues.apache.org/jira/browse/HBASE-7616?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Hsieh updated HBASE-7616:
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Attachment: hbase-7616.v2.patch
> NPE in ZKProcedureCoordinator$1.nodeCreated
> -------------------------------------------
>
> Key: HBASE-7616
> URL: https://issues.apache.org/jira/browse/HBASE-7616
> Project: HBase
> Issue Type: Sub-task
> Components: snapshots
> Affects Versions: hbase-7290
> Reporter: Jonathan Hsieh
> Assignee: Jonathan Hsieh
> Fix For: hbase-7290
>
> Attachments: hbase-7616.patch, hbase-7616.v2.patch
>
>
> In a unit test run we saw this in an unrelated test. (testReplication)
> {code}
> 2013-01-15 13:07:47,337 DEBUG [pool-1-thread-1-EventThread]
> zookeeper.ZKUtil(1611): master:32835-0x13c4009e99f0003 Retrieved 28 byte(s)
> of data from znode /1/shutdown and set watcher; Tue Jan 15 13:07:47 PST 2013
> 2013-01-15 13:07:47,339 ERROR [pool-1-thread-1-EventThread]
> zookeeper.ClientCnxn$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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