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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-16367) Race between master and region server initialization may lead to premature server abort
Date Sat, 06 Aug 2016 09:21:20 GMT
Ted Yu created HBASE-16367:
------------------------------

             Summary: Race between master and region server initialization may lead to premature
server abort
                 Key: HBASE-16367
                 URL: https://issues.apache.org/jira/browse/HBASE-16367
             Project: HBase
          Issue Type: Bug
            Reporter: Ted Yu
            Assignee: Ted Yu


I was troubleshooting a case where hbase (1.1.2) master always dies shortly after start -
see attached master log snippet.

It turned out that master initialization thread was racing with HRegionServer#preRegistrationInitialization()
(initializeZooKeeper, actually) since HMaster extends HRegionServer.
{code}
    this.oldLogDir = createInitialFileSystemLayout();
    HFileSystem.addLocationsOrderInterceptor(conf);
    LOG.info("creating splitLogManager");
{code}
Execution didn't reach the last log line before region server declared cluster Id being null.



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