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From "John Vines (JIRA)" <>
Subject [jira] [Created] (ACCUMULO-4513) Master hangs if shutdown requested while in state "HAS_LOCK"
Date Fri, 04 Nov 2016 17:29:58 GMT
John Vines created ACCUMULO-4513:

             Summary: Master hangs if shutdown requested while in state "HAS_LOCK"
                 Key: ACCUMULO-4513
             Project: Accumulo
          Issue Type: Bug
    Affects Versions: 1.7.2, 1.6.6
            Reporter: John Vines
            Priority: Critical

The method does not have any means to change the masters state out of HAS_LOCK
when CLEAN_STOP is requested, which can cause the master to get perpetually stuck

Additionally, because the master never hit the NORMAL state, the main was jammed
at waitForMetadataUpgrade.await() so the thrift server was never started and shutdown couldn't
be issued directly (not entirely confident that would have actually fixed anything though
this is contrary to the the state transition chart which says we can go from HAVE_LOCK->STOP)

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