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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6636) [0.92 UNIT TESTS] TestMasterZKSessionRecovery.testRegionAssignmentAfterMasterRecoveryDueToZKExpiry failed in 0.92 #513 and #496
Date Wed, 22 Aug 2012 23:44:42 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6636?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13439950#comment-13439950
] 

stack commented on HBASE-6636:
------------------------------

Trying to backport HBASE-5549.  It removes the test just before the failing one (because its
useless).  This test kills the master.  The failing test is failing because it can't find
newly launched master... fails with connection refused.  HBASE-5549 also has improvements
around finding new active master in cluster and does other clean up in tests around zk usage.
                
> [0.92 UNIT TESTS] TestMasterZKSessionRecovery.testRegionAssignmentAfterMasterRecoveryDueToZKExpiry
failed in 0.92 #513 and #496
> -------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-6636
>                 URL: https://issues.apache.org/jira/browse/HBASE-6636
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.92.1
>            Reporter: stack
>            Assignee: stack
>            Priority: Critical
>
> The test class TestMasterZKSessionRecovery has been removed in trunk.  Its master tests
were moved elsewhere or removed because useless (See nkeywal reasoning over in HBASE-5572
"KeeperException.SessionExpiredException management could be improved in Master"; it was actually
removed by HBASE-5549 "Master can fail if ZooKeeper session expires").
> TestMasterZKSessionRecovery in 0.92 and 0.94 has an extra test that was not in trunk,
the sporadically failing testRegionAssignmentAfterMasterRecoveryDueToZKExpiry.  This was added
by "HBASE-6046
> Master retry on ZK session expiry causes inconsistent region assignments".

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