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Posted to issues@hbase.apache.org by "Nick Dimiduk (Jira)" <ji...@apache.org> on 2020/03/14 01:10:00 UTC

[jira] [Created] (HBASE-23985) [flakey test] TestZooKeeper

Nick Dimiduk created HBASE-23985:
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             Summary: [flakey test] TestZooKeeper
                 Key: HBASE-23985
                 URL: https://issues.apache.org/jira/browse/HBASE-23985
             Project: HBase
          Issue Type: Test
          Components: test
    Affects Versions: 3.0.0
            Reporter: Nick Dimiduk
         Attachments: TEST-org.apache.hadoop.hbase.TestZooKeeper.xml

I observed a test failure in {{TestZooKeeper#testMasterSessionExpired}} on my local rig. On a casual read of the logs from {{testMasterSessionExpired}}, it appears we have a faulty assumption related to master MTTR; the master abort is logged ~1250ms after ZK session close, which seems entirely too fast to me. Once the master aborts, the damage is done and the test cannot recover.

The first re-run passes. Surefire does not keep logs of successful tests, so I don't know the timing between events in the successful run.



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