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From "Heng Chen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-14897) TestTableLockManager.testReapAllTableLocks is flakey
Date Mon, 30 Nov 2015 15:37:11 GMT
Heng Chen created HBASE-14897:
---------------------------------

             Summary: TestTableLockManager.testReapAllTableLocks is flakey
                 Key: HBASE-14897
                 URL: https://issues.apache.org/jira/browse/HBASE-14897
             Project: HBase
          Issue Type: Bug
            Reporter: Heng Chen


It comes from email list which [~stack] post.

This is the some relates QA information.

https://builds.apache.org/view/H-L/view/HBase/job/HBase-Trunk_matrix/512/jdk=latest1.8,label=Hadoop/testReport/org.apache.hadoop.hbase.master/TestTableLockManager/testReapAllTableLocks/

The reason is here.
{code}
    writeLocksObtained.await();
    writeLocksAttempted.await();
{code}

writeLocksAttempted maybe count down to 0 before created node on ZK,  and main thread will
go on to run lockManager.reapWriteLocks(),  And after that node was created on ZK,  so relates
lock acquire will timeout.

I upload a patch which can reproduce this issue.






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