[jira] [Created] (HBASE-13179) TestMasterObserver deleteTable is flaky

["Matteo Bertozzi (JIRA)" <ji...@apache.org>]

Matteo Bertozzi created HBASE-13179:
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             Summary: TestMasterObserver deleteTable is flaky
                 Key: HBASE-13179
                 URL: https://issues.apache.org/jira/browse/HBASE-13179
             Project: HBase
          Issue Type: Test
          Components: test
    Affects Versions: 0.98.10.1, 1.0.0
            Reporter: Matteo Bertozzi
            Assignee: Matteo Bertozzi
            Priority: Minor
         Attachments: HBASE-13179-v0.patch

TestMasterObserver fails when deleteTable() takes more time to complete the last steps.
{code}
java.lang.AssertionError: Delete table handler should be called.
	at org.junit.Assert.fail(Assert.java:88)
	at org.junit.Assert.assertTrue(Assert.java:41)
	at org.apache.hadoop.hbase.coprocessor.TestMasterObserver.testTableOperations(TestMasterObserver.java:1283)
{code}
The problem is the same as the one in createTable() and it is because the sync version of the Admin operation is not sync, but relies on the last operation on the server e.g. delete meta. 
but the post-operation method of the coprocessor is called after meta is deleted.. 
long story short, the client is not really sync and it will be fixed by HBASE-12439. so for now we should have the same fix we have for createTable which is using a latch.

(note: there are other tests failing for this reason e.g. AccessController, NamespaceAuditor, ... but I'll fix them in another patch since we have already a workaround in TestMasterObserver)



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