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From Andrés de la Peña (JIRA) <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-13965) SecondaryIndexManagerTest.assert[Not]MarkedAsBuilt produces flaky tests
Date Wed, 18 Oct 2017 15:20:00 GMT
Andrés de la Peña created CASSANDRA-13965:
---------------------------------------------

             Summary: SecondaryIndexManagerTest.assert[Not]MarkedAsBuilt produces flaky tests
                 Key: CASSANDRA-13965
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13965
             Project: Cassandra
          Issue Type: Bug
          Components: Secondary Indexes, Testing
            Reporter: Andrés de la Peña
            Assignee: Andrés de la Peña
            Priority: Minor
             Fix For: 4.x


The methods [{{SecondaryIndexManagerTest.assertMarkedAsBuilt}}|https://github.com/apache/cassandra/blob/trunk/test/unit/org/apache/cassandra/index/SecondaryIndexManagerTest.java#L554-L557]
and [{{SecondaryIndexManagerTest.assertNotMarkedAsBuilt}}|https://github.com/apache/cassandra/blob/trunk/test/unit/org/apache/cassandra/index/SecondaryIndexManagerTest.java#L559-L562]
produce occasional test failures. 

These methods assume that there aren't any other indexes in the {{system.IndexInfo}} table
than those created by the calling test. However, it is possible to find indexes built for
other tests (not only {{SecondaryIndexManagerTest}}) that rely on {{CQLTester.afterTest}}
to cleanup to drop their created indexes, because this method is asynchronous. So, it is possible
to reach the {{SecondaryIndexManagerTest.assert(Not)MarkedAsBuilt}} calls before the indexes
created by the previous test have been cleaned up.



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