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https://issues.apache.org/jira/browse/CASSANDRA-13965?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16209535#comment-16209535
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Andrés de la Peña commented on CASSANDRA-13965:
-----------------------------------------------
[Here|https://github.com/apache/cassandra/compare/trunk...adelapena:13965-trunk]
is a patch modifying the methods to only verify the presence/absence in
{{system.IndexInfo}} table of the index of interest.
> 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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