Bill Bejeck created KAFKA-8011:
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Summary: Flaky Test RegexSourceIntegrationTest.
Key: KAFKA-8011
URL: https://issues.apache.org/jira/browse/KAFKA-8011
Project: Kafka
Issue Type: Improvement
Components: streams
Reporter: Bill Bejeck
Assignee: Bill Bejeck
The RegexSourceIntegrationTest#testRegexMatchesTopicsAWhenCreated
and RegexSourceIntegrationTest#testRegexMatchesTopicsAWhenDeleted tests use an
ArrayList to assert the topics assigned to the Streams application.
The ConsumerRebalanceListener used in the test operates on this list as does
the TestUtils.waitForCondition() to verify the expected topic assignments.
Using the same list in both places can cause a ConcurrentModficationException
if the rebalance listener modifies the assignment at the same time
TestUtils.waitForCondition() is using the list to verify the expected topics.
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