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https://issues.apache.org/jira/browse/KAFKA-18418?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ao Li reassigned KAFKA-18418:
-----------------------------
Assignee: Ao Li
> Flaky test in
> KafkaStreamsTest::shouldThrowOnCleanupWhileShuttingDownStreamClosedWithCloseOptionLeaveGroupFalse
> ---------------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-18418
> URL: https://issues.apache.org/jira/browse/KAFKA-18418
> Project: Kafka
> Issue Type: Bug
> Reporter: Ao Li
> Assignee: Ao Li
> Priority: Major
>
> KafkaStreams does not synchronize with CloseThread after shutdown thread
> starts at line
> https://github.com/apache/kafka/blob/c1163549081561cade03bbc6a29bfe6caad332a2/streams/src/main/java/org/apache/kafka/streams/KafkaStreams.java#L1571
> So it is possible for the shutdown helper update the state of the
> KafkaStreams
> (https://github.com/apache/kafka/blob/c1163549081561cade03bbc6a29bfe6caad332a2/streams/src/main/java/org/apache/kafka/streams/KafkaStreams.java#L1530)
> before `waitOnState` is called
> (https://github.com/apache/kafka/blob/c1163549081561cade03bbc6a29bfe6caad332a2/streams/src/main/java/org/apache/kafka/streams/KafkaStreams.java#L1577).
>
> If this happens,
> `KafkaStreamsTest::shouldThrowOnCleanupWhileShuttingDownStreamClosedWithCloseOptionLeaveGroupFalse`
> will fail.
> Please check code https://github.com/aoli-al/kafka/tree/KAFKA-159, and run
> `./gradlew :streams:test --tests
> "org.apache.kafka.streams.KafkaStreamsTest.shouldThrowOnCleanupWhileShuttingDownStreamClosedWithCloseOptionLeaveGroupFalse"`
> to reproduce the failure.
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