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https://issues.apache.org/jira/browse/KAFKA-4369?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15631912#comment-15631912
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Matthias J. Sax commented on KAFKA-4369:
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There is a PR for https://issues.apache.org/jira/browse/KAFKA-4060 already that
should get merged soon, making this JIRA void.
> ZkClient is not closed upon streams shutdown
> --------------------------------------------
>
> Key: KAFKA-4369
> URL: https://issues.apache.org/jira/browse/KAFKA-4369
> Project: Kafka
> Issue Type: Bug
> Components: streams
> Reporter: Ryan P
> Assignee: Guozhang Wang
>
> Kafka Stream's InternalTopicManager creates a new ZkClient but fails to close
> it as part of it's shutdown.
> https://github.com/confluentinc/kafka/blob/v3.0.1/streams/src/main/java/org/apache/kafka/streams/processor/internals/InternalTopicManager.java#L93
> This is likely only an issue when performing testing/debugging where the
> streams application is shutdown but the JVM remains in tact.
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