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https://issues.apache.org/jira/browse/KAFKA-4510?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias J. Sax updated KAFKA-4510:
-----------------------------------
Status: Patch Available (was: In Progress)
> StreamThread must finish rebalance in state PENDING_SHUTDOWN
> ------------------------------------------------------------
>
> Key: KAFKA-4510
> URL: https://issues.apache.org/jira/browse/KAFKA-4510
> Project: Kafka
> Issue Type: Bug
> Components: streams
> Reporter: Matthias J. Sax
> Assignee: Matthias J. Sax
>
> If a Streams application runs with multiple threads within one JVM and the
> application gets stopped. this can triggers a rebalance when the first
> threads finishes processing because not all thread shut down at the same time.
> Because we try to reuse tasks, on rebalance task are not closed immediately
> in order for a potential reuse (if a task gets assigned the its original
> thread). However, if a thread is in state {{PENDING_SHUTDOWN}} it does finish
> the rebalance operation completely and thus does not release the suspended
> task and the application exits with not all locks released.
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