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https://issues.apache.org/jira/browse/KAFKA-12726?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ryanne Dolan resolved KAFKA-12726.
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Resolution: Fixed
Closing as duplicate.
> misbehaving Task.stop() can prevent other Tasks from stopping
> -------------------------------------------------------------
>
> Key: KAFKA-12726
> URL: https://issues.apache.org/jira/browse/KAFKA-12726
> Project: Kafka
> Issue Type: Bug
> Components: KafkaConnect
> Affects Versions: 2.8.0
> Reporter: Ryanne Dolan
> Assignee: Ryanne Dolan
> Priority: Minor
>
> We've observed a misbehaving Task fail to stop in a timely manner (e.g. stuck
> in a retry loop). Despite Connect supporting a property
> task.shutdown.graceful.timeout.ms, this is currently not enforced – tasks can
> take as long as they want to stop, and the only consequence is an error
> message.
> We've seen a Worker's "task-count" metric double following a rebalance, which
> we think is due to Tasks not getting cleaned up when Task.stop() is stuck.
> While the Connector implementation is ultimately to blame here – a Task
> probably shouldn't loop forever in stop() – we believe the Connect runtime
> should handle this situation more gracefully.
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