Chris Egerton created KAFKA-10792:
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Summary: Source tasks can block herder thread by hanging during
stop
Key: KAFKA-10792
URL: https://issues.apache.org/jira/browse/KAFKA-10792
Project: Kafka
Issue Type: Bug
Components: KafkaConnect
Affects Versions: 2.5.1, 2.6.0, 2.4.1, 2.5.0, 2.4.0, 2.4.2, 2.7.0
Reporter: Chris Egerton
Assignee: Chris Egerton
If a source task blocks during its {{stop}} method, the herder thread will also
block, which can cause issues with detecting rebalances, reconfiguring
connectors, and other vital functions of a Connect worker.
This occurs because the call to {{SourceTask::stop}} occurs on the herder's
thread, instead of on the source task's own dedicated thread. This can be fixed
by moving the call to {{SourceTask::stop}} onto the source task's dedicated
thread and aligning with the current approach for {{Connector}}s and
{{SinkTask}}s.
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