[jira] [Created] (KAFKA-10792) Source tasks can block herder thread by hanging during stop

["Chris Egerton (Jira)" <ji...@apache.org>]

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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