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Posted to dev@kafka.apache.org by "David Judd (JIRA)" <ji...@apache.org> on 2016/11/22 05:16:58 UTC

[jira] [Created] (KAFKA-4431) HeartbeatThread should be a daemon thread

David Judd created KAFKA-4431:
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             Summary: HeartbeatThread should be a daemon thread
                 Key: KAFKA-4431
                 URL: https://issues.apache.org/jira/browse/KAFKA-4431
             Project: Kafka
          Issue Type: Bug
          Components: clients
    Affects Versions: 0.10.1.0
            Reporter: David Judd


We're seeing an issue where an exception inside the main processing loop of a consumer doesn't cause the JVM to exit, as expected (and, in our case, desired). From the thread dump, it appears that what's blocking exit is the "kafka-coordinator-heartbeat-thread", which is not currently a daemon thread. Per the mailing list, it sounds like this is a bug.



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