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From "David Judd (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KAFKA-4431) HeartbeatThread should be a daemon thread
Date Wed, 14 Dec 2016 19:12:58 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-4431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15749174#comment-15749174
] 

David Judd commented on KAFKA-4431:
-----------------------------------

Awesome, thanks!

> 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
>            Assignee: Rajini Sivaram
>             Fix For: 0.10.1.1, 0.10.2.0
>
>
> 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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