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https://issues.apache.org/jira/browse/KAFKA-4431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15735393#comment-15735393
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ASF GitHub Bot commented on KAFKA-4431:
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GitHub user rajinisivaram opened a pull request:
https://github.com/apache/kafka/pull/2234
KAFKA-4431: Make consumer heartbeat thread a daemon thread
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rajinisivaram/kafka KAFKA-4431
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/2234.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2234
----
commit 08dbb26c94417872b37c10822fb21621f777dca9
Author: Rajini Sivaram <rajinisiva...@googlemail.com>
Date: 2016-12-09T13:57:00Z
KAFKA-4431: Make consumer heartbeat thread a daemon thread
----
> 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
>
> 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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