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https://issues.apache.org/jira/browse/SAMZA-1539?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jake Maes resolved SAMZA-1539.
------------------------------
Resolution: Fixed
Issue resolved by pull request 390
[https://github.com/apache/samza/pull/390]
> KafkaProducer potential hang on close() when task.drop.producer.errors==true
> ----------------------------------------------------------------------------
>
> Key: SAMZA-1539
> URL: https://issues.apache.org/jira/browse/SAMZA-1539
> Project: Samza
> Issue Type: Bug
> Reporter: Jake Maes
> Assignee: Jake Maes
> Fix For: 0.15.0
>
>
> The issue is caused by 2 bad behaviors:
> 1. KafkaProducer.close() does an unbounded thread.join() even when a force
> close (timeout == 0 ms) is specified.
> 2. KafkaSystemProducer.handleSendException() has a synchronized block to
> recreate the producer when task.drop.producer.errors==true. When the IO
> thread is waiting on the synchronized block, it prevents the KafkaProducer
> from joining the IO thread.
> Fixing either one will fix the issue, but we will close this ticket as soon
> as the Samza side is tested and committed.
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