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https://issues.apache.org/jira/browse/KAFKA-1521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14052056#comment-14052056
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Bravesh Mistry commented on KAFKA-1521:
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Here is confirmation from [~guozhang] :
Guozhang Wang <wangg...@gmail.com> Thu, Jul 3, 2014 at 3:47 PM
To: Bhavesh Mistry <mistry.p.bhav...@gmail.com>
This is indeed an issue. Could you file a jira?
On Thu, Jul 3, 2014 at 3:43 PM, Bhavesh Mistry <mistry.p.bhav...@gmail.com>
wrote:
Hi Guozhang,
Is this expected ? Should I file an issue ? Or if this is know issue.
Thanks,
Bhavesh
On Thu, Jul 3, 2014 at 11:40 AM, Bhavesh Mistry
<mistry.p.bhav...@gmail.com> wrote:
Hi Guozhang,
Thank you for your quick response.
This is version 0.8.0 producer package kafka.javaapi.producer.Producer.
Thanks,
Bhavesh
On Thu, Jul 3, 2014 at 11:04 AM, Guozhang Wang <wangg...@gmail.com>
wrote:
Hi Bhavesh,
Is this the new producer under clients or the original producer
under core?
Guozhang
> Producer Graceful Shutdown issue in Container (Kafka version 0.8.x.x)
> ---------------------------------------------------------------------
>
> Key: KAFKA-1521
> URL: https://issues.apache.org/jira/browse/KAFKA-1521
> Project: Kafka
> Issue Type: Bug
> Components: producer
> Affects Versions: 0.8.0, 0.8.1.1
> Environment: Tomcat Container or Any other J2EE container
> Reporter: Bravesh Mistry
> Assignee: Jun Rao
> Priority: Minor
>
> Hi Kafka Team,
> We are running multiple webapps in tomcat container, and we have producer
> which are managed by the ServletContextListener (Lifecycle). Upon
> contextInitialized we create and on contextDestroyed we call the
> producer.close() but underlying Metric Lib does not shutdown. So we have
> thread leak due to this issue. I had to call
> Metrics.defaultRegistry().shutdown() to resolve this issue. is this know
> issue ? I know the metric lib have JVM Shutdown hook, but it will not be
> invoke since the contain thread is un-deploying the web app and class loader
> goes way and leaking thread does not find the under lying Kafka class.
> Because of this tomcat, it not shutting down gracefully.
> Are you guys planing to un-register metrics when Producer close is called or
> shutdown Metrics pool for client.id ?
> Here is logs:
> SEVERE: The web application [ ] appears to have started a thread named
> [metrics-meter-tick-thread-1] but has failed to stop it. This is very likely
> to create a memory leak.
> SEVERE: The web application [] appears to have started a thread named
> [metrics-meter-tick-thread-2] but has failed to stop it. This is very likely
> to create a memory leak.
> Thanks,
> Bhavesh
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