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From ElwoodJones <anouska.stre...@gmail.com>
Subject Re: ActiveMQ and Camel Polling Consumer Thread Leak
Date Tue, 30 Apr 2013 22:00:32 GMT
Yeah, thanks, I'll do that tomorrow, however after some work today I'm
pretty sure this is a camel issue rather than activemq. When I replace the
use of the Camel consumer template with the spring JmsTemplate the problem
goes away.

Cheers
On 30 Apr 2013 15:47, "ceposta [via ActiveMQ]" <
ml-node+s2283324n4666461h73@n4.nabble.com> wrote:

> Want to wrap this up into a test case so I can look at it on my side?
>
>
> On Tue, Apr 30, 2013 at 5:22 AM, ElwoodJones <[hidden email]<http://user/SendEmail.jtp?type=node&node=4666461&i=0>>wrote:
>
>
> > Hi There,
> >
> > I've been banging my head against an issue for a while now. I have a JCA
> > that picks messages up from a tcp socket, puts them onto a queue and
> then a
> > consumer within the same JCA consumes them based upon a selector as
> below:
> >
> > Exchange receive =
> >
> >
> consumer.receive("activemq:queue:testQueue.response?selector=JMSCorrelationID
>
> > = '" + returnQueue + "'"",
> >                         responseTimeout);
> >                         TestMessage response = receive == null ? null :
> > (TestMessage)receive.getIn().getBody();
> >                         consumer.doneUoW(receive);
> >
> > The issue I have is that everytime this runs it leaves a TCP Transport
> and
> > ActiveMQ Connection Thread behind, as you can imagine after a while
> running
> > at peak load I get OutOfMemoryExceptions due to the number of running
> > threads.
> >
> > I am using the Camel ConsumerTemplate, this is set in my Spring config
> as
> > follows:
> >
> > <camelContext id="camelContext" trace="true"
> > xmlns="http://camel.apache.org/schema/spring">
> >                 <consumerTemplate id="consumerTemplate"/>
> >                 <template id="producerTemplate" />
> >         </camelContext>
> >
> > So as per
> >
> >
> https://cwiki.apache.org/CAMEL/why-does-camel-use-too-many-threads-with-producertemplate.html
> > I am not creating a new consumer template each time.
> >
> > I have tried wrapping the receive() in consumer.start() and
> consumer.stop()
> > and this makes no difference. I am running the following versions:
> >
> > Camel - 2.10.2
> > ActiveMQ - 5.4.3 (I have tried the above with 5.6.0 and 5.7.1 and it
> makes
> > no difference)
> > Spring - 3.0.2
> >
> > Does anyone have any idea what could be causing these threads to leak?
> >
> > Many Thanks
> > Elwood
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > --
> > View this message in context:
> >
> http://activemq.2283324.n4.nabble.com/ActiveMQ-and-Camel-Polling-Consumer-Thread-Leak-tp4666456.html
> > Sent from the ActiveMQ - User mailing list archive at Nabble.com.
> >
>
>
>
> --
> *Christian Posta*
> http://www.christianposta.com/blog
> twitter: @christianposta
>  http://www.christianposta.com/blog
>
>
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