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From Robbie Gemmell <robbie.gemm...@gmail.com>
Subject Re: Qpid JMS client JmsConnection.close() hangs
Date Tue, 22 Nov 2016 17:24:48 GMT
I'm not sure it would relate to those bits, and could well just be a
bug. Can you give a bit more detail around e.g. your uri settings etc.
You might also want to turn up the logging and see if anything stands
out, see http://qpid.apache.org/releases/qpid-jms-0.11.1/docs/index.html#logging.

Robbie

On 21 November 2016 at 10:22, DraCzech <draczech@gmail.com> wrote:
> Hi, I'm currently using ActiveMQ 5.14.1 embedded broker connected from
> several local queues to MS Azure IoT Hub using JmsConnectionFactory as
> foreignConnectionFactory in SimpleJmsQueueConnector. (Using dependency to
> qpid jms client 0.11.1) Each queue is connected to the server via its
> respective bridge and everything seems to be working fine until I want to
> shut down the connection.
>
> If I have network connection, everything is stopped in few seconds. However
> if I lose network connection and call SimpleJmsQueueConnector.stop() method,
> it hangs on its foreignConnection.close() (JmsConnection). It remains stuck
> indefinitely and I have to interrupt the thread responsible for closing of
> the connection. Which unfortunately leads to more problems later as there
> are remains of the connection in the system.
>
> *Part of the thread dump:*
> 2016-11-16 09:35:13.275227      - parking to wait for  <0x42e6bc08> (a
> java.util.concurrent.CountDownLatch$Sync)
> 2016-11-16 09:35:13.275654      at
> java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
> 2016-11-16 09:35:13.276143      at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834)
> 2016-11-16 09:35:13.276631      at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:994)
> 2016-11-16 09:35:13.277058      at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1303)
> 2016-11-16 09:35:13.277577      at
> java.util.concurrent.CountDownLatch.await(CountDownLatch.java:236)
> 2016-11-16 09:35:13.278676      at
> org.apache.qpid.jms.provider.ProviderFuture.sync(ProviderFuture.java:97)
> 2016-11-16 09:35:13.279103      at
> org.apache.qpid.jms.JmsConnection.close(JmsConnection.java:187)
> 2016-11-16 09:35:13.279622      - locked <0x487b1cb8> (a
> org.apache.qpid.jms.JmsQueueConnection)
> 2016-11-16 09:35:13.280018      at
> org.apache.activemq.network.jms.JmsConnector.stop(JmsConnector.java:179)
>
> I believe this problem is tied to the JMS specification and is caused by
> MessageConsumer.receive() waiting on some pending receive. I've found some
> description of the same or similar issue online, but no specific solution
> for it. From what I've read I think the problem might be related to:
>
> http://qpid.2158936.n2.nabble.com/Qpid-JMS-0-9-0-receive-hanging-issue-relates-to-Artemis-works-on-ActiveMQ-td7642585.html
> <http://qpid.2158936.n2.nabble.com/Qpid-JMS-0-9-0-receive-hanging-issue-relates-to-Artemis-works-on-ActiveMQ-td7642585.html>
>
> and
>
> https://issues.apache.org/jira/browse/QPIDJMS-221
> <https://issues.apache.org/jira/browse/QPIDJMS-221>
>
> Could you please tell me if it's possible to set up my messaging in such a
> way which prevents this kind of freeze? How should I defend against this
> kind of problems?
> Thanks!
>
>
>
> --
> View this message in context: http://qpid.2158936.n2.nabble.com/Qpid-JMS-client-JmsConnection-close-hangs-tp7654565.html
> Sent from the Apache Qpid users mailing list archive at Nabble.com.
>
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