Thanks for your answer Martyn. Really useful.
Alexis http://www.jtips.info, http://blog.alexis-hassler.com <http://www.lyonjug.org> 2016-05-05 16:22 GMT+02:00 Martyn Taylor <mtay...@redhat.com>: > Hi Alexis, > > The onMessage() method (when invoked outside of an container) would be > called outside the boundaries of a transaction. I see you are using > XASession in the test you provided. When onMessage() is called, and a > message consumed, with an XASession, it would be done so with an ack mode > equal to XA in the session, but with no XA transaction started. This means > the consumed message is essentially orphaned (not associated with any > transaction). The JMS spec does not state what to do in this case as this > shouldn't really happen, the XASession should only ever be used within the > context of a Tx. If an orphaned message does happen, with Artemis > XASession, Artemis will associate the message with the next transaction. > This is a consequence of how we have optimised acking messages. But would > likely behave differently with different providers. As the spec isn't > specific. > > I'm not sure what your use case is, but if you're trying to achieve MDB > like behaviour outside an application server. It might be worth looking at > this: http://activemq.apache.org/jca-container.html. > > I hope this helps. > > Regards > Martyn > > > > On Wed, May 4, 2016 at 12:33 PM, Alexis Hassler <alexis.hass...@gmail.com> > wrote: > > > Hi, > > > > Lately, I've sent a PR to the Narayana project in order to support JTA > > transactions in JMS MessageListener. > > > > In this PR, I started a JTA transaction in the onMessage method. The PR > > will be rejected because starting the transaction in the onMessage is too > > late : the message has already been dequeued. > > > > My problem is that the integration test (with artemis) passes, and I > don't > > understand why. > > > > Can anyone explain me why it works, and how which test I can do to prove > > that the solution is not relevant ? > > > > Here is the PR : https://github.com/jbosstm/narayana/pull/1004 > > And the MessageListener is here : > > > > > https://github.com/hasalex/narayana/blob/master/ArjunaJTA/jms/src/main/java/org/jboss/narayana/jta/jms/MessageListenerProxy.java > > > > Thanks for your help, > > > > Alexis > > http://www.jtips.info, http://blog.alexis-hassler.com, > > http://www.mix-it.fr > > >
