You can use JConsole to browse the JMX beans to see which consumers are connected to your queue, which may help you figure out if you do have multiple consumers. The web console will show you some of that information, but there's far more info in the JMX beans so I'd strongly recommend using JConsole.
BTW, is there any chance your messages are expiring due to JMSExpiration before they can be consumed? Tim On Feb 9, 2016 8:03 PM, "Clebert Suconic" <clebert.suco...@gmail.com> wrote: > You didn't provide much information about the ActiveMQ's configuration. > > Your issue seems to be on ActiveMQ? I'm a bit confused TBH. > > > (Have you considered Artemis?, but anyways, it's a bit confused on > what you were trying to achieve and where you're having issues). > > On Tue, Feb 9, 2016 at 9:13 PM, mhemple <mhem...@gmail.com> wrote: > > Hi all, > > > > I have a JBoss web application that is currently using embedded HornetQ > for > > JMS. We want to switch to an ActiveMQ HA cluster, but I'm running into > some > > strange issues. One of my queues (periodicDerivationQueue) is not > behaving > > as it does with HornetQ. The AMQ console shows that messages are > enqueued > > and dequeued, but they are not making it to my consumer. At first, I > > assumed that the messages were dequeuing into the DLQ for some reason, > but > > that doesn't seem to be the case. As I understand it, AMQ will not > create > > the DLQ unless it is necessary. When I look at the broker there is no > DLQ. > > How can I figure out where my messages are going? > > > > I'm also having trouble debugging from the app side of the stack due to > > reflection. I'd like to set a breakpoint on the AMQ side to see whats > > happening with my messages, but I'm not sure where to put it. Any ideas > > here? > > > > Could this be a serialization issue? I've heard that sometimes > differences > > in serialization between JMS brokers can lead to strange behavior. > > > > I'm really stuck here and any help would be appreciated. See config info > > below. > > > > Wildfly 8.2 > > AMQ 5.13 > > > > ActiveMQ > > > > > > Standalone.xml (Jboss) > > > > > > > > > > > > > > > > HornetQ > > > > > > Standalone.xml (Jboss) > > > > > > > > > > > > > > -- > > View this message in context: > http://activemq.2283324.n4.nabble.com/Messages-dequeued-but-not-consumed-tp4707380.html > > Sent from the ActiveMQ - User mailing list archive at Nabble.com. > > > > -- > Clebert Suconic >
