In JMX, can you see the subscriptions? Are they growing at all? Are the
numbers of subscriptions consistent with the numbers expected?
One thing that may help - check the stack traces on the broker and clients.
Things to look for: are there consumer threads active on the clients? Is
the broker actively attempting to send messages.
I took a brief look at the trace, and it seems to indicate the clients are
broker are both processing, but it would require a more thorough review of
the code and the log messages to be sure just what information they have to
offer.
Another thing to try: once flow stops, add another consumer, preferrably a
plain JMS client that simply reports what it receives. If such a consumer
receives messages, that points to a problem specific to the existing
consumers. If such a consumer does not receive messages, that points to a
problem with dispatching.
I would love to dig into this in more depth. Just not sure I have the time
at the moment.
By the way - are there any other symptoms which seem out of place, but which
may not appear related?
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