GaryG wrote: > I've got the JMX running. Again the architecture ran fine for about 3 hours, > then all my topics seemed to stop receiving messages. > > So, here's the situation: > > 1) the producers ARE sending messages and there are no exception from AMQ > API when they're sent. > 2) AMQ Broker is up, and amq logs indicate no exceptions, or any consumers > disconnected > 3) JMX console shows all the expected consumers/producers connected on all > the Topics that I expect to be there. The topics all show status "Active". > THere is no indication of any error. Browsing messages for some of these > topics, I do see some messages, and they are all prior to when the messages > stopped going across. > > 4) Restarting the broker, seems to fix the problem - everyone reconnects > (from code I wrote), and messages are flowing across again. However, this > has not been consistent. As I pointed out in previous posts, sometimes even > doing a broker restart does NOT solve the problem. I've had at least 2 > occurances now where after AMQ broker restart, some topics would start > getting messages again, but not others, and it took multiple restarts to get > things going again. > > Is anyone aware of what kind of failure conditions might cause this scenario > to happen? Is there any way to tell when it happens? Are there exceptions > that might not be getting back to producers/consumers? > > In AMQ log4j settings, i followed the instructions and set the logging level > to DEBUG. but I still don't see logging for actual messages flowing > across...Can someone provide me an example log4j file that might show more > logs and maybe show some exceptions on the broker that i'm not seeing?? > > Any suggestions are appreciated!
We currently have some issues where queues stop delivering. Can you generate a stack dump when it's hung? -- Christopher G. Stach II
