FYI... When we switched over to 5.2... we did not face this problem. Looks like a bug in 5.1 version.
Thanks all of you for your suggestions! Norbert Pfistner-2 wrote: > > We also experience stuck messages in activemq 5.1, slow consumers an > jdbc persistance. > > Searching for the reason and/or solution to this problem i stumbled last > week on this blog entry: > > http://kovyrin.net/2009/01/23/activemq-tips-flow-control-and-stalled-producers-problem/ > > So we set up our testing environmen with activemq 5.2 (which should fix > several other problams like the annoying broken stats in > jconsole/webconsole), turned off flow control and redurced the queu > prefetch size to 0. > > Well up to now no message got stuck. > > Maybe it's also usefull for your environnment. > > If it helps I'd be thankful for a short response on this > us...@activemq.apache.org. > > Greetings, > > Norbert > > > bwtaylor schrieb: >> We experience this problem as well. It's a very serious issue, and I hope >> it >> gets some attention. We don't have test code that can reproduce it, as it >> seems intermittent. We can reproduce it when we get lucky by jamming a >> lot >> of messages into queues with slow consumers. We've seen it with single or >> multiple consumers. Typically we're using camel to consume the messages. >> >> When we've seen this occur, using jconsole shows that the inflight count >> remains low, indicating the stuck messages are not being dispatched. The >> messages are in the database, so like others, bouncing the broker >> restores >> the problem. We did manage to capture a heap dump during the failure. We >> tried to inspect this, but didn't get much out of it. We're currently on >> activemq 5.1. We started to try the 5.3 snapshot to see if we could >> reproduce it with 5.3, but because of the oracle master/slave breakage I >> just reported in the dev mailing list, that version doesn't work for us >> at >> the moment. > > -- View this message in context: http://www.nabble.com/Messages-Stuck-in-the-queue%28with-the-broker%29-tp24589627p24931896.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.
