Thank for your info.I suspect it's related with transaction send. We send 200 messages in a transaction for performance gain, there is a old related jira,https://issues.apache.org/jira/browse/AMQ-2594. I will take a closer look at this.
Thanks, SuoNayi At 2013-07-11 17:03:26,guerra <jg.gue...@gmail.com> wrote: >I had the same problem on 5.5.1 for a single consumer. For some weird reason >messages poked into the broker within ~200ms or less, they came out in >different order as they came in. I had to fix it from the producer side >delaying ordered messages be sent one per second. Since that, the consumer >receives the messages in order as they should and it working nicely since >more than a year. >I made some test on 5.6.0 and it seems okay, but I can not guarantee that >because a very l imitated text fixtures were performed. > > > > >-- >View this message in context: >http://activemq.2283324.n4.nabble.com/Messages-are-out-of-order-accidentally-tp4668968p4669125.html >Sent from the ActiveMQ - User mailing list archive at Nabble.com.