Was this issue ever resolved? I am seeing this as well with a large number of concurrent consumers. Same symptoms. Lost messages until broker restart.
Thanks, Elliot chrajanirao wrote: > > We are seeing issues with ActiveMQ 5.1 and 5.2 RC2 with message > dispatching from queues. It is easily reproducible even using the out of > the box activemq configuration. > > Send messages to the a queue (QueueA) using multiple threads (10 or 20 > thread in a loop of 10) using JMeter or your custom code. Have the > consumer setup using spring DMLC (DefaultMessageListenerContainer) or with > regular JMS API sync or async consumption with multiple consumers. > Consumer part can be configured using Camel to consumer from QueueA and > put the messages in QueueB within ActiveMQ configuration as well. > > After receiving some messages (the number is different each time), the > consumers stop receiving any messages even though there are some left on > the queue. Basically, the broker don't dispatch the messages and they are > stuck until restart of the broker. Any new messages sent to the queue > after this are sometimes dispatched and other times they are stuck too. > > This certainly seems like a major bug in the dispatch mechanism. I have > found below posts that state the exact problem. > > http://www.nabble.com/Pending-Messages-are-shown-in-ActiveMQ-td20241332.html > > http://www.nabble.com/Consumer-Listener-stop-receving-message-until-ActiveMQ-restart-td20355247.html > > This is a very basic use case and I wonder how the version 5.1 is > currently used in production, if anyone is using at all. > > We tried with prefetch limit as 1, asyncDispatch as true and false, > session transacted as true and false. In all cases, the dispatch problem > still exists starting after 100 messages until 1000 messages. > > I hope any of the active commiters looks into this issue seriously. Would > really appreciate the help. > > Thanks, > Rajani. > -- View this message in context: http://old.nabble.com/Stuck-messages---Dispatch-issues-tp20467949p27664135.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.
