Hi Don-

What version of AMQ are you using? There are a number of possible root causes, and there have been a lot of bugs fixed for problems described as "stuck" messages. If you are able to recreate the issue with a unit test, attach it to the ticket and it will receive attention.

If creating a repeatable unit test isn't an option, I suggest trying the FuseSource latest 5.5.1-xx-xx release. It has many of the bug fixes related to "stuck messages" that haven't been released by the stable Apache version. It is free to download and use.

Available here: http://fusesource.com/products/enterprise-activemq/

Alternatively, try the latest Apache 5.6 snapshot.

Hope this helps!
Matt Pavlovich

On 1/24/12 2:35 PM, Don Hu wrote:
There are numerous reports of similar issues, and it is a credible and critical 
 bug that prevents any serious usages of ActiveMQ in production.

We should vote to push the resolution of this bug ASAP

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