"timfox" wrote : You are more than likely running out of memory. | | You won't see the warning any more - it has been removed. | | You should get an OutOfMemoryError in the logs using the Sun VM, although I have found that for some people running on JRockit they don't get this. | | You need to tune the paging params appropriately to avoid running out of memory. | | See user guide for details. Thanks Tim fox. When you say about tuning paging param are you talking about tuning the queue/topic pagesize ? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3965681#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...