First thing is finding that memory - if visualvm doesn't show much on the HEAP, how about permgen?
Also, how about the CPU activity graph for GC? Does it spike? Based on the description so far, there's no valid reason for the conusmer JVM to be OOM unless its heap is just extremely small. -- View this message in context: http://activemq.2283324.n4.nabble.com/Stress-testing-OOME-tp4677959p4677967.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.