Seeing 99% CPU but not much memory being used + not much GC being performed and after a while saw these messages (multiple of): | [19 Mar 2008 17:06:33] WARN com.arjuna.ats.arjuna.logging.arjLoggerI18N - [com.arjuna.ats.arjuna.coordinator.CheckedAction_2] - CheckedAction::check - atomic action a0000cb:9c83:47e12b7d:2f4a aborting with 1 threads active! | [19 Mar 2008 17:06:33] WARN com.arjuna.ats.arjuna.logging.arjLoggerI18N - [com.arjuna.ats.arjuna.coordinator.BasicAction_58] - Abort of action id a0000cb:9c83:47e12b7d:2f65 invoked while multiple threads active within it. | [19 Mar 2008 17:06:33] WARN com.arjuna.ats.arjuna.logging.arjLoggerI18N - [com.arjuna.ats.arjuna.coordinator.CheckedAction_2] - CheckedAction::check - atomic action a0000cb:9c83:47e12b7d:2f65 aborting with 1 threads active! | Is that related to the CPU usage, is some atomic process locking and causing the high usage? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4137859#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...