anonymous wrote : I've started looking through the log files you sent, and while this doesn't solve your problem, why do you have your transaction timeout set as low as this? Is this intentional? You would minimise your error rate by increasing this so that not as many transactions time out. Yes, it's intentional, I've been tinkering with the timing to try and make the problem occur. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4209468#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...