"timfox" wrote : One thing I noticed is that if I change it so TCPNoDelay is picked up from the messaging config (currently it's hardcoded on the connector), and tried to run perfSender and perfListener with non persistent messages, not transacted, then the listener seems to not receive any messages. I've observed the same problem on failing tests in our test suite. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4151998#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...