"manik.surtani(a)jboss.com" wrote : In 1.4.X, shouldn't the bounded buffer also be initialised with something a bit bigger than the default 1024? +1. One step at the time. I wanted to get solution on trunk agreed and then move on to other branches. The default value is trunk is 500000, so maybe we should use this one as well for 1.4.x? I can't see any reason why it should be different. 1024 is certainly too small. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4142715#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...