I don't see any problems with starting captcha on a mac, same jvm. Post the debug log for that period View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4097784#4097784 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4097784