And I had this error when running JBoss ESB trialblazer example with JDK 1.6 View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4032053#4032053 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4032053