Sorry, I don't know what this "trailblazer" is, that you are referring to.
EJB3Trailblazer is the default demo application which is shipped with JBoss 4. It covers the new EJB3 implementation as well as some detail docs ..
As you do not know about it .. I reckon that my question has been placed into the wrong forum ...
thanks and greetings from berlin
Well... JBoss 4 currently ships with JBoss MQ, not JBoss Messaging, so if you remove JBoss MQ then it's hardly surprising the trailblazer application that uses JBoss MQ no longer works :)