"ryandavid" wrote : | I debugged the aqapi.jar class file and I discovered that it is called the method createConnection (the first method that doesn't take user/password parameters) of AQjmsQueueConnectionFactory class. | | So the problem should be in classes of sun adapter. The jca ConnectionManager should call createManagedConnection(...) on MCF(ManagedConnectionFactory) with Subject and CRI as parameter http://72.5.124.55/j2ee/apidocs-1_5-fr/javax/resource/spi/ManagedConnecti... The MCF's createManagedConnection(..) should retrieve the connection properties ie UserName/Password from the CRI(ConnectionRequestInfo) object. I hope this helps you to dig the details further ;) View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4211407#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...