You will have to obtain TRACE level logs of jboss security package as mentioned in Q4 at:
http://wiki.jboss.org/wiki/Wiki.jsp?page=SecurityFAQ
Those logs will give you an idea as to what is going wrong in authentication.
View the original post :
http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3983178#...
Reply to the post :
http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...