URL without context root

[javatwo]

I have a web application deployed on JBoss AS, its context root is, say,
/example.

www.xyz.com/example

how to config so that the application access URL is www.xyz.com,
without /example?

Thanks!

[j2ee_junkie]

Javatwo,

http://wiki.jboss.org/wiki/Wiki.jsp?page=SetupARootContextApp