2. Goto its Deploy folder.
3. Goto the jbossweb-tomcat55.sar
4. Find out the server.xml inside that folder. Actually this is the server configure file of the BuildIn Tomcat.
5. Find the folowing Tag
6. Change the port number here.
7. Restart the server.
Source: http://minddiary.com/2008/02/15/how-to-change-post-number-in-jboss-app-server/
