Look at JBOSS_HOME/catalina/conf/server.xml and
search for the tag, there you can configure the port where
tomcat listening the http request
<Connector className="org.apache.catalina.connector.http.HttpConnector" port="8080" minProcessors="5" maxProcessors="75" enableLookups="true" redirectPort="8443" acceptCount="10" debug="0" connectionTimeout="60000" />