public static int getPort() {
        return XMPP_JMX_PORT.getValue();
    }
Returns the port number for the JMX connector. This option can 
be configured via the admin console or by setting the following 
system property:
<pre>
   xmpp.jmx.port=[port] (default: 1099)
</pre>

@return Port number for the JMX connector
xmppserver/src/main/java/org/jivesoftware/openfire/JMXManager.java