From: <glassfish_at_javadesktop.org>
Date: Thu, 07 Oct 2010 07:32:26 PDT

via jsp
String hostName=request.getServerName();
int portNumber=request.getLocalPort();

via JSF
use implict object
#{header.host> //contains host:port

via EJB
  ipAddress = InetAddress.getLocalHost().getHostAddress();

still don't know how to get the port of the glassfish server.
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