Here is the client program for the same.. import javax.naming.Context; import javax.naming.*; import javax.rmi.*; import java.util.*; import com.arbitron.ppm.ops.sampling.*; class CalculatorClient { public static void main(String args[]) throws Exception { CalculatorClient t = new CalculatorClient(); t.go(); } public void go() throws Exception { Context ctx = getContextExternalClient(); CalculatorHome calculatorHome = (CalculatorHome) PortableRemoteObject.narrow(ctx.lookup("Calculator"), CalculatorHome.class); Calculator calculator = calculatorHome.create(); String answer = calculator.add(234, 555); System.out.println("answer : "+ answer); } private Context getContextExternalClient() throws Exception { Properties p = new Properties(); p.put(Context.INITIAL_CONTEXT_FACTORY, "org.jnp.interfaces.NamingContextFactory"); p.put(Context.PROVIDER_URL, "jnp://10.239.20.193:1100"); p.put(Context.URL_PKG_PREFIXES,"org.jboss.naming:org.jnp.interfaces"); Context ctx = new InitialContext(p); return ctx; } } View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4049259#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...