System.out.println("Advertising: " + serviceURL.toString());
    public synchronized void sfStart() throws SmartFrogException, RemoteException {        super.sfStart();            // advertise service...        try {            advertiser.register(serviceURL, serviceAttributes);        }catch(ServiceLocationException ex) {            throw (SmartFrogException)SmartFrogException.forward(ex);        }        System.out.println("Advertising: " + serviceURL.toString());    }