if (appName == null) throw new ServletException ("Application name not specified for helma.servlet.ServletClient");
    public void init (ServletConfig init) throws ServletException {	super.init (init);	appName = init.getInitParameter ("application");	host =  init.getInitParameter ("host");	if (host == null)	    host = "localhost";	String portstr = init.getInitParameter ("port");	port =  portstr == null ? 5055 : Integer.parseInt (portstr);	hopUrl = "//" + host + ":" + port + "/";    }