protected void initServlet(String webXml) throws Exception {
    ServletRunner runner = new ServletRunner(new File(srcdir, webXml), "");
    client = runner.newClient();
    ic = client.newInvocation("http://localhost:8080/app1");

    originalServletContext = ic.getServlet().getServletConfig().getServletContext();
    servletContext = createServletContextWrapper(true);
    request = ic.getRequest();
    response = ic.getResponse();
  }