title: "Cannot find symbol" on servletContext().getRequestDispatcher
body: <pre><code>protected void processRequest(HttpServletRequest request, HttpServletResponse response)
          throws ServletException, IOException {
      response.setContentType("text/html;charset=UTF-8");
  
      HttpSession sesion = request.getSession();
      PrintWriter out = response.getWriter();
  
      String num = request.getParameter("num");
      String password = request.getParameter("password");
      sesion.setAttribute("num", num);
  
      Queries sql = new Queries();
      if (sql.login(num, password)) {
          response.sendRedirect("private.jsp");
      } else {
          request.setAttribute("error", "Error on login");
          RequestDispatcher dispatcher = 
          ServletContext().getRequestDispatcher("login.jsp"); // This line doesn't working
          dispatcher.forward(request, response);
      }
  
  }
  </code></pre>
  
  <p>I have a error with <code>servletContext()</code>. According Netbeans <em>Cannot find symbol</em>. I want to redirect to <em>login.jsp</em> with a parameter.</p>