Servlet配置正常还是404

Servlet配置一切正常，还是404找不到前提我们要正确的配置完成Servlet我是先随便写一个测试的Servlet来看看能不能成功调用//TestServlet.javapublic class TestServlet extends HttpServlet { @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOEx