Question

对我说，我在web.xml页面中有一个错误，但找不到。这是web.xml页面

  <?xml version="1.0" encoding="UTF-8"?>
    <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xmlns="http://java.sun.com/xml/ns/javaee" 
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
    http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" 
    id="WebApp_ID" version="3.0">
    <display-name>UnogasApp</display-name>
    <filter-mapping>
       <filter-name>jdbcFilter</filter-name>
       <url-pattern>/*</url-pattern>
   </filter-mapping>

   <filter-mapping>
       <filter-name>cookieFilter</filter-name>
       <url-pattern>/*</url-pattern>
    </filter-mapping>
     <welcome-file-list>
     <welcome-file>home</welcome-file>
     <welcome-file>index.html</welcome-file>
     <welcome-file>index.htm</welcome-file>
     <welcome-file>index.jsp</welcome-file>
     <welcome-file>default.html</welcome-file>
     <welcome-file>default.htm</welcome-file>
     <welcome-file>default.jsp</welcome-file>
     </welcome-file-list>
     </web-app>

当我尝试运行代码时，这是发生的错误： HTTP状态404 –找不到 WEB-INF / views / homeView.jsp 原始服务器未找到目标资源的当前表示，或不愿意透露该资源的存在。我认为是因为servlet在welcome文件中找不到主字符串。谢谢

我添加了servlet类

@WebServlet(urlPatterns = { "/home"})
public class HomeServlet extends HttpServlet {
   private static final long serialVersionUID = 1L;

   public HomeServlet() {
       super();
   }

   @Override
   protected void doGet(HttpServletRequest request, HttpServletResponse response)
           throws ServletException, IOException {


       // Forward to /WEB-INF/views/homeView.jsp
       // (Users can not access directly into JSP pages placed in WEB-INF)
       RequestDispatcher dispatcher = this.getServletContext().getRequestDispatcher("/WEB-INF/views/homeView.jsp");

       dispatcher.forward(request, response);

   }

   @Override
   protected void doPost(HttpServletRequest request, HttpServletResponse response)
           throws ServletException, IOException {
       doGet(request, response);
   }

}

Answer 1

无法直接访问WEB-INF文件夹内的

jsp文件。这就是为什么。移至您的根文件夹–

web.xml页面找不到主页欢迎文件

1 个答案: