springmvc 请求无法到达controller，出现404错误

web.xml

  testmvc
  
    index.html
    index.htm
    index.jsp
    default.html
    default.htm
    default.jsp
  
  
  
      springmvc
      org.springframework.web.servlet.DispatcherServlet
          
        contextConfigLocation    
        classpath:springmvc-servlet.xml    
    
      1
  
  
  
      springmvc
      /
  
  
    
          org.springframework.web.context.ContextLoaderListener
    

springmvc-servlet.xml

WelcomeController.java

package com.iszhmj.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller
@RequestMapping("/welcome")
public class WelcomeController {
    
    @RequestMapping("/test")
    public String index()
    {
        System.out.println("index");
        return "index";
    }

}