springMVC的RequestMapping请求不到路径的解决

@Controller

public class UserController {

  private UserService service = new UserServiceImpl(); 

  @RequestMapping (value= "/list" ,method=RequestMethod.GET)

  public String list(Model model) throws Exception {

   List<User> list = service.getAll();

   model.addAttribute( "list" , list);

   return "list" ;

  }

}

< servlet >

    < servlet-name >springmvc</ servlet-name >

    < servlet-class >org.springframework.web.servlet.DispatcherServlet</ servlet-class >

    < init-param >

     < param-name >contextConfigLocation</ param-name >

     < param-value >classpath:springmvc.xml</ param-value >

    </ init-param >

   </ servlet >

   < servlet-mapping >

    < servlet-name >springmvc</ servlet-name >

    < url-pattern >*.action</ url-pattern >

   </ servlet-mapping >

< context:component-scan base-package = "cn.jzh" ></ context:component-scan >

  < context:annotation-config conversion-service = "dateConverter" ></ context:annotation-config >

  <!-- 视图解析 -->

  < bean class = "org.springframework.web.servlet.view.InternalResourceViewResolver" >

   < property name = "viewClass" value = "org.springframework.web.servlet.view.JstlView" ></ property >

   < property name = "prefix" value = "/WEB-INF/view/" ></ property >

   < property name = "suffix" value = ".jsp" ></ property >

  </ bean >

  <!-- 配置转换器 -->

  < bean id = "dateConverter" class = "org.springframework.format.support.FormattingConversionServiceFactoryBean" >

   < property name = "converters" >

    < bean class = "cn.jzh.converter.DateConverter" ></ bean >

   </ property >

  </ bean >

  <!-- 静态放行 -->

  < mvc:default-servlet-handler />

<a href= "list.action" rel= "external nofollow" >用户列表</a>