Jetty SpringMVC Home Path Access

I use Jetty as a web server. The project uses the springmvc framework.

启动jetty 访问项目http://127.0.0.1:4444/mobile/
出现404异常

但用tomcat作为web服务器启动项目访问：http://127.0.0.1: 4444/mobile/
can be accessed normally. .

困扰了好久 难道是jetty的原因吗？ ? ? ?
This is my xml configuration:

  
    default
    *.jpg
    *.gif
    *.js
    *.png
    *.bmp
    *.swf
    *.css
    *.ico
    *.html
    *.htm
    *.xml
  
  
    CharactEncoding
    org.springframework.web.filter.CharacterEncodingFilter
    
      encoding
      UTF-8
    
  
  
    CharactEncoding
    /*
  
  
    BFLYMOBILE
    org.springframework.web.servlet.DispatcherServlet
    
      contextConfigLocation
      classpath:applicationContext-mvc.xml
    
    1
    
      52428800
      52428800
      0
    
  
  
    BFLYMOBILE
    /
  
  
    contextConfigLocation
    classpath:applicationContext.xml
  
  
    org.springframework.web.context.ContextLoaderListener
  
  
    org.springframework.web.util.IntrospectorCleanupListener
  
  
     org.springframework.web.context.request.RequestContextListener 
  
  
    30
  
  
  
    index.jsp
    index.html