ssm项目使用ecplise报错No mapping found for HTTP request with URI [/sky……]_eclipse项目 no mapping found for hppt request uri ma

该项目我使用idea编译访问没有任何问题，但使用eclipse编译时报错No mapping found for HTTP request with URI [/sky-ssm/hello] in DispatcherServlet with name 'dispatcherServlet'首先我检查了
1、web.xml文件中的配置

<!DOCTYPE web-app PUBLIC
 "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
 "http://java.sun.com/dtd/web-app_2_3.dtd" >

<web-app>
<!--   <display-name>Archetype Created Web Application</display-name> -->

    <!--配置Spring的监听器，默认只加载WEB-INF目录下的applicationContext.xml配置文件-->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <!--设置配置文件的路径-->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>
    <context-param>
        <param-name/>
        <param-value/>
    </context-param>

    <!--配置前端控制器-->
    <servlet>
        <servlet-name>dispatcherServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <!--加载springmvc.xml配置文件-->
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:springmvc.xml</param-value>
        </init-param>
        <!--启动服务器，创建该servlet-->
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>dispatcherServlet</servlet-name>
        <url-pattern>/</url-pattern>