Maven Could not open ServletContext resource [/WEB-INF/applicationContext.xml]

 <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>/WEB-INF/classes/dispatcher-servlet.xml</param-value>
    </context-param>
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <servlet> <!--spring中唯一的servlet 转发到control层-->
        <servlet-name>dispatcher</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <!--springmvc默认配置的名字:-->
        <!--<servlet-name> springMVC<servlet-name> +  -servlet-->
        <!--设置配置文件-->
        <init-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>/WEB-INF/classes/dispatcher-servlet.xml</param-value>
        <!--或<param-value>/WEB-INF/XXX.xml</param-value>-->
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>