ssm框架搭好，tomcat跑起来了，地址栏访问路径报错！

悬赏园豆：5 [待解决问题]

Web.xml配置文件

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">

<display-name>Archetype Created Web Application</display-name>

<!-- Spring配置 -->
<context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:config/applicationContext.xml</param-value>
</context-param>
<listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>

<!-- Spring MVC -->

<welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
</welcome-file-list>

<!--DispatcherServlet是前置控制器，配置在web.xml文件中的。拦截匹配的请求，Servlet拦截匹配规则要自已定义，把拦截下来的请求，依据某某规则分发到目标Controller(我们写的Action)来处理。 -->
<servlet>
    <servlet-name>DispatcherServlet</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>         
     <!--指明了配置文件的文件名，不使用默认配置文件名，而使用dispatcher-servlet.xml配置文件。 -->
    <init-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:config/spring-servlet.xml</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup><!--是启动顺序，让这个Servlet随Servletp容器一起启动。 -->
</servlet>
<servlet-mapping>
    <servlet-name>DispatcherServlet</servlet-name>
    <url-pattern>*.do</url-pattern> <!--会拦截URL中带“*.do”的请求。 -->
</servlet-mapping>

<!-- 设置字符集 -->
<filter>
    <filter-name>characterEncodingFilter</filter-name>
    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    <init-param>
        <param-name>encoding</param-name>
        <param-value>UTF-8</param-value>
    </init-param>
    <init-param>
        <param-name>forceEncoding</param-name>
        <param-value>true</param-value>
    </init-param>
</filter>
<filter-mapping>
    <filter-name>characterEncodingFilter</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>

</web-app>

Spring-servlet.xml配置文件

<!-- 扫描controller（controller层注入） -->
<context:component-scan base-package="cn.erp.web" />

<!-- 启动注解支持 -->
<mvc:annotation-driven />

<!-- 配置视图解析器 -->
<bean id="viewResolver"
    class="org.springframework.web.servlet.view.UrlBasedViewResolver">
    <property name="viewClass"
        value="org.springframework.web.servlet.view.JstlView" />
    <!--指定视图的前缀 -->
    <property name="prefix" value="/jsp/" />
    <!--指定视图的后缀 -->
    <property name="suffix" value=".jsp" />
</bean>

</beans>