关于警告： No mapping found for HTTP request with URI [/spMVC/] in DispatcherServlet with name 'spMVC'的问题

spring-mvc.xml

<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans"     xmlns:p="http://www.springframework.org/schema/p"     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"    xmlns:context="http://www.springframework.org/schema/context"    xmlns:mvc="http://www.springframework.org/schema/mvc"    xsi:schemaLocation="http://www.springframework.org/schema/mvc    http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd    http://www.springframework.org/schema/beans     http://www.springframework.org/schema/beans/spring-beans-4.0.xsd    http://www.springframework.org/schema/tx    http://www.springframework.org/schema/tx/spring-tx-4.0.xsd    http://www.springframework.org/schema/aop    http://www.springframework.org/schema/aop/spring-aop-4.0.xsd    http://www.springframework.org/schema/context    http://www.springframework.org/schema/context/spring-context-4.0.xsd">       <!-- 开启注解支持 -->    <mvc:annotation-driven></mvc:annotation-driven>    <!-- 包扫描 -->    <context:component-scan base-package="com.hellojava.**"></context:component-scan>      <!-- 下面这是一个视图解析器 -->    <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">    <!-- 前缀 -->    <property name="prefix" value="/WEB-INF/view/"></property>    <!-- 后缀 -->    <property name="suffix" value=".jsp"></property>    <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"></property>    </bean></beans>

web.xml

<?xml version="1.0" encoding="UTF-8"?><web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="WebApp_ID" version="2.5">  <display-name>spMVC</display-name>  <welcome-file-list>    <welcome-file>index.html</welcome-file>    <welcome-file>index.htm</welcome-file>    <welcome-file>index.jsp</welcome-file>    <welcome-file>default.html</welcome-file>    <welcome-file>default.htm</welcome-file>    <welcome-file>default.jsp</welcome-file>  </welcome-file-list>    <servlet>  <servlet-name>spMVC</servlet-name>  <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>  <init-param>    <!-- 配置文件位置 -->        <param-name>contextConfigLocation</param-name>        <param-value>classpath:./com/hellojava/resource/spring-mvc.xml</param-value>  </init-param>  <load-on-startup>1</load-on-startup>  </servlet>  <servlet-mapping>  <!-- 拦截所有请求 -->  <servlet-name>spMVC</servlet-name>  <url-pattern>/</url-pattern>  </servlet-mapping>  </web-app>

以上是两个配置文件内容，找了很久依然找不出问题。总是报错