exception javax.servlet.ServletException: 
Servlet.init() for servlet Dispatcher threw exception org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'testMapping' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Initialization of bean failed; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'testAction' is defined 
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:451) org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'testAction' is defined 我的applicationContext.xml 
<?xml version="1.0" encoding="UTF-8"?> 
<beans 
xmlns="http://www.springframework.org/schema/beans" 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd"> <bean id="testMapping" 
    class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping"> 
  <property name="mappings"> 
    <props> 
        <prop key="/test.do">testAction </prop> 
    </props> 
  </property> 
</bean> 
<!-- 定义Action --> 
<bean id="testActin" 
      class="com.demo.spring.actions.TestAction"> 
      <property name="commandClass"> 
          <value>com.demo.spring.forms.TestForm </value> 
      </property> 
      <!-- 指定失败要还回的页面 --> 
      <property name="formView"> 
          <value>input </value> 
      </property> 
      <!-- 指定成功要还回的页面 --> 
      <property name="successView"> 
          <value>success </value> 
      </property> 
</bean> 
<bean id="viewResolver" 
      class="org.springframework.web.servlet.view.InternalResourceViewResolver"> 
      <property name="viewClass"> 
        <value> 
            org.springframework.web.servlet.view.InternalResourceView </value> 
            
      </property> 
      <!-- jsp都放在/目录下 --> 
      <property name="prefix"> 
        <value>/ </value> 
      </property> 
      <!-- jsp页面的后缀都是.jsp --> 
      <property name="suffix"> 
          <value>.jsp </value> 
      </property>  
</bean> 
</beans> 搞不懂 怎么回事? 
  还请高手指教