java.lang.ClassNotFoundException: org.springframework.web.struts.DelegatingActionProxy

sping配置   
<beans xmlns="http://www.springframework.org/schema/beans"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xmlns:aop="http://www.springframework.org/schema/aop"
     xmlns:tx="http://www.springframework.org/schema/tx"
     xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
           http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd
           http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd">
<!-- 配置sessionFactory -->
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="configLocation"
value="classpath:hibernate.cfg.xml">
</property>
</bean>          

<!-- 配置事务管理器 -->
<bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory">
<ref bean="sessionFactory"/>
</property>
</bean>

<!-- 配置事务的传播特性 -->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="save*" propagation="REQUIRED"/>
<tx:method name="del*" propagation="REQUIRED"/>
<tx:method name="modify*" propagation="REQUIRED"/>
<tx:method name="*" read-only="true"/>
</tx:attributes>
</tx:advice>

<!-- 那些类的哪些方法参与事务 -->
<aop:config>
<aop:pointcut id="allManagerMethod" expression="execution(* com.hibernate.manage.*.*(..))"/>
<aop:advisor pointcut-ref="allManagerMethod" advice-ref="txAdvice"/>
</aop:config>  <bean id="UserDAO" class="com.hibernate.dao.UserDAO">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>


<bean id="usermanage"
class="com.hibernate.manage.impl.usermanageimpl"
abstract="false" lazy-init="default" autowire="default"
dependency-check="default">
<property name="UserDAO">
<ref bean="UserDAO" />
</property>
</bean>
<bean name="/adduser" class="com.userinfo.struts.action.AdduserAction"/>
</beans>strruts配置
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.3//EN" "http://struts.apache.org/dtds/struts-config_1_3.dtd"><struts-config>
  <form-beans >
    <form-bean name="adduserForm" type="com.userinfo.struts.form.AdduserForm" />  </form-beans>  <global-exceptions />
  <global-forwards />
  <action-mappings >
    <action
      attribute="adduserForm"
      input="/adduser.jsp"
      name="adduserForm"
      path="/adduser"
      scope="request"
      type="org.springframework.web.struts.DelegatingActionProxy" />  </action-mappings>
  <message-resources parameter="com.userinfo.struts.ApplicationResources" />
</struts-config>报错：
exception javax.servlet.ServletException: java.lang.ClassNotFoundException: org.springframework.web.struts.DelegatingActionProxy
org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:286)
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462)
javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)