还是ssh整合问题？

一启动就报这个错误？
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userdao' defined in class path resource [applicationContext.xml]: Error setting property values; nested exception is org.springframework.beans.NotWritablePropertyException: Invalid property 'sessionFactory' of bean class [com.dao.imp.UserdaoImp]: Bean property 'sessionFactory' is not writable or has an invalid setter method. Does the parameter type of the setter match the return type of the getter?
Caused by: org.springframework.beans.NotWritablePropertyException: Invalid property 'sessionFactory' of bean class [com.dao.imp.UserdaoImp]: Bean property 'sessionFactory' is not writable or has an invalid setter method. Does the parameter type of the setter match the return type of the getter?
applicationContext.xml的配置
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:aop="http://www.springframework.org/schema/aop"
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
    http://www.springframework.org/schema/tx 
    http://www.springframework.org/schema/tx/spring-tx-2.0.xsd
    http://www.springframework.org/schema/aop 
    http://www.springframework.org/schema/aop/spring-aop-2.0.xsd
    "> <!-- 配置session工厂 -->
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="configLocation"
value="classpath:hibernate.cfg.xml">
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.jdbc.batch_size">0</prop>
</props>
</property>
</bean>

<!-- 创建transcationManager 引入session工厂-->
<bean id="transactionManager"
class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>
<!-- 以下为事务的开启 -->
<tx:advice id="advice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="save*" propagation="REQUIRED" />
<tx:method name="update*" propagation="REQUIRED" />
<tx:method name="delete*" propagation="REQUIRED" />
<tx:method name="*" propagation="REQUIRED" read-only="true" />
</tx:attributes>
</tx:advice> <!-- 登陆操作 -->
<bean id="userdao" class="com.dao.imp.UserdaoImp">
<property name="sessionFactory"> 
<ref bean="sessionFactory" /> 
</property> 
</bean>

<!-- action的操作 -->
<bean name="/login" class="com.web.action.TestAction">
<property name="userdaoserver" ref="userdao"></property>
</bean>


</beans>web.xml的配置
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="2.4" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee   http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
  <!-- spring 配置 -->
  
  <context-param>    
      <param-name>contextConfigLocation</param-name>    
      <param-value>classpath:applicationContext.xml</param-value>    
   </context-param> 
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>

  <!-- struts 1 的配置 -->
  <servlet>
    <servlet-name>action</servlet-name>
    <servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
    <init-param>
      <param-name>config</param-name>
      <param-value>/WEB-INF/struts-config.xml</param-value>
    </init-param>
    <init-param>
      <param-name>debug</param-name>
      <param-value>3</param-value>
    </init-param>
    <init-param>
      <param-name>detail</param-name>
      <param-value>3</param-value>
    </init-param>
    <load-on-startup>0</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>action</servlet-name>
    <url-pattern>*.do</url-pattern>
  </servlet-mapping>
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
</web-app>struts-config.xml也配置了
 <action-mappings >
    <action
      attribute="testForm"
      input="/form/test.jsp"
      name="testForm"
      parameter="method"
      path="/test"
      scope="request"
      type="org.springframework.web.struts.DelegatingActionProxy" />  </action-mappings>有人说没有jar包？是这样吗？