Exception occurred during processing request: null 请大姐帮帮小弟我

Exception occurred during processing request: null 请各位大哥大姐帮帮我
我的源码
action文件

public class peisongAction extends ActionSupport{
	
	
	public String execute() {
		PeiSongJinDuBean peisongBean = new PeiSongJinDuBean();

		PeiSongJinDuBean peisong1 = new PeiSongJinDuBean();

		peisongBean.setOrder_id("Porder_id");

		// Porder_id=ServletActionContext.getRequest().getParameter("Porder_id");//获取前端页面传递参数
		try {
			peisong1 = (PeiSongJinDuBean) peisongDao.SelectPeiSongJinDuInfo(peisongBean);
			worder_id = peisong1.getOrder_id();
			wproduct_pic_address = peisong1.getProduct_pic_address();
			wprice = peisong1.getPrice();
			wnumber = peisong1.getNumber();
			worder_status = peisong1.getOrder_status();
			
			System.out.println(worder_id+wproduct_pic_address+wprice+wnumber+worder_status);
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		

		return SUCCESS;
	}

Dao文件

public class SelectPeiSongJinDuDao  extends SqlMapClientDaoSupport{
	
	public Object SelectPeiSongJinDuInfo(PeiSongJinDuBean peisongBean) throws SQLException{
		
        
		return getSqlMapClientTemplate().queryForObject("selectPeiSongJinDuInfo",peisongBean);
	}
}

struts.xml配置文件

<package name="Delivery_Schedule" extends="struts-default" >
		<action name="peisongAction"
			class="com.wx.action.peisong.peisongAction">
			<result name="success">
				/WEB-INF/pages/Delivery_Schedule/PeiSongJinDu.jsp
			</result>
		</action>
	</package>

ApplicationSystem.xml文件

<bean id="SelectPeiSongJinDuDao" class="com.wx.dao.persisten.SelectPeiSongJinDuDao">
		<property name="dataSource">
			<ref bean="dataSource" />
		</property>
		<property name="sqlMapClient">
			<ref local="sqlMapClient" />
		</property>
	</bean>
	<!-- 查询配送状态 -->
	<bean id="peisongDao" class="com.wx.action.peisong.peisongAction">
		<property name="peisongDao">
			<ref local="SelectPeiSongJinDuDao" />
		</property>
	</bean>

bean的SQL配置文件

<select id="selectPeiSongJinDuInfo" parameterClass="peisongBean"
		resultClass="peisongBean">
		SELECT 
		order_id,product_pic_address,price,number,order_status FROM
		XQ_ORDER_INFO_TAB WHERE order_id=#order_id#
	</select>

请各位 帮我看一下 为什么总是在 前端页面 提交表单时出现错误
错误为：Exception occurred during processing request: Unable to instantiate Action, com.wx.action.peisong.peisongAction,  defined for 'peisongAction' in namespace ''Error creating bean with name 'com.wx.action.peisong.peisongAction' defined in null: Error setting property values; nested exception is org.springframework.beans.PropertyAccessExceptionsException: PropertyAccessExceptionsException (1 errors); nested propertyAccessExceptions are: [org.springframework.beans.TypeMismatchException: Failed to convert property value of type [com.wx.action.peisong.peisongAction] to required type [com.wx.dao.persisten.SelectPeiSongJinDuDao] for property 'peisongDao']
Unable to instantiate Action, com.wx.action.peisong.peisongAction,  defined for 'peisongAction' in namespace ''Error creating bean with name 'com.wx.action.peisong.peisongAction' defined in null: Error setting property values; nested exception is org.springframework.beans.PropertyAccessExceptionsException: PropertyAccessExceptionsException (1 errors); nested propertyAccessExceptions are: [org.springframework.beans.TypeMismatchException: Failed to convert property value of type [com.wx.action.peisong.peisongAction] to required type [com.wx.dao.persisten.SelectPeiSongJinDuDao] for property 'peisongDao']



我只有25分了  全拿出来了 帮帮忙 谢谢 之前我也问过 都没有回答正确的 分全没了   谢谢各位了
------解决方案--------------------
<!-- 查询配送状态 -->
    <bean id="peisongDao" class="com.wx.action.peisong.peisongAction">
        <property name="peisongDao">
            <ref local="SelectPeiSongJinDuDao" />
        </property>
    </bean>
这个地方明显有问题吧？
bean的ID叫peisongDao，而class却是个Action，检查一下是不是笔误了？