Spring配置问题
methc 2008-08-07 11:29:14 java.lang.ClassCastException: $Proxy10
at com.union.flow.workitem.webapp.action.BaseDispatchAction.setServlet(BaseDispatchAction.java:100)
at org.apache.struts.action.RequestProcessor.processActionCreate(RequestProcessor.java:295)
他说我这行出错
private ItemHelperService itemHelperService ;
this.itemHelperService = (ItemHelperService) wac.getBean("itemHelperService");
<bean id="taskServiceTarget"
class="com.union.flow.workitem.workItemHelper.ItemHelperServiceImpl" singleton="true">
<property name="taskDao">
<ref bean="taskDao" />
</property>
<property name="flowDao">
<ref bean="workflowdao" />
</property>
<property name="itemDao">
<ref bean="itemDao" />
</property>
<property name="stepDao">
<ref bean="stepDao" />
</property>
<property name="versionDao">
<ref bean="flowversiondao" />
</property>
<property name="flowFormDao">
<ref bean="flowFormDao" />
</property>
<property name="flowTaskDao">
<ref bean="flowTaskDao" />
</property>
<property name="flowStepDao">
<ref bean="flowStepDefdao" />
</property>
<property name="formTemplateHisDao">
<ref bean="formTemplateHisDao" />
</property>
<property name="formDao">
<ref bean="formDao" />
</property>
<property name="holDao">
<ref bean="holidayDao" />
</property>
</bean>
请问这是什么错呀