java.lang.NoSuchMethodException: $Proxy13.get()帮忙看看。解决方法

<?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd"><struts>    <constant name="struts.i18n.encoding" value="gbk" />    <constant name="struts.objectFactory" value="spring" />    <package name="default" namespace="/admin" extends="struts-default">        <action name="putInsert" class="purveryAction"            method="Insert">            <result name="success">yes.html</result>            <result name="error">no.jsp</result>        </action>        <action name="getAll" class="purveryAction" method="get">            <result name="success">yes.jsp</result>            <result name="error">no.jsp</result>        </action>        <action name="getOne" class="purveryAction" method="get">            <result name="success">yes.jsp</result>            <result name="error">no.jsp</result>        </action>    </package></struts>   

    <bean id="sessionFactory"        class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">        <property name="configLocation" value="classpath:hibernate.cfg.xml">        </property>    </bean>    <bean id="txManager"        class="org.springframework.orm.hibernate3.HibernateTransactionManager">        <property name="sessionFactory" ref="sessionFactory" />    </bean>    <tx:advice id="txAdvice" transaction-manager="txManager">        <tx:attributes>            <tx:method name="get*" propagation="REQUIRED" read-only="true" />            <tx:method name="find*" propagation="REQUIRED" read-only="true" />            <tx:method name="search*" propagation="REQUIRED" read-only="true" />            <tx:method name="query*" propagation="REQUIRED" read-only="true" />            <tx:method name="add*" propagation="REQUIRED" />            <tx:method name="submit*" propagation="REQUIRED" />            <tx:method name="save*" propagation="REQUIRED" />            <tx:method name="insert*" propagation="REQUIRED" />            <tx:method name="del*" propagation="REQUIRED" />            <tx:method name="remove*" propagation="REQUIRED" />            <tx:method name="update*" propagation="REQUIRED" />            <tx:method name="modify*" propagation="REQUIRED" />            <tx:method name="check*" propagation="REQUIRED" />            <tx:method name="do*" propagation="REQUIRED" />            <tx:method name="*" propagation="REQUIRED" read-only="true" />        </tx:attributes>    </tx:advice>    <aop:config>        <aop:pointcut id="serviceMethod" expression="execution(* org.benz.action.*.*(..))" />        <aop:advisor advice-ref="txAdvice" pointcut-ref="serviceMethod" />    </aop:config>    <bean id="purveryDao" class="org.benz.dao.impl.PurveyDaoImpl">        <property name="sessionFactory" ref="sessionFactory"></property>    </bean>    <bean id="purveryBiz" class="org.benz.biz.impl.PurveryBizImpl">        <property name="purdao" ref="purveryDao"></property>    </bean>    <bean id="purveryAction" class="org.benz.action.Purveyactionfrom">        <property name="purveryBiz" ref="purveryBiz"></property>    </bean></beans>