事务没提交解决思路

<?xml version="1.0" encoding="UTF-8"?><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"    xmlns:context="http://www.springframework.org/schema/context"    xsi:schemaLocation="http://www.springframework.org/schema/beans           http://www.springframework.org/schema/beans/spring-beans-3.0.xsd           http://www.springframework.org/schema/tx           http://www.springframework.org/schema/tx/spring-tx-3.0.xsd              http://www.springframework.org/schema/aop           http://www.springframework.org/schema/aop/spring-aop-3.0.xsd           http://www.springframework.org/schema/context           http://www.springframework.org/schema/context/spring-context-3.0.xsd">               <!--  配置SessionFactory -->    <bean id="sessionFactory"        class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">        <!-- 使用本地的hibernate.cfg.xml配置文件，这样清晰一点 -->        <property name="configLocation">            <value>classpath:hibernate.cfg.xml</value>        </property>    </bean>        <bean id="userDao" class="com.singleusers.dao.impl.UserDaoImpl">        <property name="sessionFactory" ref="sessionFactory">                </property>    </bean>     <bean id="userService" class="com.singleusers.service.impl.UserServiceImpl">        <property name="userDao" ref="userDao"></property>    </bean>    <bean id="addUserAction" class="com.singleusers.adduser.action.AddUserAction">        <property name="service" ref="userService"></property>    </bean>    <!-- -->                <!-- 配置事物管理器 -->    <bean id="transactionManager"        class="org.springframework.orm.hibernate3.HibernateTransactionManager">        <property name="sessionFactory" ref="sessionFactory" />    </bean>     <!-- AOP,那些包下面的类需要使用事物管理器 -->    <aop:config>        <aop:pointcut id="servieMethod"            expression="execution(* com.singleusers.service.*.*(..))" />        <!-- 如果满足servieMethod这个切入点就去 参考事物传播性配置的txAdvice建议-->        <aop:advisor advice-ref="txAdvice" pointcut-ref="servieMethod" />    </aop:config>    <!-- 事物传播性配置 -->    <tx:advice id="txAdvice" transaction-manager="transactionManager">        <tx:attributes>            <!--                propagation="REQUIRED" 当前有事物则加入，否则新建一个事物，read-only="true" 事物是否只读            -->            <tx:method name="get*" read-only="true" />            <tx:method name="find*" read-only="true" />            <tx:method name="add*" propagation="REQUIRED" />            <tx:method name="update*" propagation="REQUIRED" />            <tx:method name="del*" propagation="REQUIRED" />        </tx:attributes>    </tx:advice></beans>