,spring3 注解事务 回滚失败

<?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:context="http://www.springframework.org/schema/context"    xmlns:jee="http://www.springframework.org/schema/jee" xmlns:aop="http://www.springframework.org/schema/aop"    xmlns:tx="http://www.springframework.org/schema/tx" xmlns:mvc="http://www.springframework.org/schema/mvc"    xsi:schemaLocation="    http://www.springframework.org/schema/beans    http://www.springframework.org/schema/beans/spring-beans-3.0.xsd    http://www.springframework.org/schema/context     http://www.springframework.org/schema/context/spring-context-3.0.xsd    http://www.springframework.org/schema/jee    http://www.springframework.org/schema/jee/spring-jee-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/mvc     http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">    <context:annotation-config />    <bean id="dataSource"        class="org.springframework.jdbc.datasource.DriverManagerDataSource">        <property name="url">            <value>jdbc:mysql://localhost:3306/hterp_2011?useUnicode=true&amp;characterEncoding=UTF-8            </value>        </property>        <property name="driverClassName" value="com.mysql.jdbc.Driver"></property>        <property name="username" value="root"></property>        <property name="password" value="root"></property>    </bean>    <bean id="sessionFactory"        class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">        <property name="dataSource" ref="dataSource" />        <property name="packagesToScan" value="com.blooming.impl" />        <property name="hibernateProperties">            <props>                <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>                <prop key="hibernate.show_sql">true</prop>                <prop key="hibernate.format_sql">true</prop>                <!--                 <prop key="hibernate.hbm2ddl.auto">update</prop>                 -->            </props>        </property>    </bean>    <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">        <property name="dataSource" ref="dataSource" />    </bean>    <bean id="transactionManager"        class="org.springframework.orm.hibernate3.HibernateTransactionManager">                <property name="sessionFactory" ref="sessionFactory" />    </bean>    <bean id="messageSource"        class="org.springframework.context.support.ReloadableResourceBundleMessageSource">        <property name="basename" value="messages/messages" />        <property name="cacheSeconds" value="0" />    </bean>    <context:component-scan base-package="com.blooming.impl.*" />    <context:component-scan base-package="org.springframework.samples.mvc.basic.account"></context:component-scan>        <tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true"/>    <mvc:annotation-driven />    <mvc:interceptors>        <bean class="com.blooming.web.handler.UserInterceptorAdapter" />    </mvc:interceptors>    <bean        class="org.springframework.web.servlet.view.ContentNegotiatingViewResolver">        <property name="mediaTypes">            <map>                <entry key="html" value="text/html" />                <entry key="json" value="application/json" />            </map>        </property>    </bean>    <bean id="multipartResolver"        class="org.springframework.web.multipart.commons.CommonsMultipartResolver">        <property name="maxUploadSize" value="1000000" />    </bean>    <bean        class="org.springframework.web.servlet.view.InternalResourceViewResolver">        <property name="prefix" value="/WEB-INF/classes/views/" />        <property name="suffix" value=".jsp" />    </bean>                <bean class="org.springframework.context.annotation.CommonAnnotationBeanPostProcessor"/></beans>