Spring 事务回滚的有关问题

    
    <bean id="dataSource" class="com.proj.ibatis.dataSource.DataSource" />
    
    <bean id="sqlMapClient"
        class="org.springframework.orm.ibatis.SqlMapClientFactoryBean" singleton="true">
        <property name="dataSource"><ref local="dataSource"/></property>
        <property name="configLocation"
            value="classpath:com/proj/ibatis/sql-map-config.xml" />
    </bean>
    
    <bean id="transactionManager"
        class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"></property>
    </bean>
<bean name="userDao" class="com.proj.ibatis.dao.TUser">
        <property name="sqlMapClient" ref="sqlMapClient" />
    </bean>
<!-- Service -->
    <bean id="userSerive" class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">
        <property name="transactionManager" ref="transactionManager"></property>
        <property name="target" ref="userDao"></property>
        <property name="transactionAttributes">
            <props>
                <prop key="*">PROPAGATION_REQUIRED</prop>
            </props>
        </property>
    </bean>

User xx = new User();
                xx.setUserid("hztest");
                xx.setUsername("测试用户test");
                userService.updUser(xx);

    
public User updUser(User user)
    {
        getSqlMapClientTemplate().update("updUser", user);
        int i = 100/0;
        return user;
    }

int i = 100/0;