spring + mybatis 注解事务无效：配置报错 

我的配置如下

<?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:tx="http://www.springframework.org/schema/tx"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
	http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd
	http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">


	<context:property-placeholder location="classpath:jdbc.properties" />

	<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"
		destroy-method="close">
		<property name="driverClass" value="${jdbc.driverClassName}" />
		<property name="jdbcUrl" value="${jdbc.url}" />
		<property name="checkoutTimeout" value="8000" />
		<property name="properties">
			<props>
				<prop key="user">${jdbc.username}</prop>
				<prop key="password">${jdbc.password}</prop>
				<prop key="c3p0.minPoolSize">${jdbc.minPoolSize}</prop>
				<prop key="hc3p0.maxPoolSize">${jdbc.maxPoolSize}</prop>
				<prop key="hc3p0.timeout">${jdbc.timeout}</prop>
				<prop key="c3p0.max_statement">${jdbc.max_statement}</prop>
				<prop key="c3p0.testConnectionOnCheckout">${jdbc.testConnectionOnCheckout}</prop>
				<prop key="hibernate.c3p0.testConnectionOnCheckout">${jdbc.testConnectionOnCheckout}</prop>
			</props>
		</property>
	</bean>

	<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
		<constructor-arg>
			<ref local="dataSource" />
		</constructor-arg>
	</bean>


	<bean id="transactionManager"
		class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<property name="dataSource">
			<ref local="dataSource" />
		</property>
	</bean>

	<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
		<property name="dataSource" ref="dataSource" />
		<property name="mapperLocations"
			value="classpath:com/yung/platform/user/mapper/*.xml" />
	</bean>


	<bean id="sqlSessionTemplate" class="org.mybatis.spring.SqlSessionTemplate">
		<constructor-arg>
			<ref local="sqlSessionFactory" />
		</constructor-arg>
	</bean>

	<tx:annotation-driven transaction-manager="transactionManager" />

</beans>

@Transactional
	public void createUser(User user) {
		userDao.createUser(user);
		throw new RuntimeException("----------------------------");
}