SpringData无法插入数据

[Freefish1994]

只能查询数据库中的信息无法插入，控制台只会打印查询语句，插入数据时没有反应，后台无报错，Debug加断点后发现前台的表单数据也传到后台，但是数据库就是无法插入数据，用的数据库是MySQL
applicationContext.xml配置文件如下

<?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:jpa="http://www.springframework.org/schema/data/jpa" xmlns:tx="http://www.springframework.org/schema/tx"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
		http://www.springframework.org/schema/data/jpa http://www.springframework.org/schema/data/jpa/spring-jpa-1.3.xsd
		http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd">

	<!-- 配置自动扫描的包 -->
	<context:component-scan base-package="com.website"></context:component-scan>
	<bean id="config"
		class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
		<property name="locations">
			<list>
				<value>classpath:db.properties</value>
			</list>
		</property>
	</bean>

	<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
		<property name="username" value="${mydb.username}"></property>
		<property name="password" value="${mydb.password}"></property>
		<property name="url" value="${mydb.url}"></property>
		<property name="driverClassName" value="${mydb.driverClassName}"></property>
		<property name="maxActive" value="${connection.maxActive}"></property>
		<property name="maxIdle" value="${connection.maxIdle}"></property>
		<property name="minIdle" value="${connection.minIdle}"></property>
		<property name="maxWait" value="${connection.maxWait}"></property>
		<property name="removeAbandoned" value="${connection.removeAbandoned}"></property>
		<property name="removeAbandonedTimeout" value="${connection.removeAbandonedTimeout}"></property>
		<property name="logAbandoned" value="${connection.logAbandoned}"></property>
	</bean>

	<!-- 配置 JPA 的 EntityManagerFactory -->
	<bean id="entityManagerFactory"
		class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
		<property name="dataSource" ref="dataSource"></property>
		<property name="jpaVendorAdapter">
			<bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter"></bean>
		</property>
		<property name="packagesToScan" value="com.website"></property>
		<property name="jpaProperties">
			<props>
				<prop key="hibernate.ejb.naming_strategy">org.hibernate.cfg.ImprovedNamingStrategy</prop>
				<prop key="hibernate.hbm2ddl.auto">update</prop>
				<prop key="hibernate.show_sql">true</prop>
				<prop key="hibernate.format_sql">false</prop>
				<prop key="hibernate.dialect">org.hibernate.dialect.MySQL5InnoDBDialect</prop>
			</props>
		</property>
	</bean>

	<!-- 配置事务 -->
	<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
		<property name="entityManagerFactory" ref="entityManagerFactory"></property>
	</bean>

	<!-- 配置基于注解的事务 -->
	<tx:annotation-driven transaction-manager="transactionManager" />

	<!-- 配置 Spring Data -->
	<jpa:repositories base-package="com.website.core"
		entity-manager-factory-ref="entityManagerFactory"></jpa:repositories>
</beans>

UserService层

	@Transactional(readOnly = false)
	public void addOrModifyUser(final UserDTO userDTO) {
		User user = new User();
		if (userDTO != null) {
			if (StringUtils.isBlank(userDTO.getId())) {
				userDTO.setPassword(MD5Util.MD5Encode(userDTO.getPassword()));
				userRepository.saveAndFlush(this.buildUserFromUserDTO(userDTO,user));
			} else {
				userDTO.setPassword(userRepository.findOne(userDTO.getId()).getPassword());
				userRepository.saveAndFlush(this.buildUserFromUserDTO(userDTO,user));
			}
		}
	}

        private User buildUserFromUserDTO(final UserDTO userDTO, final User user) {
		if(StringUtils.isNotBlank(userDTO.getId()))
			user.setId(userDTO.getId());
		user.setName(userDTO.getName());
		user.setPassword(userDTO.getPassword());
		user.setLogin(userDTO.getLogin());
		user.setSex(Integer.valueOf(userDTO.getSex()));
		user.setPhone(userDTO.getPhone());
		user.setEmail(userDTO.getEmail());
		user.setRole(Integer.valueOf(userDTO.getRole()));
		return user;
	}