基于SSH实现员工管理系统之框架整合篇-添加事务管理后启动时有一个警告

Question

WARN  [DTDEntityResolver.java:75] : HHH000223: Recognized obsolete hibernate namespace http://hibernate.sourceforge.net/. Use namespace http://www.hibernate.org/dtd/ instead. Refer to Hibernate 3.6 Migration Guide!

我用的是hibernate4，spring4，下面是我的配置文件

<?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:aop="http://www.springframework.org/schema/aop"
	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.xsd
        http://www.springframework.org/schema/tx
        http://www.springframework.org/schema/tx/spring-tx.xsd
        http://www.springframework.org/schema/aop 
        http://www.springframework.org/schema/aop/spring-aop.xsd">

	<!-- 引入外部属性文件 -->
	<context:property-placeholder location="classpath:jdbc.properties"/>
	
	<!-- 配置连接池 -->
	<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
		<property name="driverClass" value="${jdbc.driver}"/>
		<property name="jdbcUrl" value="${jdbc.url}"/>
		<property name="user" value="${jdbc.user}"/>
		<property name="password" value="${jdbc.password}"/>
	</bean>
	
	<!-- 配置hibernate相关属性 -->
	<bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
		<!-- 注入连接池 -->
		<property name="dataSource" ref="dataSource"></property>
		<!-- 配置hibernate的一些属性 -->
		<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>
		<!-- 加载hibernate中的映射文件 -->
		<property name="mappingResources">
			<list>
				<value>com/sky/ssh/domain/Product.hbm.xml</value>
			</list>
		</property>
	</bean>

	<!-- 配置Action的类 -->
	<bean id="productAction" class="com.sky.ssh.action.ProductAction" scope="prototype">
		<!-- 手动注入Service -->
		<property name="productService" ref="productService"/>
	</bean>
	
	<!-- 配置业务层的类 -->
	<bean id="productService" class="com.sky.ssh.service.ProductService">
		<property name="productDAO" ref="productDAO"/>
	</bean>
	
	<!-- 配置Dao的类 -->
	<bean id="productDAO" class="com.sky.ssh.dao.ProductDAO">
		<property name="sessionFactory" ref="sessionFactory"></property>
	</bean>
	
	<!-- 配置事务管理器 -->
	<bean id="transactionManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager">
		<property name="sessionFactory" ref="sessionFactory"/>
	</bean>
	
	<!-- 开启注解事务 -->
	<tx:annotation-driven transaction-manager="transactionManager"/>
</beans>