spring 错误求解

Question

Exception in thread "main" org.springframework.beans.factory.BeanDefinitionStoreException: Line 9 in XML document from class path resource [applicationContext.xml] is invalid; nested exception is org.xml.sax.SAXParseException: Document root element "beans", must match DOCTYPE root "null".
org.xml.sax.SAXParseException: Document root element "beans", must match DOCTYPE root "null".
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: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-2.0.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd"> <!-- 配置数据源-->
<bean id="dataSource"
class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName">
<value>com.mysql.jdbc.Driver</value>
</property>
<property name="url">
<value>jdbc:mysql://localhost:3306/Mysql</value>
</property>
<property name="username">
<value>root</value>
</property>
<property name="password">
<value>root</value>
</property>
</bean> 
<!--配置sessionfactory-->
<bean id="mySessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="dataSource" />
</property>
<property name="mappingResources">
<list>
<value>entity\customer.hbm.xml</value>
</list>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.MySQLDialect
</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.hbm2ddl.auto">create</prop>
</props>
</property>
</bean>
<!-- 配置事务管理器-->
<bean id="myTransactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory">
<ref local="mySessionFactory"></ref>
</property>
</bean>
<!-- 配置dao-->
<bean id="customerDao" class="dao.hibernate.CustomerDaoHibernateImpl">
<property name="sessionFactory">
<ref local="mySessionFactory"></ref>
</property>
</bean>
<!-- 配置service-->
<bean id="customerServiceTarget" class="service.spring.CustomerServiceSpringImpl">
<property name="customerDao">
<ref local="customerDao"></ref>
</property>
</bean>
<!-- 配置事务代理-->
<bean id="customerService" class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">
<property name="target">
<ref local="customerServiceTarget"></ref>
</property>
<property name="transactionManager">
<ref local="myTransactionManager"></ref>
</property>
<property name="transactionAttributes">
<props>
<prop key="*">PROPAGATION_REQUIRED</prop>
</props>
</property>
</bean>
<tx:annotation-driven transaction-manager="myTransactionManager"/>
</beans>