新手学习中，是不是配置文件错了

<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
        "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
        "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd"><hibernate-configuration>    <session-factory>        <!-- Database connection settings -->
        <property name="connection.driver_class">oracle.jdbc.driver.OracleDriver</property>
        <property name="connection.url">jdbc:oracle:thin:@localhost:1521:orcl</property>
        <property name="connection.username">javakc45</property>
        <property name="connection.password">javakc45</property>        <!-- SQL dialect -->
        <property name="dialect">org.hibernate.dialect.Oracle10gDialect</property>        <!-- Echo all executed SQL to stdout -->
        <property name="hibernate.show_sql">true</property>
        <property name="hibernate.format_sql">true</property>
      <!-- <property name="hibernate.hbm2ddl.auto">create</property> -->
      
        <!-- Names the annotated entity class -->
        <mapping resource="com/javakc/hibernate4/onetomany/vo/DeptModel.hbm.xml"/>
        <mapping resource="com/javakc/hibernate4/onetomany/vo/EmpModel.hbm.xml"/>    </session-factory></hibernate-configuration>