请教各位大侠:小弟在看马士兵的hibernate视频,但是在运行的时候出现如下告警,我已经附上相关文件了,我用的是hibernate3.6.8,slf4j1.6.1hibernate.cfg.xml配置文件:<?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">com.mysql.jdbc.Driver</property>
        <property name="connection.url">jdbc:mysql://localhost/hibernate</property>
        <property name="connection.username">root</property>
        <property name="connection.password">root</property>        <!-- JDBC connection pool (use the built-in) -->
         <!-- <property name="connection.pool_size">1</property> -->        <!-- SQL dialect -->
        <property name="dialect">org.hibernate.dialect.MySQLDialect</property>        <!-- Enable Hibernate's automatic session context management -->
        <!-- <property name="current_session_context_class">thread</property> -->        <!-- Disable the second-level cache  -->
        <property name="cache.provider_class">org.hibernate.cache.NoCacheProvider</property>        <!-- Echo all executed SQL to stdout -->
        <property name="show_sql">true</property>        <!-- Drop and re-create the database schema on startup -->
        <!--  <property name="hbm2ddl.auto">update</property> -->        <mapping resource="model/Student.hbm.xml"/>    </session-factory></hibernate-configuration>Student.hbm.xml配置文件:<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
        "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
        "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd"><hibernate-mapping package="model">
<class name="Student">
<id name="id"></id>
<property name="name"></property>
<property name="age"></property>

<\class>
</hibernate-mapping>
自己写的student类
package model;public class Student {
private int id;
private String name;
private int age;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
对应的studentTest:
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;import model.Student;
public class StudentTest { public static void main(String[] args) {
Student s = new Student();
s.setAge(1);
s.setId(1);
s.setName("yeliguo"); Configuration cfg = new Configuration();
SessionFactory sf = cfg.configure().buildSessionFactory();
Session session = sf.openSession();
session.beginTransaction();
session.save(s);
session.getTransaction().commit();

session.close();
sf.close();
}}当我运行studentTest的时候出现如下告警:
Exception in thread "main" org.hibernate.InvalidMappingException: Unable to read XML
at org.hibernate.util.xml.MappingReader.readMappingDocument(MappingReader.java:101)
at org.hibernate.cfg.Configuration.add(Configuration.java:513)
at org.hibernate.cfg.Configuration.add(Configuration.java:509)
at org.hibernate.cfg.Configuration.add(Configuration.java:716)
at org.hibernate.cfg.Configuration.addResource(Configuration.java:801)
at org.hibernate.cfg.Configuration.parseMappingElement(Configuration.java:2344)
at org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:2310)
at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:2290)
at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:2243)
at org.hibernate.cfg.Configuration.configure(Configuration.java:2158)
at org.hibernate.cfg.Configuration.configure(Configuration.java:2137)
at StudentTest.main(StudentTest.java:17)
Caused by: org.dom4j.DocumentException: Error on line 12 of document  : The content of elements must consist of well-formed character data or up. Nested exception: The content of elements must consist of well-formed character data or up.
at org.dom4j.io.SAXReader.read(SAXReader.java:482)
at org.hibernate.util.xml.MappingReader.readMappingDocument(MappingReader.java:75)
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