【新手求助】hibernate4问题

<?xml version='1.0' encoding='utf-8'?>
<hibernate-configuration
xmlns="http://www.
xsi:schemaLocation="http://www. hibernate-configuration-4.0.xsd"
xmlns:xsi="http://www. <!-- Database connection settings -->
    <property name="connection.driver_class">com.mysql.jdbc.Driver</property>
    <property name="connection.url">jdbc:mysql://192.168.1.102:3306/hibernate</property>
    <property name="connection.username">root</property>
    <property name="connection.password">25358318</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.internal.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="com/jun/hibernate/bean/Student.hbm.xml"/>
  </session-factory>
</hibernate-configuration>