Exception in thread "main" org.hibernate.MappingException: Unknown entity: com.hibernate.domain.User
2013-09-02 23:48
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未知的实体,User这个类不认识,随便写个映射文件 hibernate是不会去找的,在启动 初始化的过程中只会去找 hibernate.cfg.xml 这个配置文件,所以必须通过此配置文件告诉它有哪些映射文件。
配置文件代码如下:
<!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 name="foo">
<property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="connection.url">jdbc:mysql:///test</property>
<property name="connection.username">root</property>
<property name="connection.password">123456</property>
<property name="dialect">org.hibernate.dialect.MySQLDialect</property>
<mapping resource="com/hibernate.domain/User.hbm.xml"/>
</session-factory>
</hibernate-configuration>
配置文件代码如下:
<!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 name="foo">
<property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="connection.url">jdbc:mysql:///test</property>
<property name="connection.username">root</property>
<property name="connection.password">123456</property>
<property name="dialect">org.hibernate.dialect.MySQLDialect</property>
<mapping resource="com/hibernate.domain/User.hbm.xml"/>
</session-factory>
</hibernate-configuration>
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