1. upate-》create
<property name="hbm2ddl.auto">create</property>
2. 2.Mapping的映射文件有重名的,如:
<mapping resource="com/runsky/domain/Status.hbm.xml" /> <mapping resource="com/runsky/domain/Status.hbm.xml" />
3.表中有关键字,如:
order,level,address,degree等。
4.在配置文件中不小心写了两个同名属性,如:
<?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <hibernate-mapping package="org.hibernate.auction"> <class name="com.runsky.domain.AdditionalInformation" table="AdditionalInformation" lazy="false"> <id name="id" column ="ID" length="32"> <generator class="uuid.hex"/> </id> <property name="tag" column ="tag" /> <property name="content" column ="content" /> <property name="id" column ="id" /> </class> </hibernate-mapping>
5.全类名写错了
6. 自增长字段是String类型, 应该改成Long
时间: 2024-11-03 03:46:21