Caused by: org.hibernate.MappingException: must specify an identifier type

最新推荐文章于 2022-06-16 16:16:01 发布

原创最新推荐文章于 2022-06-16 16:16:01 发布 · 255 阅读

0 ·

CC 4.0 BY-SA版权

文章标签：

#hibernate

hibernate 专栏收录该内容

10 篇文章

订阅专栏

本文介绍了在使用Hibernate框架时遇到的MappingException异常，该异常提示必须指定标识符类型。问题出现在User.hbm.xml文件中ID元素缺少name属性。通过添加name属性解决了此问题。

Caused by: org.hibernate.MappingException: must specify an identifier type 
异常：Caused by: org.hibernate.MappingException: must specify an identifier type:
view plaincopy to clipboardprint?

Caused by: org.hibernate.MappingException: must specify an identifier type: com.xycentre.otms.usermanager.model.OtmsUser   
    at org.hibernate.cfg.HbmBinder.bindSimpleId(HbmBinder.java:418)   
    at org.hibernate.cfg.HbmBinder.bindRootPersistentClassCommonValues(HbmBinder.java:356)   
    at org.hibernate.cfg.HbmBinder.bindRootClass(HbmBinder.java:295)   
    at org.hibernate.cfg.HbmBinder.bindRoot(HbmBinder.java:166)  
Caused by: org.hibernate.MappingException: must specify an identifier type: com.xycentre.otms.usermanager.model.User
 at org.hibernate.cfg.HbmBinder.bindSimpleId(HbmBinder.java:418)
 at org.hibernate.cfg.HbmBinder.bindRootPersistentClassCommonValues(HbmBinder.java:356)
 at org.hibernate.cfg.HbmBinder.bindRootClass(HbmBinder.java:295)
 at org.hibernate.cfg.HbmBinder.bindRoot(HbmBinder.java:166)

解决方案:

User.hbm.xml里id的name没有写..

把ID里面的name属性写上,就没事.

 
<id name="userID" column="USER_ID" type="java.lang.String">
   <generator class="native"></generator>  
</id>