TypeMismatchException: Provided id of the wrong type for class zhongfucheng.user.entity.User.

﹏ヽ暗。殇╰゛Y 2021-09-17 06:48 231阅读 0赞

今天在使用SSH框架做项目的时候出现了这个错误,找了我非常非常多的时间!!!!!!!

  1. Struts Problem Report
  2. Struts has detected an unhandled exception:
  3. Messages: 1.Provided id of the wrong type for class zhongfucheng.user.entity.User. Expected: class java.lang.String, got class zhongfucheng.user.entity.User
  4. 2.Provided id of the wrong type for class zhongfucheng.user.entity.User. Expected: class java.lang.String, got class zhongfucheng.user.entity.User; nested exception is org.hibernate.TypeMismatchException: Provided id of the wrong type for class zhongfucheng.user.entity.User. Expected: class java.lang.String, got class zhongfucheng.user.entity.User
  5. File: org/hibernate/event/def/DefaultLoadEventListener.java
  6. Line number: 135

去网上搜也有类似的,一般都是Integer和String匹配不同。。。而我明明要的是String,给了我一个User对象

  1. Expected: class java.lang.String, got class zhongfucheng.user.entity.User

原来我在Service层的时候根据id删除记录,我把对象传递过去了。因为我的User对象也实现了Serializable接口!!!!这样就没有报任何错误!!!

这里写图片描述

原本我只要把id传递过去就行了!!!!!!我传了对象!!!很烦!!!!!

发表评论

表情:
评论列表 (有 0 条评论,231人围观)

还没有评论,来说两句吧...

相关阅读