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

时间 2019-11-21

标签 typemismatchexception provided wrong type class zhongfucheng.user.entity.user zhongfucheng user entity 繁體版

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今天在使用SSH框架作项目的时候出现了这个错误，找了我很是很是多的时间！！！！！！！java

Struts Problem Report

Struts has detected an unhandled exception: 


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
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

File: org/hibernate/event/def/DefaultLoadEventListener.java 
Line number: 135

去网上搜也有相似的，通常都是Integer和String匹配不一样。。。而我明明要的是String,给了我一个User对象。markdown

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。由于个人User对象也实现了Serializable接口！！！！这样就没有报任何错误！！！app

本来我只要把id传递过去就好了！！！！！！我传了对象！！！很烦！！！！！框架