org.springframework.dao.DuplicateKeyException:在java中是什么意思？

Question

如题所述

Answer 1

org.springframework.dao.DuplicateKeyException: a different object with the same identifier value was already associated with the session: [com.sinosoft.claim.schema.model.PrpLlossInfo#REG13552269089070]; nested exception is org.hibernate.NonUniqueObjectException: a different object with 这个问题的话原因是在调用持久层类的进行保存域更新的时候，主键或唯一性约束冲突了。

Answer 2

看看这个类的文档就明白了，是说主键或唯一键约束失败时会抛出的异常：

Exception thrown when an attempt to insert or update data results in violation of an primary key or unique constraint. Note that this is not necessarily a purely relational concept; unique primary keys are required by most database types.本回答被提问者和网友采纳

Answer 3

是由于主键重复插入，导致的异常。

Answer 4

直觉告诉我，这是 主键重复的错误，你看下是不是 插入数据库的记录 主键重复了

Answer 5

字面意思是主键重复