违反唯一约束条件

1.背景：T表F字段唯一索引，保存F字段重复的数据后台异常(附后)，不做处理MVC框架包装异常后，前台显示"Could not execute JDBC batch update; nested exception is org.hibernate.exception..."，报错信息不友好，故主动捕获后跑出友好业务相关信息"XXXXXXXXXX重复"。 2.框架：Hibernate+Spring+公司MVC。 3.异常详情： Could not execute JDBC batch update; nested exception is org.hibernate.exception.ConstraintViolationException: Could not execute JDBC batch update org.springframework.dao.DataIntegrityViolationException: Could not execute JDBC batch update; nested exception is org.hibernate.exception.ConstraintViolationException: Could not execute JDBC batch update at org.springframework.orm