org.hibernate.hql.ast.QuerySyntaxException: User is not mapped [select u from User u where u.userName=:userName and u.password=:password] 上面的异常的抛出主要有几个方面:1、最容易想到的,就是你的from是实体类而不是表名,这个应该大家都知道,注意
文档 简单使用 首先,在pojo添加注解,hibernate-validator提供了很多内置的注解 public class Car {@NotNullprivate String manufacturer;@NotNull@Size(min = 2, max = 14)private String licensePlate;@Min(2)private int seatCount;p
错误信息: org.hibernate.NonUniqueObjectException: a different object with the same identifier value was already associated with the session: [Privilege#2] at org.hibernate.event.def.AbstractSaveEventList