Hibernate: Null value was assigned to a property of primitive type setter of

hibernate报错：

org.hibernate.PropertyAccessException: Null value was assigned to a property of primitive type setter of com.amg.video....

原因：数据库字段值为NULL,而java数据类型类型int 不能赋值为NULL，只能为0。实体类的属性都应该设为java基本类型对应的包装类（如： Integer），防止查询数据时报错。