org.springframework.orm.jpa.JpaSystemException: Null value was assigned to a property

org.springframework.orm.jpa.JpaSystemException: Null value was assigned to a property [包名.class.属性名] of primitive type setter of com.udreamtech.admin.system.domain.Staff.acc_per; nested exception is org.hibernate.PropertyAccessException: Null value was assigned to a property [包名.class.属性名] of primitive type setter of com.udreamtech.admin.system.domain.Staff.acc_per

最近spring-boot+JPA  ing……

错误如上，问题：属性名和数据库内的不一致

                  解决：找对应字段的实体类和数据库的字段是否一致。