专治八阿哥的孟老师

工程目录结构如下：本工程只介绍SSH整合的基本流程，所以没有写接口。

未知实体。出现这种情况可能有如下原因：1.没有写Mapping映射文件。2.映射文件中的class类名路径写错了，不是实体类的全路径3.没有在hibernate.cfg.xml的<session-factory>中加载映射文件，注意<mapping>节点出现的位置在<property>之后<mapping resource="com/pojo/Dept.h...

org.hibernate.MappingException: Repeatedcolumn in mapping for entity: com.pojo.Employee column: dept_id (should bemapped with insert="false" update="false")实体类中写两个属性private Integer deptId;private Dept...

org.hibernate.PropertyNotFoundException:Could not locate getter method for property [com.pojo.Dept#id]或者：org.hibernate.PropertyNotFoundException:Could not locate setter method for property [com.pojo.D...

ERROR: HHH000346: Errorduring managed flush [org.hibernate.TransientObjectException: object references an unsaved transient instance - save thetransient instance beforeQuery flushing: com.pojo.Employe...