[问题]org.hibernate.id.IdentifierGenerationException: ids for this class must be manually assigned before calling save(): [原因]在添加数据的时候没有添加主键对应的数据,在测试的时候就会出错,不允许添加数据. [解决方式]主键设置的是非空的,添加主键对应的数据即可!…
在有关联关系的数据表中保存数据时,先保存一端,再保存多端的抛出的异常(此时不管一端,还是多端的对象都没有设置id,属性,也就是要保存的两个对象的id 属性为空.) org.hibernate.id.IdentifierGenerationException: ids for this class must be manually assigned before calling save(): com.zcd.hibernate.oneToOne.Departmentat org.hibernat…
org.hibernate.id.IdentifierGenerationException: ids for this class must be manually assigned before calling save(): com.zh.hibernate.subclass.Person at org.hibernate.id.Assigned.generate(Assigned.java:52) at org.hibernate.event.internal.Abstrac…
org.hibernate.id.IdentifierGenerationException: ids for this class must be manually assigned before calling save(): ID主键生成策略为assigned 由应用程序负责生成主键标识符 <id name="id" type="java.lang.String"> <column name="ID" length=&qu…
org.springframework.orm.jpa.JpaSystemException: ids for this class must be manually assigned before calling save(): com.qingmu.seller.entity.OrderMaster; nested exception is org.hibernate.id.IdentifierGenerationException: ids for this class must be m…
异常信息: org.hibernate.id.IdentifierGenerationException: ids for this class must be manually assigned before calling save(): com.geore.pojo.linkman.LinkMan at org.hibernate.id.Assigned.generate(Assigned.java:34) 上面的异常信息显示在com.geore.pojo.linkman.LinkMan中…
