文档解释ORA-31048:UnsavedresourcescannotbeupdatedCause:Anattemptwasmadetoupdatearesourcethatwasneversavedtodisk.Action:Performaresourceinsertioninstead.ORA-31048:Un...

文档解释ORA-31029:CannotbindtounsavedresourceCause:Anattemptwasmadetobindtoaresourcethathadnotbeensavedtodisk.Action:Bindonlytosavedresources.ORA-31029错误是指无法绑定未保存资源...

文档解释ORA-31062:CannotdeleteanunsavedresourceCause:Anattemptwasmadetodeletearesourcethathadnotbeensavedtodisk.Action:Deleteonlysavedresources.ORA-31062:Cannotdele...

一、异常：org.hibernate.TransientObjectException:objectreferencesanunsavedtransientinstance-savethetransientinstancebeforeflushing:　　这主要是在ManyToOne级联操作时遇到，比如new了一个新对...