程序包 org.springframework.orm
Root package for Spring's O/R Mapping integration classes. Contains generic DataAccessExceptions related to O/R Mapping.
异常错误概要 异常错误 说明 ObjectOptimisticLockingFailureException Exception thrown on an optimistic locking violation for a mapped object.ObjectRetrievalFailureException Exception thrown if a mapped object could not be retrieved via its identifier.