In the second case, where the MCA has acted on the COMMIT but could not deliver the response code, there is no transaction to roll back.
在第二种情况下,MCA已对COMMIT采取了行动,但是未能传输响应代码,因此将不存在要回滚的事务。
2
These are heavyweight, adapter-driven solutions that take months to years to roll out in any meaningful fashion, and often require a lot of code for mapping protocols and data formats along the way.