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Subject: Re: [ebxml-msg] Reliable Messaging question


I believe this is captured in issue 125.  In David's response [1], he indicated an ErrorList could end retries but that interpretation is not borne out by our current documentation and seems incorrect.  I would suggest we stick with the current retry semantics and end retries only upon receipt of an Acknowledgment or exhaustion of allowable retries.  If a MSH receiving a message in error chooses to respond with an Acknowledgment bundled together with an ErrorList, fine.

I also agree this option (combining Acknowledgment with ErrorList) isn't well described.  Improving that description was the intent of issue 125.


[1] http://lists.oasis-open.org/archives/ebxml-msg/200202/msg00006.html (specifically, the XML file attached and unhelpfully inlined by the OASIS site)

Arvola Chan wrote:

 Section 7.5.2 in Draft version 2.0 describes Receiving Message Behavior under the ebXML Reliable Messaging Protocol. It does not mention anything about error handling. Suppose the received message is erroneous (e.g., some elements in the message are inconsistent with the CPA), the receiver is obligated to return an Error message. It is not clear to me if an Acknowledgment MUST also be included in the Error message. Does the Error message serve as an implicit Acknowledgement? Will the sender keep retrying until it gets back an Acknowledgment (i.e., as long as the number of allowable retries have not been exhausted)? Thanks,-Arvola 

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