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Subject: new text for Soap faults and WSRM clarfication
This is the proposed text changes, taking into account Pete Wenzel's comments: Clarification of Soap Faults and wsrm:response Lines 1025 – 1030 “ *Example case 1:* For WSDL Request/Response operation types, a SOAP Fault can occur for a reliable request which was delivered, but then encountered an application level Fault due to something wrong in the payload (SOAP Body of request which is not under control of Sending RMP) or application processing space outside the realm of the receiving RMP. That means a Acknowledgment can be delivered on a SOAP Fault. “ Need to be clarified as follows: “ “Example case 1: For the WSDL Request/Response operation type, an operation request which was successfully delivered by the receiving RMP to the receiving application may result in an application-level Fault, (e.g., one specified in the WSDL description for the operation), to be returned. In such a case, when the response reply pattern is in use, the SOAP fault message associated with this application-level Fault MUST carry the RM-Acknowledgment in a wsrm:Response element within its Soap header. This is required so that the Sending RMP gains knowledge of the successful Delivery of the Reliable message request, even though the operation encountered an application-level fault condition associated with the processing of the WSDL request/response operation. “ line 1031 - 1047: “ *Example case 2:* For the Response Reply Pattern, used with WSDL two way operation type, the return message could conceivably carry an indication of an RM Fault, which is not itself carried on a SOAP Fault. The exact behavior in such a case might be an implementation matter. A message with an RM Fault indication MUST NOT be delivered by the receiving RMP. If the message cannot be delivered due, say an request fault, then there would be no meaningful data for the responder to put into the SOAP Body for the WSDL response. When using the Response RM-Reply pattern, a WSDL operation reply will not always be available for the receiving RMP to return with the RM-Response. This will occur when there is a Reliable Messaging Fault for the message in the request, or when the message in the request is a duplicate of a prior delivered message with Duplicate Elimination in use. When a receiving RMP cannot return the WSDL operation response for a request using the Response Reply Pattern, it MUST return the RM Response in a SOAP Fault message. If the RM Fault encountered was due to a problem with the request header element, a SOAP client fault MUST be returned. If the RM Fault encountered was due to a problem with processing by the receiving RMP (including the inability to return a response due to Duplicate Elimination), a soap:server fault must be returned. “ Need to be clarified to the following: “ *Example case 2:* A message with an RM Fault indication MUST NOT be delivered to the receiver by the receiving RMP. In this case, when the Response RM-Reply pattern is in use, a WSDL operation response will not be available for the receiving RMP to return with the RM-Response including an RM-fault indication. In such a case, the Receiving RMP MUST cause an wsrm:Response to be sent in a header of a soap:fault message. This same condition arises when the message in the request is a duplicate of a prior delivered message with Duplicate Elimination in use. The Receiving RMP, in such a case, when the Response reply pattern is in use, has no meaningful WSDL response to return for that WSDL request/response operation, so it MUST cause a soap:fault to be returned. The difference in behaviour with this duplicate elimination condition, is that an RM-Fault indication is not sent for that request in the soap:fault message. In cases where a receiving RMP MUST NOT deliver a WSDL request/respose operation request to the receiver, that receiving RMP must be able to initiate the return of a SOAP Fault message, associated with that request, as follows: * If the RM-Fault indication was due to a problem with the request header element, a SOAP client fault MUST be returned. * If the RM Fault encountered was due to a problem with processing by the receiving RMP (including the inability to return a response due to Duplicate Elimination), a soap:server fault must be returned. “ -- ---------------------------------------------------- Tom Rutt email: tom@coastin.com; trutt@us.fujitsu.com Tel: +1 732 801 5744 Fax: +1 732 774 5133
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