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Subject: RE: [ws-tx] Issue 092 - WS-BA: specify 'presume compensate'assumption
Presume compensate assumption has some inherent problems as described below: App1 sends a DO message to App2. Coordinator (App1 site) decides to forget (presume compensate since no vote has been recorded). The participant (App2 site) times out and takes the presume-compensate route. But it hits a snag, and sends Fail. Coordinator receives Fail, but does not remember the activity anymore; so it does not propagate the Fail to its superior. This is a problem. Summary: I suggest that we retain the existing presume nothing assumption as represented by the current state table transitions. Further, I suggest reversing the resolution to issue 71 so that we revert to the text: "All state transitions are reliably recorded, including application state and coordination metadata". -----Original Message----- From: Ram Jeyaraman [mailto:Ram.Jeyaraman@microsoft.com] Sent: Thursday, August 31, 2006 11:45 AM To: Thomas Freund; ws-tx@lists.oasis-open.org Subject: [ws-tx] Issue 092 - WS-BA: specify 'presume compensate' assumption This issue is identified as 092. Please ensure the subject line "Issue 092 - WS-BA: specify 'presume compensate' assumption". ________________________________ From: Thomas Freund Sent: Wednesday, August 30, 2006 9:18 PM To: ws-tx@lists.oasis-open.org Subject: [ws-tx] NEW Issue - WS-BA: specify 'presume compensate' assumption Protocol: WS-BA Artifact: spec Draft: BA specification CD 02 Link to the document referenced: http://www.oasis-open.org/committees/download.php/18818/wstx-wsba-1.1-spec-cd-02.pdf Section and PDF line number: see proposed resolution listed below Issue type: design Related issues: Issue Description: WS-BA does not state a 'presume compensate' assumption Proposed Resolution: After line 73 insert: * In the absence of outcome information for a transaction the transaction is presumed to have compensated. State Table change: The state table (line 520) ParticipantCompletion/Coordinator View/Inbound Events/: {Completed, Ended} cell should be: (Send Compensate, Ended) The state table (line 530) CoordinatorCompletion/Coordinator View/Inbound Events/: {Completed, Ended} cell should be: (Send Compensate, Ended)
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