Error detection and recovery using an asynchronous transaction journal
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United States of America Patent
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Nov 8, 2011
Grant Date -
Jun 18, 2009
app pub date -
Dec 12, 2007
filing date -
Dec 12, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Illustrative embodiments provide a computer implemented method, an apparatus, and a computer program product for error detection and recovery using an asynchronous transaction journal. In an illustrative embodiment the computer implemented method receives a request message from a requester, stores the request message in the asynchronous transaction journal and determines whether a sequence number contained within the request message is equal to a predetermined number. When the sequence number is equal, the computer implemented method performs a request in the request message to obtain a result and returns the result to the requester; otherwise the computer implemented method detects an error. The computer implemented method then attempts recovery from the error; otherwise the computer implemented method notifies the requestee.
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