| 摘要 |
A data processing device 10 receives a process request from an external interface 20 of a client terminal etc., carries out the transaction request with respect to a message according to the process request and passes to an API which forms the interface of various types of program carried out in the server 30. The data processing device 10 includes a process (n) which carries out transaction processing with respect to a message with a trade category [n], and a backup process (n) which carries out transaction processing with respect to a message in the case where the transaction processing carried out by the process (n) fails. In addition, the data processing device 10 includes an error process part 123 which isolates the cause of a failure according to a result of a process by the backup process (n).
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