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AMEX Connection Failure - MAC Upgrade To HMAC-SHA2 256/512 (Doc ID 2433971.1)

Last updated on AUGUST 16, 2018

Applies to:

Oracle Fusion Expenses Cloud Service - Version and later
Information in this document applies to any platform.


In non-production systems, Upload and Validate Credit Card Transactions ESS job is failing with connection error.  Log shows following error when connecting to

07/31/2018 19:21:10.77 SFTP Connect - Start
07/31/2018 19:21:10.77 Using proxy opc-proxy port 80
07/31/2018 19:22:11.162 Could not connect with proxy. Trying to establish direct connection.
07/31/2018 19:23:12.289 File Download Exception Stack trace
07/31/2018 19:23:12.290 Timeout waiting for response from server.

Issue started happening in first week of August.

Upload and Validate Credit Card Transactions runs fine in production system.


American Express upgraded MAC algorithms.


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