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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 11.1.9.2.0 and later
Information in this document applies to any platform.

Symptoms

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

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 oracle.xdo.delivery.ssh2.SshException: Timeout waiting for response from server.
at oracle.xdo.delivery.ssh2.transport.MessageProcessor.readAndProcessMessage(MessageProcessor.java:1755)
at oracle.xdo.delivery.ssh2.transport.MessageProcessor.sendMessage(MessageProcessor.java:3448)

Issue started happening in first week of August.

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

Changes

American Express upgraded MAC algorithms.

Cause

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In this Document
Symptoms
Changes
Cause
Solution

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