After a Session Timeout the Username Field is Automatically Re-Populated with Incorrect Hexidecimal Characters Replacing @ With %40 (Doc ID 2099283.1)

Last updated on JANUARY 13, 2017

Applies to:

Oracle Applications Technology Stack - Version 12.1.3 to 12.2.5 [Release 12.1 to 12.2]
Oracle Application Object Library - Version 12.2.3 to 12.2.3 [Release 12.2]
Information in this document applies to any platform.

Symptoms

After applying <Patch 21507207> ORACLE APPLICATIONS RELEASE 12.1: CPU PATCH FOR OCT 2015 users are reporting login issues.

Users are able to complete the initial login without problems, however after a session timeout the User Name field is automatically populated with Non-ascii, Hexadecimal Type Characters.

Specifically the issue occurs when a username includes special characters like '@'  (e.g. first.last@domain.com), as the special character is replaced with a hexadecimal value (for '@' this is '%40').

For example the characters may look something like the below:
� �� �j��� km^

The incorrect characters must be corrected manually for user login to succeed as intended.

Changes

 Installation of <Patch 21507207> - ORACLE APPLICATIONS RELEASE 12.1: CPU PATCH FOR OCT 2015

Cause

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