ERR_TOO_MANY_REDIRECTS For Only Protected Resource and Only On Chrome Browser

(Doc ID 2390968.1)

Last updated on MAY 14, 2018

Applies to:

Oracle Access Manager - Version 11.1.2.1.0 and later
Information in this document applies to any platform.

Symptoms

After applying patch 11.1.2.3.180116 (BP13) no multiple redirection occurs on first landing (unprotected) page https://company.com,
but we are facing multiple redirection issue with "protected resources"
When they open Login Page they got OAMAuthnCookie_company.com:443 Cookie and when clicked on Login it generates
"OAMRequestContext_company.com:443_xxxxxx" Cookie.
But when we login with username/password all cookies flushed away and page get redirected many times
and eventually got "Too many redirection" page.
Comparring login flow in different browsers flow is similar in Chrome and Mozilla, but in Chrome case,

after specific step it go in loop with repeating

GET https://login.company.com/oam/server/obrareq.cgi?encquery%...
HTTP/1.1 302 Location: https://company.com/obrar.cgi?encreply...
GET https://company.com/obrar.cgi?encreply=....
HTTP/1.1 302 Found Location: /pages/home.html
> then againg GET https://login.company.com/oam/server/obrareq.cgi?encquery



Changes

 The issue appear with last Chrome version. Client tried to downgrade the Chrome version, but the issue persist.

Also for login is used a custom login page.

Cause

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