My Oracle Support Banner

Mid-Tier Mod_osso Not Working After Entring Username/Password Oracle SSO Failure (Doc ID 377779.1)

Last updated on NOVEMBER 14, 2019

Applies to:

Oracle Application Server Single Sign-On - Version and later
Information in this document applies to any platform.


Tested mod_osso on a Mid-tier server per  <Note:302721.1> How to verify mod_osso is working, which confirmed an issue with mod_osso

-Steps to reproduce the issue:
1. In a new browser session enter the following URL:

This brings up the SSO login page

2. Enter the username/password, which returns the following error:

Oracle SSO Failure - Unable to process request
Either the requested URL was not specified in terms of a fully-qualified host
name or OHS single sign-on is incorrectly configured.
Please notify your administrator

-From same browser session, if you enter another SSO partner application URL on a different server (SSO Admin, OIDDAS), you are not challenged for authentication.

-The same mod_osso test on the infrastructure was successful

-Tested a static page and it did not work unless we added a slash to the end of the url /


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.