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Getting "Oracle SSO Failure - Unable to process request" When Logging into mod_osso Based Applications Located Behind an HTTP Server Used as a Reverse Proxy (Doc ID 360313.1)

Last updated on OCTOBER 29, 2019

Applies to:

Oracle Application Server Single Sign-On - Version 9.0.4 to [Release 10gR1 to 10gR3]
Information in this document applies to any platform.
***Checked for relevance on 12-FEB-2016***


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.



An HTTP Server was added as a reverse proxy in front of the Oracle Application Server (OAS) environment.


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