HTTPS Request Returns HTTP When Processing Application Redirects Through OHS/mod_wl_ohs
Last updated on MAY 21, 2018
Applies to:Oracle WebLogic Server - Version 10.3.4 and later
Oracle Forms - Version 220.127.116.11.0 and later
Oracle HTTP Server - Version 18.104.22.168.0 and later
Oracle Access Manager - Version 22.214.171.124.0 and later
Oracle Fusion Middleware - Version 126.96.36.199.0 and later
Information in this document applies to any platform.
Oracle HTTP Server 11g (188.8.131.52+) is installed and using mod_wl_ohs (WebLogic Server Plugin 1.1, also versioned 11.1.1.x) to connect to a Java application deployed on Oracle WebLogic Server 10.3.4 (or later). Original symptoms started on these versions because of security change on WLS. The same issues can occur on any version, including 12c and there are actually different reasons and related solutions for these causes. Issues are usually seen when SSL is configured with the Oracle HTTP Server (or other lbr/webserver/proxy) and forwarding requests to Oracle WebLogic Server (WLS) where SSL may not be configured.
- The primary symptom is url in HTTP instead of an HTTPS. Any redirection mechanism in place to enforce HTTPS may end up seeing the symptom of a looping redirect.
- Investigating further into the processing, its continually going from HTTPS to HTTP and repeating.
- You may also see a "HTTP/1.1 302 Moved Temporarily" from a browser and see a "NZ Library Error: Unknown error" entry in the OHS logs.
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