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SAML SSO with OBIEE 12.2.1.4 errors out with HTTP 404

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After I went thru the extremely tedious process of configuring SSL and SAML authentication with OBIEE 12.2.1.4, when I try to login to https://myserver:9503/analytics, I get asked the username/password by the SAML authenticator. Once I enter the credentials I am forwarded to this link https://login.microsoftonline.com/<unique-id>/saml2/sp/acs/post and the page errors out as follows:

No webpage was found for the web address: https://login.microsoftonline.com/<unique-id>/saml2/sp/acs/post

HTTP ERROR 404

According to the KB document: OBIEE 12c/OAS : How to Configure SAML 2.0 SSO on OBIEE 12c / OAS using ADFS - Single Node (Doc ID 2248571.1)

This is due to the bug Bug 24654834 : HTTP 404 CONTEXT NOT FOUND FOR URI /SAML2/SP/ACS/POST FROM OBIEE BASED SP

As per the bug WebLogic 12.2.1+ onwards, saml2 servlet would not be deployed on bi_cluster if virtual host was defined within weblogic domain. By default OBIEE 12c domain has a virtual host named bi_internal_virtualhost1 which is configured to listen on channel bi_internal_channel1 (Port: 9505).

Work around >

Leave listen address as blank for bi_server1

However, my listen address is blank for bi_server1.

I have also checked this note which talks about the targets for the analytics application, but mine seems to be correct. SAML SSO with OBIEE 12212 goes into infinite redirect loop (Doc ID 2303831.1).

Any ideas?

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