
bryanl.44449 (Customer) asked a question.
Looking for a missing configuration element to get our Matillion Okta tile to properly connect and authenticate to our Matillion environment.
This is a brief overview:
Client ID with secret - added to both Okta and Matillion;
Grant type - Authorization Code;
Sign-in redirect URI - xxxx.com/j_security_check
Sign-out redirect URI - localhost:8080
Login initiated by - Either Okta or App
App visibility - Display app icon to users
Login flow - Redirect to app to initiate login
Initiate login URI - (same as sign-in redirect) without /j_security_check
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Opening the tile in Okta takes me to our correct Matillion login page with a "Login in with Okta" button below the Username and Password boxes but selecting the Login in with Okta button returns a
"400 Bad Request" error "The 'redirect_uri' parameter must be a Login redirect URI in the client app settings: https://**ouracct**-admin.okta.com/admin/app/oidc_clients/instance/**audience-value***tab-general"
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I didn't see anything for the Initiate login URI in the documentation from Matillion or Okta. I've tried lots of combinations but it seems like guessing my way to success is a long shot.

Hello @bryanl.44449 (Customer) Thank you for reacting out to our Community!
Please see below documentation that will provide a solution to the issue that you are seeing:
https://support.okta.com/help/s/article/The-redirect-uri-parameter-must-be-an-absolute-URI?language=en_US
Additionally if you need further assistance we recommend to leverage the Okta Developer forums for this type of questions and take advantage of their expertise.
https://devforum.okta.com/
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