"Invalid parameter:redirect_url" error when logging out with SSO

The url is: https://websso.esrf.fr/auth/realms/ESRF/protocol/openid-connect/logout?redirect_uri=https%3A%2F%2Fdata.esrf.fr%2F

Antoine Roux commented:

Hello Alex,

A change were introduced in the latest version of Keycloak about that.
https://www.keycloak.org/2022/04/keycloak-1800-released.html#_openid_connect_logout

You must either remove the redirect_uri parameter, or add the id_token_hint one to allow the redirect.