MinIO not available due to Error 400

This error usually occurs, when the hostname was set incorrectly in a previous deployment. Follow these steps to fix this issue:

  1. In the menu navigate to Systems and Keycloak.

  2. Click on Administration Console and login (default credentials - admin:Kaapana2020).

  3. Navigate to the menu point Clients in the Keycloak menu bar.

  4. In the Keycloak menu change the realm from master to kaapana.

  5. Under the point Manage click on Clients and in the column Client ID click on kaapana.

  6. Make sure you are in the tab Settings. In the field Valid Redirect URLs change the domain for the Minio URL. e.g. change https://my.wrong.domain:443/minio-console/oauth_callback/ to https://my-correct-domain:443/minio-console/oauth_callback/

  7. Save the changes.

  8. Go back to the MinIO page and press Ctrl+F5 to refresh the page and the cache