HTTP 403 error while accessing Hue UI from Knox

When an HTTP 403 error appears while accessing the Hue UI from the Knox Gateway, then the user or the group that the user belongs to may not have the required permissions.

  1. Sign in to Cloudera Manager as an Administrator.
  2. Go to ClustersRanger service > Ranger Admin Web UI and sign in to the Ranger Admin web UI as an Administrator.
  3. Click on cm_knox.
  4. The cm_knox policies are displayed.

  5. Click on the policy ID 16 (all - topology, service).
    The Edit Policy page is displayed.

  6. Verify that the user and the group to which the user belongs has the required permissions.
    If the user or group does not have the required permission, then add the user or the user group to the Select User field and select Allow under Permissions.