Broken handling of requests using SP relative resource IDs

E.g.: GET requests with targets:
http://localhost:8282/~/InCSE2/0-3-4-0
http://localhost:8282/~/InCSE2/InCSE2
http://localhost:8282/~/InCSE2/InCSE2/Postman

result with error 404 Not found:
{
"error": "No routing data found for remoteCSE: InCSE2"
}