With this function, the resolver checks all associated URLs and marks them either with a green tick or, in the event of an error, with a red cross. Users are redirected to the first URL marked in green.

Analyse	urn:nbn:de:0303-52100
	http://zeitpunkt.nrw/urn/urn:nbn:de:0303-52100 STATUS : 301 → Redirecting to : https://zeitpunkt.nrw/urn/urn:nbn:de:0303-52100
	https://zeitpunkt.nrw/urn/urn:nbn:de:0303-52100 RESTEASY004655: Unable to invoke request: java.net.SocketTimeoutException: Read timed out

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