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:bsz:31-166365
	https://digital.blb-karlsruhe.de/urn/urn:nbn:de:bsz:31-166365 RESTEASY004655: Unable to invoke request: org.apache.http.conn.ConnectTimeoutException: Connect to digital.blb-karlsruhe.de:443 [digital.blb-karlsruhe.de/193.197.86.70] failed: Read timed out

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