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:kobv:109-1-15433747
	https://digital.zlb.de/viewer/resolver?urn=urn:nbn:de:kobv:109-1-15433747 RESTEASY004655: Unable to invoke request: org.apache.http.conn.ConnectTimeoutException: Connect to digital.zlb.de:443 [digital.zlb.de/130.73.102.247] failed: Connect timed out

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