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:bvb:12-babs-0000020828
	http://digital.bib-bvb.de/webclient/DeliveryManager?pid=4687802&custom_att_2=simple_viewer RESTEASY004655: Unable to invoke request: org.apache.http.conn.ConnectTimeoutException: Connect to digital.bib-bvb.de:80 [digital.bib-bvb.de/129.187.139.95] failed: Connect timed out

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