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:hbz:061:2-19549-p0415-9
	http://digital.ub.uni-duesseldorf.de/purn/urn:nbn:de:hbz:061:2-19549-p0415-9 RESTEASY004655: Unable to invoke request: org.apache.http.conn.ConnectTimeoutException: Connect to digital.ub.uni-duesseldorf.de:80 [digital.ub.uni-duesseldorf.de/134.99.128.238] failed: Connect timed out

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