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:gbv:3:5-29194
	https://opendata.uni-halle.de/handle/1981185920/101049 RESTEASY004655: Unable to invoke request: org.apache.http.conn.ConnectTimeoutException: Connect to opendata.uni-halle.de:443 [opendata.uni-halle.de/141.48.10.209] failed: Connect timed out
	http://dx.doi.org/10.25673/99093 STATUS : 301 → Redirecting to : https://dx.doi.org/10.25673/99093
	https://dx.doi.org/10.25673/99093 STATUS : 302 → Redirecting to : https://opendata.uni-halle.de/handle/1981185920/101049
	https://opendata.uni-halle.de/handle/1981185920/101049 RESTEASY004655: Unable to invoke request: org.apache.http.conn.ConnectTimeoutException: Connect to opendata.uni-halle.de:443 [opendata.uni-halle.de/141.48.10.209] failed: Connect timed out

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