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:83-opus-21952
	http://dx.doi.org/10.14279/depositonce-2121 STATUS : 301 → Redirecting to : https://dx.doi.org/10.14279/depositonce-2121
	https://dx.doi.org/10.14279/depositonce-2121 STATUS : 302 → Redirecting to : https://depositonce.tu-berlin.de/handle/11303/2418
	https://depositonce.tu-berlin.de/handle/11303/2418 STATUS : 301 → Redirecting to : https://depositonce.tu-berlin.de/items/4a191890-51dc-448b-98e4-1ae7f3ec31d6
	https://depositonce.tu-berlin.de/items/4a191890-51dc-448b-98e4-1ae7f3ec31d6 STATUS : 502 → Server error during contacting : https://depositonce.tu-berlin.de/items/4a191890-51dc-448b-98e4-1ae7f3ec31d6
	http://hdl.handle.net/11303/2418 RESTEASY004655: Unable to invoke request: java.net.SocketTimeoutException: Read timed out
	http://d-nb.info/993854451/34 STATUS : 301 → Redirecting to : https://d-nb.info/993854451/34
	https://d-nb.info/993854451/34 STATUS : 404 → Skipping : https://d-nb.info/993854451/34

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