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:517-vlib-6863
	https://digital.ub.uni-potsdam.de/urn/urn:nbn:de:kobv:517-vlib-6863 RESTEASY004655: Unable to invoke request: java.net.SocketTimeoutException: Read timed out

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