The proxy server received an invalid
response from an upstream server.
The proxy server could not handle the request GET /dataset/dataset/delayed-xbt-data-submitted-by-institut-francais-de-recherche-pour-lexploitation-de-la-mer-bres8/resource/41f92e83-69ef-46cb-8f82-3d0e7e4011cf.
Reason: DNS lookup failure for: os-data-catalog.ngdc.noaa.gov
Additionally, a 502 Bad Gateway error was encountered while trying to use an ErrorDocument to handle the request.