The proxy server received an invalid
response from an upstream server.
The proxy server could not handle the request GET /dataset/dataset/f00477-nos-hydrographic-survey-2001-10-26/resource/abe9e034-1849-4272-925c-c9ebca48c001.
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.