I'm getting the following error while trying to open https://upload.wikimedia.org/wikipedia/commons/thumb/7/7d/KrakatoaHV.webm/220px--KrakatoaHV.webm.jpg:
Error generating thumbnail There have been too many recent failed attempts (4 or more) to render this thumbnail. Please try again later.
Here the request/response headers:
> GET /wikipedia/commons/thumb/7/7d/KrakatoaHV.webm/220px--KrakatoaHV.webm.jpg HTTP/1.1 > Host: upload.wikimedia.org > User-Agent: curl/7.49.1 > Accept: */* < HTTP/1.1 429 Too Many Requests < Date: Mon, 21 Nov 2016 11:42:12 GMT < Content-Type: text/html; charset=utf-8 < Transfer-Encoding: chunked < Connection: keep-alive < X-Content-Type-Options: nosniff < X-Powered-By: HHVM/3.12.7 < Server: mw1295.eqiad.wmnet < X-Mw-Thumbnail-Renderer: mw1295 < Cache-Control: no-cache < P3p: CP="This is not a P3P policy! See https://commons.wikimedia.org/wiki/Special:CentralAutoLogin/P3P for more info." < Backend-Timing: D=79345 t=1479728532563805 < X-Trans-Id: tx77d52d17e62947bbb6ed8-005832dd94 < Vary: Accept-Encoding < X-Varnish: 227107790, 78025582, 382719689 < Via: 1.1 varnish-v4, 1.1 varnish-v4, 1.1 varnish-v4 < Age: 0 < X-Cache: cp1048 pass, cp3035 pass, cp3048 pass < X-Cache-Status: pass < Strict-Transport-Security: max-age=31536000; includeSubDomains; preload < X-Analytics: https=1;nocookies=1 < X-Client-IP: XXX.XXX.XXX.XXX < Access-Control-Allow-Origin: * < Access-Control-Expose-Headers: Age, Date, Content-Length, Content-Range, X-Content-Duration, X-Cache, X-Varnish < Timing-Allow-Origin: *