I have a problem trying to load a third party WMS (this one) over HTTP inside a Web AppBuilder app using HTTPs with popups enabled (via this Web map).
I have added a proxy (using the resource proxy) to the config.json and it seems to work (at first) as you will see here:
Every call to "ovc.catastro.meh.es" es been redirected though the proxy but then when the popup is triggered:
And if I edit the HTML directly it works:
Thanks in advance!