Custom error 404 possible?


for faster access I store in the www directory of my app HTML files generated by the app. I embed them via an iframe, e.g.<iframe src="https://myserver/myapp/mygeneratedfile.html" />. The problem appears when the file is not yet generated. The Iframe simply contains an <h1>Page not found</h1>, but of course I would like to link to my app then.

I tried to make a custom error-404.html with a template directive in the shiny server configuration. But the custom error 404 page does not appear and from the documentation I have the impression it is not possible. So it is really impossible?

Thanks Sigbert

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