Hello, I run a standard Nginx reverse proxy with instructions from one of the official tutorials with DigitalOcean. In the past few weeks, I started to notice (and others, too) random “Cannot Load App” messages when visiting the forum. Just randomly and semi-rarely. Refreshing with F5 instantly sh…

I have the same issue, that always happens when I closed the browser with tabs saved and re open it. Than I get that messege and I need to refresh the page.

Are you starting to have more traffic? I’ve seen this most often when the server isn’t able to keep up.

I think the message that we send when fetch throws an error is confusing. fetch(event.request).catch(function(error) { // The catch is only triggered if fetch() throws an exception, which will most likely // happen due to the server being unreachable. // If fetch() ret…

What do you suggest as the alternate text? Can we even control the text the browser shows in this scenario?

Had this happen to us this morning. I rebooted our droplet (digital ocean hosted) and it seemed to resolve the issue.

[image] Daniel_Nevoigt: I have the same issue, that always happens when I closed the browser with tabs saved and re open it. Than I get that messege and I need to refresh the page. This is a bug in Firefox Session Restore feature active in version 59. Right now I can’t repro this in Firefox …

[image] Falco: This is a bug in Firefox Session Restore feature active in version 59. Right now I can’t repro this in Firefox 60 beta so I’m assuming they fixed it already. Thanks a lot for the Info

FWIW: Seeing this issue on Firefox Nightly 61. Just went to the Letsencrypt Forum … Cannot load app … Then went here to report … Cannot load app. It’s frustrating :frowning:

"Cannot Load App".... in Firefox sometimes. Refresh fixes it

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tgxworld (Alan Tan) April 23, 2018, 2:25am 19

Nice I didn’t know about navigator.onLine. Since it is widely supported, the service worker will now display the cached offline page only when the user is offline.

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"Cannot Load App".... in Firefox sometimes. Refresh fixes it

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