My html files are all returning 500 errors

I was working on my site and suddenly began receiveing 500 errors from all of my html files.

I created a brand new site and deployed fresh from a commit from 24 hours ago and I still get the same issue.

https://extraordinary-centaur-f9eeaa.netlify.app/index.html

Other types of file are working completely fine:

https://extraordinary-centaur-f9eeaa.netlify.app/style.css
https://extraordinary-centaur-f9eeaa.netlify.app/sitemap.xml
https://extraordinary-centaur-f9eeaa.netlify.app/favicon-32x32.png

The build is completing ok, all the files exist. I have pulled down the zip of the artifacts and looked through, all the html files appear correct.

I have no idea how to look into this any further as there is no logging of what caused the 500 error, I don’t believe I have changed any config recently and creating a new site hasn’t helped, so the only issue would be in my netlify.toml (below) which hasn’t changed any time recently.

Any ideas would be apreciated.

[build]
    command= "npm run build"
    publish = "build"

[build.processing]
    skip_processing = false
[build.processing.html]
    pretty_urls = true

[[plugins]]
package = "netlify-plugin-cache"
    [plugins.inputs]
    paths = [
        "build/img/generated",
        ".cache"
    ]

[[headers]]
    for = "/*"
    [headers.values]
        Cache-Control = "public, max-age=31536000"


# Domain redirects

[[redirects]]
    from = "https://redboxmobile.co.uk"
    to = "https://redboxmobile.com"
    status = 301
    force = true

[[redirects]]
    from = "https://www.redboxmobile.co.uk"
    to = "https://redboxmobile.com"
    status = 301
    force = true

[[redirects]]
    from = "https://redbox-mobile.com"
    to = "https://redboxmobile.com"
    status = 301
    force = true

[[redirects]]
    from = "https://www.redbox-mobile.com"
    to = "https://redboxmobile.com"
    status = 301
    force = true

[[redirects]]
    from = "https://www.asotoolkit.com"
    to = "https://redboxmobile.com/aso-toolkit-terms/"
    status = 301
    force = true

[[redirects]]
    from = "https://asotoolkit.com"
    to = "https://redboxmobile.com/aso-toolkit-terms/"
    status = 301
    force = true

[[redirects]]
    from = "https://www.asotoolkit.app"
    to = "https://redboxmobile.com/aso-toolkit-terms/"
    status = 301
    force = true

[[redirects]]
    from = "https://asotoolkit.app"
    to = "https://redboxmobile.com/aso-toolkit-terms/"
    status = 301
    force = true

[[redirects]]
    from = "https://www.redboxmobile.co"
    to = "https://redboxmobile.com"
    status = 301
    force = true

[[redirects]]
    from = "https://redboxmobile.co"
    to = "https://redboxmobile.com"
    status = 301
    force = true


[[redirects]]
    from = "/*/index.html"
    to = "/:splat/"
    status = 301
    force = true

[[redirects]]
    from = "/index.html"
    to = "/"
    status = 301
    force = true

Could you try to re-deploy the site?

I have just re-run my build. It is working now, on both my development and main branch.

I’m guessing you have resolved something on your backend that had broken?

@timothy-bailey-redbo My guess would be this (which you probably already saw):

I did indeed see the status message, and I got the same information via a support ticket.

The issue was on the Netlify side with the deprecation of the post-processing feature. I had not disabled the feature prior to them deprecating it and looks like that got my site stuck in a state where new builds were busted. They have resolved whatever was broken and my site is now running fine again after a rebuild.

ahh! thanks for sharing this with the community. I’m glad your site is working again.