Invalid blog URLs are unhandled 500 errors

[victorlin]

Going to an invalid URL under /blog such as https://nextstrain.org/blog/invalid shows Next.js's 500: Internal Server Error page.

Possible solutions

Catch the error and:

1. Redirect to /blog

2. Show an error page similar to the one that appears when there is a Markdown parsing error:

   

[genehack]

@victorlin this is probably my fault — I can get it unless you want it?

[victorlin]

this is probably my fault

No worries, I don't remember if we had anything in place before your blog changes. It's possible that it was already broken.

I can get it unless you want it?

All yours!

[victorlin]

Are you planning to (1) redirect or (2) show a custom error page? I've a slight preference for (2)

[genehack]

Are you planning to (1) redirect or (2) show a custom error page? I've a slight preference for (2)

I was going to make it properly 404, ala https://next.nextstrain.org/contact/foo