Next.js: Redirect in getStaticProps fails with 500

[gurisko]

Bug report

Describe the bug

Redirect fails in the build on 2nd attempt.

To Reproduce

1. Clone https://github.com/gurisko/nextjs-redirect-bug-hunt
2. Run yarn build.
3. Run yarn start.
4. Go to http://localhost:3000/test. You should be redirected to http://localhost:3000/forbidden.
5. Go to http://localhost:3000/test.
6. See 500 in the UI and error TypeError: argument entity must be string, Buffer, or fs.Stats in the console.

Expected behavior

You should be redirected to http://localhost:3000/forbidden.

System information

• OS: Debian 9
• Version of Next.js: 10.0.1
• Version of Node.js: 12.18.1

More information can be found in the README of the repo.

[ijjk]

Hi, this is fixed in the latest canary of Next.js v10.0.2-canary.17 specifically this PR, please update and give it a try!

[gurisko]

Thank you @ijjk. That indeed fixes the problem!