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Canary: POST to API-routes hang when using middleware #34966

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kevineinarsson opened this issue Mar 2, 2022 · 2 comments · Fixed by #35131
Closed
1 task done

Canary: POST to API-routes hang when using middleware #34966

kevineinarsson opened this issue Mar 2, 2022 · 2 comments · Fixed by #35131
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Middleware Related to Next.js Middleware

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@kevineinarsson
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Verify canary release

  • I verified that the issue exists in Next.js canary release

Provide environment information

    Operating System:
      Platform: linux
      Arch: x64
      Version: #1 SMP Wed Aug 25 23:20:18 UTC 2021
    Binaries:
      Node: 16.14.0
      npm: 8.3.1
      Yarn: 1.22.17
      pnpm: N/A
    Relevant packages:
      next: 12.1.1-canary.5
      react: 17.0.2
      react-dom: 17.0.2

What browser are you using? (if relevant)

cURL

How are you deploying your application? (if relevant)

next start

Describe the Bug

When using a middleware, POST requests to API-routes never resolve. Commenting out the code added to next-server.ts from #34519 solves the issue. GET works as expected.

Apologies if this is a known issue, thought it would be good to bring up otherwise.

Sidenote: When setting config.api.bodyParser: false on API-routes, won't they still have been replaced in the middleware layer, or is it completely separate?

Expected Behavior

POST requests to api-routes to work.

To Reproduce

https://stackblitz.com/edit/nextjs-hhf3gk
@kevineinarsson kevineinarsson added the bug Issue was opened via the bug report template. label Mar 2, 2022
@balazsorban44
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Confirmed, I created this super minimal reproduction as well: https://github.com/balazsorban44/nextjs-34966

next@12.1.1-canary.1 and up causes the issue, which corresponds with your observation about #34519

@balazsorban44 balazsorban44 added Middleware Related to Next.js Middleware kind: bug and removed bug Issue was opened via the bug report template. labels Mar 3, 2022
@nkzawa nkzawa mentioned this issue Mar 8, 2022
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@kodiakhq kodiakhq bot closed this as completed in #35131 Mar 8, 2022
kodiakhq bot pushed a commit that referenced this issue Mar 8, 2022
@nkzawa
fix post request hangs when no body is consumed on middleware (#35131)
eb87845 
fixes #34966

Wait for reading original request body before overwriting the request properties with `originalBody?.finalize()` call since it caused the problem when middleware does not read request body

## Bug

- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have helpful link attached, see `contributing.md`
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github-actions bot commented Apr 8, 2022

This closed issue has been automatically locked because it had no new activity for a month. If you are running into a similar issue, please create a new issue with the steps to reproduce. Thank you.

@github-actions github-actions bot locked as resolved and limited conversation to collaborators Apr 8, 2022
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fix post request hangs when no body is consumed on middleware nkzawa/next.js
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@balazsorban44 @kevineinarsson