onRequestError is not triggered for middleware when runtime is nodejs

[yiminghe]

Link to the code that reproduces this issue

https://github.com/yiminghe/on-request-error-bug

To Reproduce

1. pnpm dev
2. open http://localhost:3000/
3. check console

Current vs. Expected behavior

current (15.5.x, canary when runtime is nodejs):
no 'onRequestError' in console

expected(same with when not set runtime):
'onRequestError' in console

Provide environment information

Operating System:
  Platform: darwin
  Arch: arm64
  Version: Darwin Kernel Version 25.0.0: Mon Aug 25 21:12:01 PDT 2025; root:xnu-12377.1.9~3/RELEASE_ARM64_T8132
  Available memory (MB): 16384
  Available CPU cores: 10
Binaries:
  Node: 22.12.0
  npm: 11.4.2
  Yarn: 1.22.22
  pnpm: 10.17.1
Relevant Packages:
  next: 15.6.0-canary.27 // Latest available version is detected (15.6.0-canary.27).
  eslint-config-next: N/A
  react: 19.1.1
  react-dom: 19.1.1
  typescript: 5.9.2
Next.js Config:
  output: N/A

Which area(s) are affected? (Select all that apply)

Error Handling

Which stage(s) are affected? (Select all that apply)

Other (Deployed)

Additional context

No response

[r34son]

PR #83916