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fix: mention params and searchParams in blocking-route error messages#92360

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aurorascharff merged 8 commits intocanaryfrom
fix/blocking-route-mention-params
Apr 8, 2026
Merged

fix: mention params and searchParams in blocking-route error messages#92360
aurorascharff merged 8 commits intocanaryfrom
fix/blocking-route-mention-params

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What?

Adds params and searchParams to the Dynamic variant of the blocking-route error message.

Why?

When const { id } = await params in a Page component triggers the blocking-route error, the message says "Uncached data or connection() was accessed outside of <Suspense>" — which doesn't mention params at all. This makes it hard for developers and AI agents to connect the error to await params being the cause, or to find the "Params and SearchParams" fix section in the linked error doc.

How?

Updated two error message strings in dynamic-rendering.ts (and the corresponding errors.json entry) to include params and searchParams alongside "Uncached data" and connection().

PR checklist (Fixing a bug)

Made with Cursor

The Dynamic variant of the blocking-route error said "Uncached data"
without mentioning params or searchParams, making it hard to connect
the error to await params in a Page component.

Made-with: Cursor
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nextjs-bot commented Apr 4, 2026

Tests Passed

@aurorascharff aurorascharff marked this pull request as ready for review April 4, 2026 20:21
Copilot AI review requested due to automatic review settings April 4, 2026 20:21
@aurorascharff aurorascharff marked this pull request as draft April 4, 2026 20:21
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Pull request overview

Updates the “blocking-route” Dynamic-variant error messaging to explicitly mention params and searchParams, making it easier to connect common causes like await params with the linked remediation guidance.

Changes:

  • Expanded the Dynamic variant of the blocking-route error description to include params and searchParams.
  • Updated both dynamic-rendering runtime message sites to keep wording consistent.
  • Updated errors.json entry 1084 to match the new message text.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File Description
packages/next/src/server/app-render/dynamic-rendering.ts Updates Dynamic blocking-route error strings to mention params/searchParams.
packages/next/errors.json Updates error message 1084 to match the new Dynamic blocking-route wording.

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nextjs-bot commented Apr 4, 2026

Stats from current PR

✅ No significant changes detected

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📝 Changed Files (8 files)

Files with changes:

  • app-page-exp..ntime.dev.js
  • app-page-exp..time.prod.js
  • app-page-tur..ntime.dev.js
  • app-page-tur..time.prod.js
  • app-page-tur..ntime.dev.js
  • app-page-tur..time.prod.js
  • app-page.runtime.dev.js
  • app-page.runtime.prod.js
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app-page-exp..ntime.dev.js
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app-page-exp..time.prod.js

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📎 Tarball URL
https://vercel-packages.vercel.app/next/commits/873bbaf2ff611c4c70470f94f834d1ba0569d4eb/next

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Additional Suggestions:

  1. Inline snapshot in instant-validation-build test contains stale error message "Uncached data or connection()" that no longer matches the updated source code.
  1. Test inline snapshots contain the old error message "Uncached data or connection()" but the source code was updated to "Uncached data, params, searchParams, or connection()", causing 8 test failures.

Fix on Vercel

@aurorascharff aurorascharff marked this pull request as ready for review April 4, 2026 21:14
@aurorascharff aurorascharff requested a review from gnoff April 7, 2026 22:09
@aurorascharff aurorascharff merged commit b58616b into canary Apr 8, 2026
171 checks passed
@aurorascharff aurorascharff deleted the fix/blocking-route-mention-params branch April 8, 2026 13:09
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