fix(nextjs): improve auth() error message to mention infrastructure failures - #8007

Merged
jacekradko merged 6 commits into
mainfrom
jacek/improve-auth-middleware-error-message
May 5, 2026
Merged

fix(nextjs): improve auth() error message to mention infrastructure failures#8007
jacekradko merged 6 commits into
mainfrom
jacek/improve-auth-middleware-error-message

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@jacekradko

@jacekradkojacekradko commented Mar 6, 2026

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Summary

  • Improved the auth() error message when clerkMiddleware() is not detected to include infrastructure failures as a possible cause
  • When middleware is correctly configured but fails to execute due to edge runtime errors or platform outages (e.g. Cloudflare issues), the current error message only suggests configuration problems, which sends developers on a wild goose chase
  • The new message adds a hint that infrastructure issues can also cause this error

How it looks

Before:

Clerk: auth() was called but Clerk can't detect usage of clerkMiddleware(). Please ensure the following:
- Your middleware file exists at ./src/middleware.(ts|js)
- clerkMiddleware() is used in your Next.js middleware file.
- Your middleware matcher is configured to match this route or page.
- If you are using the src directory, make sure the middleware file is inside of it.

After:

Clerk: auth() was called but Clerk can't detect usage of clerkMiddleware(). Please ensure the following:
- Your middleware file exists at ./src/middleware.(ts|js)
- clerkMiddleware() is used in your Next.js middleware file.
- Your middleware matcher is configured to match this route or page.
- If you are using the src directory, make sure the middleware file is inside of it.
- If your middleware file and matcher are configured correctly, this error can also occur if the middleware failed to run on this request (e.g. due to an edge runtime error or platform outage).

Test plan

  • Verified error message renders correctly with and without prefixSteps
  • No logic changes, only string update

Summary by CodeRabbit

  • Bug Fixes

    • Clarified authentication error messaging: when auth checks fail, the message now explicitly notes that verified configuration issues can also stem from runtime or infrastructure problems (e.g., platform outages or execution environment errors), helping users distinguish configuration issues from transient service/runtime failures.
  • Chores

    • Added a changelog entry recording the improved error message.

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🦋 Changeset detected

Latest commit: 667c1f7

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package
NameType
@clerk/nextjsPatch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

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No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info
⚙️ Run configuration

Configuration used: Repository YAML (base), Organization UI (inherited)

Review profile: CHILL

Plan: Pro

Run ID: 27cc09f8-63f6-4409-bcdb-3e4212f990f8

📥 Commits

Reviewing files that changed from the base of the PR and between d16df7d and 0920cf9.

📒 Files selected for processing (1)
  • packages/nextjs/src/server/errors.ts
🚧 Files skipped from review as they are similar to previous changes (1)
  • packages/nextjs/src/server/errors.ts

📝 Walkthrough

Walkthrough

Adds a changeset file for a patch release of @clerk/nextjs and updates the authAuthHeaderMissing error message in packages/nextjs/src/server/errors.ts to also indicate that infrastructure or communication issues (e.g., edge runtime errors or platform outages) can cause the error when clerkMiddleware() is not detected. No public API, function signature, or behavioral changes were introduced.

🚥 Pre-merge checks | ✅ 3
✅ Passed checks (3 passed)
Check nameStatusExplanation
Description Check✅ PassedCheck skipped - CodeRabbit’s high-level summary is enabled.
Title check✅ PassedThe title clearly and concisely summarizes the main change: improving the auth() error message to mention infrastructure failures.
Docstring Coverage✅ PassedNo functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✏️ Tip: You can configure your own custom pre-merge checks in the settings.


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@clerk/localizations

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@clerk/nextjs

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@clerk/nuxt

npm i https://pkg.pr.new/@clerk/nuxt@8007

@clerk/react

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@clerk/react-router

npm i https://pkg.pr.new/@clerk/react-router@8007

@clerk/shared

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@clerk/tanstack-react-start

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@clerk/testing

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@clerk/ui

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@clerk/upgrade

npm i https://pkg.pr.new/@clerk/upgrade@8007

@clerk/vue

npm i https://pkg.pr.new/@clerk/vue@8007

commit: 667c1f7

Comment threadpackages/nextjs/src/server/errors.ts Outdated
Comment threadpackages/nextjs/src/server/errors.ts Outdated
Co-authored-by: Tom Milewski <me@tm.codes>
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Hello 👋

We currently close PRs after 60 days of inactivity. It's been 50 days since the last update here. If we missed this PR, please reply here. Otherwise, we'll close this PR in 10 days.

Thanks for being a part of the Clerk community! 🙏

@jacekradko
jacekradko merged commit 30ec271 into mainMay 5, 2026
43 checks passed
@jacekradko
jacekradko deleted the jacek/improve-auth-middleware-error-message branch May 5, 2026 21:35
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@jacekradko@tmilewski@brkalow@wobsoriano
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
Skip to content

fix(nextjs): improve auth() error message to mention infrastructure failures - #8007

Merged
jacekradko merged 6 commits into
mainfrom
jacek/improve-auth-middleware-error-message
May 5, 2026
Merged

fix(nextjs): improve auth() error message to mention infrastructure failures#8007
jacekradko merged 6 commits into
mainfrom
jacek/improve-auth-middleware-error-message

Conversation

@jacekradko

@jacekradkojacekradko commented Mar 6, 2026

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Contributor

Summary

  • Improved the auth() error message when clerkMiddleware() is not detected to include infrastructure failures as a possible cause
  • When middleware is correctly configured but fails to execute due to edge runtime errors or platform outages (e.g. Cloudflare issues), the current error message only suggests configuration problems, which sends developers on a wild goose chase
  • The new message adds a hint that infrastructure issues can also cause this error

How it looks

Before:

Clerk: auth() was called but Clerk can't detect usage of clerkMiddleware(). Please ensure the following:
- Your middleware file exists at ./src/middleware.(ts|js)
- clerkMiddleware() is used in your Next.js middleware file.
- Your middleware matcher is configured to match this route or page.
- If you are using the src directory, make sure the middleware file is inside of it.

After:

Clerk: auth() was called but Clerk can't detect usage of clerkMiddleware(). Please ensure the following:
- Your middleware file exists at ./src/middleware.(ts|js)
- clerkMiddleware() is used in your Next.js middleware file.
- Your middleware matcher is configured to match this route or page.
- If you are using the src directory, make sure the middleware file is inside of it.
- If your middleware file and matcher are configured correctly, this error can also occur if the middleware failed to run on this request (e.g. due to an edge runtime error or platform outage).

Test plan

  • Verified error message renders correctly with and without prefixSteps
  • No logic changes, only string update

Summary by CodeRabbit

  • Bug Fixes

    • Clarified authentication error messaging: when auth checks fail, the message now explicitly notes that verified configuration issues can also stem from runtime or infrastructure problems (e.g., platform outages or execution environment errors), helping users distinguish configuration issues from transient service/runtime failures.
  • Chores

    • Added a changelog entry recording the improved error message.

@vercel

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ProjectDeploymentActionsUpdated (UTC)
clerk-js-sandboxReadyReadyPreview, CommentMay 5, 2026 7:06pm

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@changeset-bot

changeset-botBot commented Mar 6, 2026

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🦋 Changeset detected

Latest commit: 667c1f7

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package
NameType
@clerk/nextjsPatch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

@coderabbitai

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No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info
⚙️ Run configuration

Configuration used: Repository YAML (base), Organization UI (inherited)

Review profile: CHILL

Plan: Pro

Run ID: 27cc09f8-63f6-4409-bcdb-3e4212f990f8

📥 Commits

Reviewing files that changed from the base of the PR and between d16df7d and 0920cf9.

📒 Files selected for processing (1)
  • packages/nextjs/src/server/errors.ts
🚧 Files skipped from review as they are similar to previous changes (1)
  • packages/nextjs/src/server/errors.ts

📝 Walkthrough

Walkthrough

Adds a changeset file for a patch release of @clerk/nextjs and updates the authAuthHeaderMissing error message in packages/nextjs/src/server/errors.ts to also indicate that infrastructure or communication issues (e.g., edge runtime errors or platform outages) can cause the error when clerkMiddleware() is not detected. No public API, function signature, or behavioral changes were introduced.

🚥 Pre-merge checks | ✅ 3
✅ Passed checks (3 passed)
Check nameStatusExplanation
Description Check✅ PassedCheck skipped - CodeRabbit’s high-level summary is enabled.
Title check✅ PassedThe title clearly and concisely summarizes the main change: improving the auth() error message to mention infrastructure failures.
Docstring Coverage✅ PassedNo functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✏️ Tip: You can configure your own custom pre-merge checks in the settings.


Comment @coderabbitai help to get the list of available commands and usage tips.

@pkg-pr-new

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@clerk/astro

npm i https://pkg.pr.new/@clerk/astro@8007

@clerk/backend

npm i https://pkg.pr.new/@clerk/backend@8007

@clerk/chrome-extension

npm i https://pkg.pr.new/@clerk/chrome-extension@8007

@clerk/clerk-js

npm i https://pkg.pr.new/@clerk/clerk-js@8007

@clerk/dev-cli

npm i https://pkg.pr.new/@clerk/dev-cli@8007

@clerk/expo

npm i https://pkg.pr.new/@clerk/expo@8007

@clerk/expo-passkeys

npm i https://pkg.pr.new/@clerk/expo-passkeys@8007

@clerk/express

npm i https://pkg.pr.new/@clerk/express@8007

@clerk/fastify

npm i https://pkg.pr.new/@clerk/fastify@8007

@clerk/hono

npm i https://pkg.pr.new/@clerk/hono@8007

@clerk/localizations

npm i https://pkg.pr.new/@clerk/localizations@8007

@clerk/nextjs

npm i https://pkg.pr.new/@clerk/nextjs@8007

@clerk/nuxt

npm i https://pkg.pr.new/@clerk/nuxt@8007

@clerk/react

npm i https://pkg.pr.new/@clerk/react@8007

@clerk/react-router

npm i https://pkg.pr.new/@clerk/react-router@8007

@clerk/shared

npm i https://pkg.pr.new/@clerk/shared@8007

@clerk/tanstack-react-start

npm i https://pkg.pr.new/@clerk/tanstack-react-start@8007

@clerk/testing

npm i https://pkg.pr.new/@clerk/testing@8007

@clerk/ui

npm i https://pkg.pr.new/@clerk/ui@8007

@clerk/upgrade

npm i https://pkg.pr.new/@clerk/upgrade@8007

@clerk/vue

npm i https://pkg.pr.new/@clerk/vue@8007

commit: 667c1f7

Comment threadpackages/nextjs/src/server/errors.ts Outdated
Comment threadpackages/nextjs/src/server/errors.ts Outdated
Co-authored-by: Tom Milewski <me@tm.codes>
@github-actions

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Contributor

Hello 👋

We currently close PRs after 60 days of inactivity. It's been 50 days since the last update here. If we missed this PR, please reply here. Otherwise, we'll close this PR in 10 days.

Thanks for being a part of the Clerk community! 🙏

@jacekradko
jacekradko merged commit 30ec271 into mainMay 5, 2026
43 checks passed
@jacekradko
jacekradko deleted the jacek/improve-auth-middleware-error-message branch May 5, 2026 21:35
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@jacekradko@tmilewski@brkalow@wobsoriano
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix"); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

fix(nextjs): improve auth() error message to mention infrastructure failures - #8007

Merged
jacekradko merged 6 commits into
mainfrom
jacek/improve-auth-middleware-error-message
May 5, 2026
Merged

fix(nextjs): improve auth() error message to mention infrastructure failures#8007
jacekradko merged 6 commits into
mainfrom
jacek/improve-auth-middleware-error-message

Conversation

@jacekradko

@jacekradkojacekradko commented Mar 6, 2026

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Contributor

Summary

  • Improved the auth() error message when clerkMiddleware() is not detected to include infrastructure failures as a possible cause
  • When middleware is correctly configured but fails to execute due to edge runtime errors or platform outages (e.g. Cloudflare issues), the current error message only suggests configuration problems, which sends developers on a wild goose chase
  • The new message adds a hint that infrastructure issues can also cause this error

How it looks

Before:

Clerk: auth() was called but Clerk can't detect usage of clerkMiddleware(). Please ensure the following:
- Your middleware file exists at ./src/middleware.(ts|js)
- clerkMiddleware() is used in your Next.js middleware file.
- Your middleware matcher is configured to match this route or page.
- If you are using the src directory, make sure the middleware file is inside of it.

After:

Clerk: auth() was called but Clerk can't detect usage of clerkMiddleware(). Please ensure the following:
- Your middleware file exists at ./src/middleware.(ts|js)
- clerkMiddleware() is used in your Next.js middleware file.
- Your middleware matcher is configured to match this route or page.
- If you are using the src directory, make sure the middleware file is inside of it.
- If your middleware file and matcher are configured correctly, this error can also occur if the middleware failed to run on this request (e.g. due to an edge runtime error or platform outage).

Test plan

  • Verified error message renders correctly with and without prefixSteps
  • No logic changes, only string update

Summary by CodeRabbit

  • Bug Fixes

    • Clarified authentication error messaging: when auth checks fail, the message now explicitly notes that verified configuration issues can also stem from runtime or infrastructure problems (e.g., platform outages or execution environment errors), helping users distinguish configuration issues from transient service/runtime failures.
  • Chores

    • Added a changelog entry recording the improved error message.

@vercel

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ProjectDeploymentActionsUpdated (UTC)
clerk-js-sandboxReadyReadyPreview, CommentMay 5, 2026 7:06pm

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@changeset-bot

changeset-botBot commented Mar 6, 2026

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🦋 Changeset detected

Latest commit: 667c1f7

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package
NameType
@clerk/nextjsPatch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

@coderabbitai

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No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info
⚙️ Run configuration

Configuration used: Repository YAML (base), Organization UI (inherited)

Review profile: CHILL

Plan: Pro

Run ID: 27cc09f8-63f6-4409-bcdb-3e4212f990f8

📥 Commits

Reviewing files that changed from the base of the PR and between d16df7d and 0920cf9.

📒 Files selected for processing (1)
  • packages/nextjs/src/server/errors.ts
🚧 Files skipped from review as they are similar to previous changes (1)
  • packages/nextjs/src/server/errors.ts

📝 Walkthrough

Walkthrough

Adds a changeset file for a patch release of @clerk/nextjs and updates the authAuthHeaderMissing error message in packages/nextjs/src/server/errors.ts to also indicate that infrastructure or communication issues (e.g., edge runtime errors or platform outages) can cause the error when clerkMiddleware() is not detected. No public API, function signature, or behavioral changes were introduced.

🚥 Pre-merge checks | ✅ 3
✅ Passed checks (3 passed)
Check nameStatusExplanation
Description Check✅ PassedCheck skipped - CodeRabbit’s high-level summary is enabled.
Title check✅ PassedThe title clearly and concisely summarizes the main change: improving the auth() error message to mention infrastructure failures.
Docstring Coverage✅ PassedNo functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✏️ Tip: You can configure your own custom pre-merge checks in the settings.


Comment @coderabbitai help to get the list of available commands and usage tips.

@pkg-pr-new

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@clerk/astro

npm i https://pkg.pr.new/@clerk/astro@8007

@clerk/backend

npm i https://pkg.pr.new/@clerk/backend@8007

@clerk/chrome-extension

npm i https://pkg.pr.new/@clerk/chrome-extension@8007

@clerk/clerk-js

npm i https://pkg.pr.new/@clerk/clerk-js@8007

@clerk/dev-cli

npm i https://pkg.pr.new/@clerk/dev-cli@8007

@clerk/expo

npm i https://pkg.pr.new/@clerk/expo@8007

@clerk/expo-passkeys

npm i https://pkg.pr.new/@clerk/expo-passkeys@8007

@clerk/express

npm i https://pkg.pr.new/@clerk/express@8007

@clerk/fastify

npm i https://pkg.pr.new/@clerk/fastify@8007

@clerk/hono

npm i https://pkg.pr.new/@clerk/hono@8007

@clerk/localizations

npm i https://pkg.pr.new/@clerk/localizations@8007

@clerk/nextjs

npm i https://pkg.pr.new/@clerk/nextjs@8007

@clerk/nuxt

npm i https://pkg.pr.new/@clerk/nuxt@8007

@clerk/react

npm i https://pkg.pr.new/@clerk/react@8007

@clerk/react-router

npm i https://pkg.pr.new/@clerk/react-router@8007

@clerk/shared

npm i https://pkg.pr.new/@clerk/shared@8007

@clerk/tanstack-react-start

npm i https://pkg.pr.new/@clerk/tanstack-react-start@8007

@clerk/testing

npm i https://pkg.pr.new/@clerk/testing@8007

@clerk/ui

npm i https://pkg.pr.new/@clerk/ui@8007

@clerk/upgrade

npm i https://pkg.pr.new/@clerk/upgrade@8007

@clerk/vue

npm i https://pkg.pr.new/@clerk/vue@8007

commit: 667c1f7

Comment threadpackages/nextjs/src/server/errors.ts Outdated
Comment threadpackages/nextjs/src/server/errors.ts Outdated
Co-authored-by: Tom Milewski <me@tm.codes>
@github-actions

Copy link
Copy Markdown
Contributor

Hello 👋

We currently close PRs after 60 days of inactivity. It's been 50 days since the last update here. If we missed this PR, please reply here. Otherwise, we'll close this PR in 10 days.

Thanks for being a part of the Clerk community! 🙏

@jacekradko
jacekradko merged commit 30ec271 into mainMay 5, 2026
43 checks passed
@jacekradko
jacekradko deleted the jacek/improve-auth-middleware-error-message branch May 5, 2026 21:35
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Successfully merging this pull request may close these issues.

4 participants

@jacekradko@tmilewski@brkalow@wobsoriano
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms"); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

fix(nextjs): improve auth() error message to mention infrastructure failures - #8007

Merged
jacekradko merged 6 commits into
mainfrom
jacek/improve-auth-middleware-error-message
May 5, 2026
Merged

fix(nextjs): improve auth() error message to mention infrastructure failures#8007
jacekradko merged 6 commits into
mainfrom
jacek/improve-auth-middleware-error-message

Conversation

@jacekradko

@jacekradkojacekradko commented Mar 6, 2026

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Summary

  • Improved the auth() error message when clerkMiddleware() is not detected to include infrastructure failures as a possible cause
  • When middleware is correctly configured but fails to execute due to edge runtime errors or platform outages (e.g. Cloudflare issues), the current error message only suggests configuration problems, which sends developers on a wild goose chase
  • The new message adds a hint that infrastructure issues can also cause this error

How it looks

Before:

Clerk: auth() was called but Clerk can't detect usage of clerkMiddleware(). Please ensure the following:
- Your middleware file exists at ./src/middleware.(ts|js)
- clerkMiddleware() is used in your Next.js middleware file.
- Your middleware matcher is configured to match this route or page.
- If you are using the src directory, make sure the middleware file is inside of it.

After:

Clerk: auth() was called but Clerk can't detect usage of clerkMiddleware(). Please ensure the following:
- Your middleware file exists at ./src/middleware.(ts|js)
- clerkMiddleware() is used in your Next.js middleware file.
- Your middleware matcher is configured to match this route or page.
- If you are using the src directory, make sure the middleware file is inside of it.
- If your middleware file and matcher are configured correctly, this error can also occur if the middleware failed to run on this request (e.g. due to an edge runtime error or platform outage).

Test plan

  • Verified error message renders correctly with and without prefixSteps
  • No logic changes, only string update

Summary by CodeRabbit

  • Bug Fixes

    • Clarified authentication error messaging: when auth checks fail, the message now explicitly notes that verified configuration issues can also stem from runtime or infrastructure problems (e.g., platform outages or execution environment errors), helping users distinguish configuration issues from transient service/runtime failures.
  • Chores

    • Added a changelog entry recording the improved error message.

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🦋 Changeset detected

Latest commit: 667c1f7

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package
NameType
@clerk/nextjsPatch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

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No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info
⚙️ Run configuration

Configuration used: Repository YAML (base), Organization UI (inherited)

Review profile: CHILL

Plan: Pro

Run ID: 27cc09f8-63f6-4409-bcdb-3e4212f990f8

📥 Commits

Reviewing files that changed from the base of the PR and between d16df7d and 0920cf9.

📒 Files selected for processing (1)
  • packages/nextjs/src/server/errors.ts
🚧 Files skipped from review as they are similar to previous changes (1)
  • packages/nextjs/src/server/errors.ts

📝 Walkthrough

Walkthrough

Adds a changeset file for a patch release of @clerk/nextjs and updates the authAuthHeaderMissing error message in packages/nextjs/src/server/errors.ts to also indicate that infrastructure or communication issues (e.g., edge runtime errors or platform outages) can cause the error when clerkMiddleware() is not detected. No public API, function signature, or behavioral changes were introduced.

🚥 Pre-merge checks | ✅ 3
✅ Passed checks (3 passed)
Check nameStatusExplanation
Description Check✅ PassedCheck skipped - CodeRabbit’s high-level summary is enabled.
Title check✅ PassedThe title clearly and concisely summarizes the main change: improving the auth() error message to mention infrastructure failures.
Docstring Coverage✅ PassedNo functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✏️ Tip: You can configure your own custom pre-merge checks in the settings.


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@clerk/clerk-js

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@clerk/hono

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@clerk/localizations

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@clerk/nextjs

npm i https://pkg.pr.new/@clerk/nextjs@8007

@clerk/nuxt

npm i https://pkg.pr.new/@clerk/nuxt@8007

@clerk/react

npm i https://pkg.pr.new/@clerk/react@8007

@clerk/react-router

npm i https://pkg.pr.new/@clerk/react-router@8007

@clerk/shared

npm i https://pkg.pr.new/@clerk/shared@8007

@clerk/tanstack-react-start

npm i https://pkg.pr.new/@clerk/tanstack-react-start@8007

@clerk/testing

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@clerk/ui

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@clerk/upgrade

npm i https://pkg.pr.new/@clerk/upgrade@8007

@clerk/vue

npm i https://pkg.pr.new/@clerk/vue@8007

commit: 667c1f7

Comment threadpackages/nextjs/src/server/errors.ts Outdated
Comment threadpackages/nextjs/src/server/errors.ts Outdated
Co-authored-by: Tom Milewski <me@tm.codes>
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Hello 👋

We currently close PRs after 60 days of inactivity. It's been 50 days since the last update here. If we missed this PR, please reply here. Otherwise, we'll close this PR in 10 days.

Thanks for being a part of the Clerk community! 🙏

@jacekradko
jacekradko merged commit 30ec271 into mainMay 5, 2026
43 checks passed
@jacekradko
jacekradko deleted the jacek/improve-auth-middleware-error-message branch May 5, 2026 21:35
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@jacekradko@tmilewski@brkalow@wobsoriano
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links"); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + '
Skip to content

fix(nextjs): improve auth() error message to mention infrastructure failures - #8007

Merged
jacekradko merged 6 commits into
mainfrom
jacek/improve-auth-middleware-error-message
May 5, 2026
Merged

fix(nextjs): improve auth() error message to mention infrastructure failures#8007
jacekradko merged 6 commits into
mainfrom
jacek/improve-auth-middleware-error-message

Conversation

@jacekradko

@jacekradkojacekradko commented Mar 6, 2026

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Contributor

Summary

  • Improved the auth() error message when clerkMiddleware() is not detected to include infrastructure failures as a possible cause
  • When middleware is correctly configured but fails to execute due to edge runtime errors or platform outages (e.g. Cloudflare issues), the current error message only suggests configuration problems, which sends developers on a wild goose chase
  • The new message adds a hint that infrastructure issues can also cause this error

How it looks

Before:

Clerk: auth() was called but Clerk can't detect usage of clerkMiddleware(). Please ensure the following:
- Your middleware file exists at ./src/middleware.(ts|js)
- clerkMiddleware() is used in your Next.js middleware file.
- Your middleware matcher is configured to match this route or page.
- If you are using the src directory, make sure the middleware file is inside of it.

After:

Clerk: auth() was called but Clerk can't detect usage of clerkMiddleware(). Please ensure the following:
- Your middleware file exists at ./src/middleware.(ts|js)
- clerkMiddleware() is used in your Next.js middleware file.
- Your middleware matcher is configured to match this route or page.
- If you are using the src directory, make sure the middleware file is inside of it.
- If your middleware file and matcher are configured correctly, this error can also occur if the middleware failed to run on this request (e.g. due to an edge runtime error or platform outage).

Test plan

  • Verified error message renders correctly with and without prefixSteps
  • No logic changes, only string update

Summary by CodeRabbit

  • Bug Fixes

    • Clarified authentication error messaging: when auth checks fail, the message now explicitly notes that verified configuration issues can also stem from runtime or infrastructure problems (e.g., platform outages or execution environment errors), helping users distinguish configuration issues from transient service/runtime failures.
  • Chores

    • Added a changelog entry recording the improved error message.

@vercel

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ProjectDeploymentActionsUpdated (UTC)
clerk-js-sandboxReadyReadyPreview, CommentMay 5, 2026 7:06pm

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@changeset-bot

changeset-botBot commented Mar 6, 2026

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🦋 Changeset detected

Latest commit: 667c1f7

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package
NameType
@clerk/nextjsPatch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

@coderabbitai

coderabbitaiBot commented Mar 6, 2026

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No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info
⚙️ Run configuration

Configuration used: Repository YAML (base), Organization UI (inherited)

Review profile: CHILL

Plan: Pro

Run ID: 27cc09f8-63f6-4409-bcdb-3e4212f990f8

📥 Commits

Reviewing files that changed from the base of the PR and between d16df7d and 0920cf9.

📒 Files selected for processing (1)
  • packages/nextjs/src/server/errors.ts
🚧 Files skipped from review as they are similar to previous changes (1)
  • packages/nextjs/src/server/errors.ts

📝 Walkthrough

Walkthrough

Adds a changeset file for a patch release of @clerk/nextjs and updates the authAuthHeaderMissing error message in packages/nextjs/src/server/errors.ts to also indicate that infrastructure or communication issues (e.g., edge runtime errors or platform outages) can cause the error when clerkMiddleware() is not detected. No public API, function signature, or behavioral changes were introduced.

🚥 Pre-merge checks | ✅ 3
✅ Passed checks (3 passed)
Check nameStatusExplanation
Description Check✅ PassedCheck skipped - CodeRabbit’s high-level summary is enabled.
Title check✅ PassedThe title clearly and concisely summarizes the main change: improving the auth() error message to mention infrastructure failures.
Docstring Coverage✅ PassedNo functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✏️ Tip: You can configure your own custom pre-merge checks in the settings.


Comment @coderabbitai help to get the list of available commands and usage tips.

@pkg-pr-new

pkg-pr-newBot commented Mar 6, 2026

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@clerk/astro

npm i https://pkg.pr.new/@clerk/astro@8007

@clerk/backend

npm i https://pkg.pr.new/@clerk/backend@8007

@clerk/chrome-extension

npm i https://pkg.pr.new/@clerk/chrome-extension@8007

@clerk/clerk-js

npm i https://pkg.pr.new/@clerk/clerk-js@8007

@clerk/dev-cli

npm i https://pkg.pr.new/@clerk/dev-cli@8007

@clerk/expo

npm i https://pkg.pr.new/@clerk/expo@8007

@clerk/expo-passkeys

npm i https://pkg.pr.new/@clerk/expo-passkeys@8007

@clerk/express

npm i https://pkg.pr.new/@clerk/express@8007

@clerk/fastify

npm i https://pkg.pr.new/@clerk/fastify@8007

@clerk/hono

npm i https://pkg.pr.new/@clerk/hono@8007

@clerk/localizations

npm i https://pkg.pr.new/@clerk/localizations@8007

@clerk/nextjs

npm i https://pkg.pr.new/@clerk/nextjs@8007

@clerk/nuxt

npm i https://pkg.pr.new/@clerk/nuxt@8007

@clerk/react

npm i https://pkg.pr.new/@clerk/react@8007

@clerk/react-router

npm i https://pkg.pr.new/@clerk/react-router@8007

@clerk/shared

npm i https://pkg.pr.new/@clerk/shared@8007

@clerk/tanstack-react-start

npm i https://pkg.pr.new/@clerk/tanstack-react-start@8007

@clerk/testing

npm i https://pkg.pr.new/@clerk/testing@8007

@clerk/ui

npm i https://pkg.pr.new/@clerk/ui@8007

@clerk/upgrade

npm i https://pkg.pr.new/@clerk/upgrade@8007

@clerk/vue

npm i https://pkg.pr.new/@clerk/vue@8007

commit: 667c1f7

Comment threadpackages/nextjs/src/server/errors.ts Outdated
Comment threadpackages/nextjs/src/server/errors.ts Outdated
Co-authored-by: Tom Milewski <me@tm.codes>
@github-actions

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Contributor

Hello 👋

We currently close PRs after 60 days of inactivity. It's been 50 days since the last update here. If we missed this PR, please reply here. Otherwise, we'll close this PR in 10 days.

Thanks for being a part of the Clerk community! 🙏

@jacekradko
jacekradko merged commit 30ec271 into mainMay 5, 2026
43 checks passed
@jacekradko
jacekradko deleted the jacek/improve-auth-middleware-error-message branch May 5, 2026 21:35
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Development

Successfully merging this pull request may close these issues.

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@jacekradko@tmilewski@brkalow@wobsoriano
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default"); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

fix(nextjs): improve auth() error message to mention infrastructure failures - #8007

Merged
jacekradko merged 6 commits into
mainfrom
jacek/improve-auth-middleware-error-message
May 5, 2026
Merged

fix(nextjs): improve auth() error message to mention infrastructure failures#8007
jacekradko merged 6 commits into
mainfrom
jacek/improve-auth-middleware-error-message

Conversation

@jacekradko

@jacekradkojacekradko commented Mar 6, 2026

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Contributor

Summary

  • Improved the auth() error message when clerkMiddleware() is not detected to include infrastructure failures as a possible cause
  • When middleware is correctly configured but fails to execute due to edge runtime errors or platform outages (e.g. Cloudflare issues), the current error message only suggests configuration problems, which sends developers on a wild goose chase
  • The new message adds a hint that infrastructure issues can also cause this error

How it looks

Before:

Clerk: auth() was called but Clerk can't detect usage of clerkMiddleware(). Please ensure the following:
- Your middleware file exists at ./src/middleware.(ts|js)
- clerkMiddleware() is used in your Next.js middleware file.
- Your middleware matcher is configured to match this route or page.
- If you are using the src directory, make sure the middleware file is inside of it.

After:

Clerk: auth() was called but Clerk can't detect usage of clerkMiddleware(). Please ensure the following:
- Your middleware file exists at ./src/middleware.(ts|js)
- clerkMiddleware() is used in your Next.js middleware file.
- Your middleware matcher is configured to match this route or page.
- If you are using the src directory, make sure the middleware file is inside of it.
- If your middleware file and matcher are configured correctly, this error can also occur if the middleware failed to run on this request (e.g. due to an edge runtime error or platform outage).

Test plan

  • Verified error message renders correctly with and without prefixSteps
  • No logic changes, only string update

Summary by CodeRabbit

  • Bug Fixes

    • Clarified authentication error messaging: when auth checks fail, the message now explicitly notes that verified configuration issues can also stem from runtime or infrastructure problems (e.g., platform outages or execution environment errors), helping users distinguish configuration issues from transient service/runtime failures.
  • Chores

    • Added a changelog entry recording the improved error message.

@vercel

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ProjectDeploymentActionsUpdated (UTC)
clerk-js-sandboxReadyReadyPreview, CommentMay 5, 2026 7:06pm

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@changeset-bot

changeset-botBot commented Mar 6, 2026

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🦋 Changeset detected

Latest commit: 667c1f7

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package
NameType
@clerk/nextjsPatch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

@coderabbitai

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No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info
⚙️ Run configuration

Configuration used: Repository YAML (base), Organization UI (inherited)

Review profile: CHILL

Plan: Pro

Run ID: 27cc09f8-63f6-4409-bcdb-3e4212f990f8

📥 Commits

Reviewing files that changed from the base of the PR and between d16df7d and 0920cf9.

📒 Files selected for processing (1)
  • packages/nextjs/src/server/errors.ts
🚧 Files skipped from review as they are similar to previous changes (1)
  • packages/nextjs/src/server/errors.ts

📝 Walkthrough

Walkthrough

Adds a changeset file for a patch release of @clerk/nextjs and updates the authAuthHeaderMissing error message in packages/nextjs/src/server/errors.ts to also indicate that infrastructure or communication issues (e.g., edge runtime errors or platform outages) can cause the error when clerkMiddleware() is not detected. No public API, function signature, or behavioral changes were introduced.

🚥 Pre-merge checks | ✅ 3
✅ Passed checks (3 passed)
Check nameStatusExplanation
Description Check✅ PassedCheck skipped - CodeRabbit’s high-level summary is enabled.
Title check✅ PassedThe title clearly and concisely summarizes the main change: improving the auth() error message to mention infrastructure failures.
Docstring Coverage✅ PassedNo functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✏️ Tip: You can configure your own custom pre-merge checks in the settings.


Comment @coderabbitai help to get the list of available commands and usage tips.

@pkg-pr-new

pkg-pr-newBot commented Mar 6, 2026

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Open in StackBlitz

@clerk/astro

npm i https://pkg.pr.new/@clerk/astro@8007

@clerk/backend

npm i https://pkg.pr.new/@clerk/backend@8007

@clerk/chrome-extension

npm i https://pkg.pr.new/@clerk/chrome-extension@8007

@clerk/clerk-js

npm i https://pkg.pr.new/@clerk/clerk-js@8007

@clerk/dev-cli

npm i https://pkg.pr.new/@clerk/dev-cli@8007

@clerk/expo

npm i https://pkg.pr.new/@clerk/expo@8007

@clerk/expo-passkeys

npm i https://pkg.pr.new/@clerk/expo-passkeys@8007

@clerk/express

npm i https://pkg.pr.new/@clerk/express@8007

@clerk/fastify

npm i https://pkg.pr.new/@clerk/fastify@8007

@clerk/hono

npm i https://pkg.pr.new/@clerk/hono@8007

@clerk/localizations

npm i https://pkg.pr.new/@clerk/localizations@8007

@clerk/nextjs

npm i https://pkg.pr.new/@clerk/nextjs@8007

@clerk/nuxt

npm i https://pkg.pr.new/@clerk/nuxt@8007

@clerk/react

npm i https://pkg.pr.new/@clerk/react@8007

@clerk/react-router

npm i https://pkg.pr.new/@clerk/react-router@8007

@clerk/shared

npm i https://pkg.pr.new/@clerk/shared@8007

@clerk/tanstack-react-start

npm i https://pkg.pr.new/@clerk/tanstack-react-start@8007

@clerk/testing

npm i https://pkg.pr.new/@clerk/testing@8007

@clerk/ui

npm i https://pkg.pr.new/@clerk/ui@8007

@clerk/upgrade

npm i https://pkg.pr.new/@clerk/upgrade@8007

@clerk/vue

npm i https://pkg.pr.new/@clerk/vue@8007

commit: 667c1f7

Comment threadpackages/nextjs/src/server/errors.ts Outdated
Comment threadpackages/nextjs/src/server/errors.ts Outdated
Co-authored-by: Tom Milewski <me@tm.codes>
@github-actions

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Hello 👋

We currently close PRs after 60 days of inactivity. It's been 50 days since the last update here. If we missed this PR, please reply here. Otherwise, we'll close this PR in 10 days.

Thanks for being a part of the Clerk community! 🙏

@jacekradko
jacekradko merged commit 30ec271 into mainMay 5, 2026
43 checks passed
@jacekradko
jacekradko deleted the jacek/improve-auth-middleware-error-message branch May 5, 2026 21:35
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers"); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

fix(nextjs): improve auth() error message to mention infrastructure failures - #8007

Merged
jacekradko merged 6 commits into
mainfrom
jacek/improve-auth-middleware-error-message
May 5, 2026
Merged

fix(nextjs): improve auth() error message to mention infrastructure failures#8007
jacekradko merged 6 commits into
mainfrom
jacek/improve-auth-middleware-error-message

Conversation

@jacekradko

@jacekradkojacekradko commented Mar 6, 2026

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Summary

  • Improved the auth() error message when clerkMiddleware() is not detected to include infrastructure failures as a possible cause
  • When middleware is correctly configured but fails to execute due to edge runtime errors or platform outages (e.g. Cloudflare issues), the current error message only suggests configuration problems, which sends developers on a wild goose chase
  • The new message adds a hint that infrastructure issues can also cause this error

How it looks

Before:

Clerk: auth() was called but Clerk can't detect usage of clerkMiddleware(). Please ensure the following:
- Your middleware file exists at ./src/middleware.(ts|js)
- clerkMiddleware() is used in your Next.js middleware file.
- Your middleware matcher is configured to match this route or page.
- If you are using the src directory, make sure the middleware file is inside of it.

After:

Clerk: auth() was called but Clerk can't detect usage of clerkMiddleware(). Please ensure the following:
- Your middleware file exists at ./src/middleware.(ts|js)
- clerkMiddleware() is used in your Next.js middleware file.
- Your middleware matcher is configured to match this route or page.
- If you are using the src directory, make sure the middleware file is inside of it.
- If your middleware file and matcher are configured correctly, this error can also occur if the middleware failed to run on this request (e.g. due to an edge runtime error or platform outage).

Test plan

  • Verified error message renders correctly with and without prefixSteps
  • No logic changes, only string update

Summary by CodeRabbit

  • Bug Fixes

    • Clarified authentication error messaging: when auth checks fail, the message now explicitly notes that verified configuration issues can also stem from runtime or infrastructure problems (e.g., platform outages or execution environment errors), helping users distinguish configuration issues from transient service/runtime failures.
  • Chores

    • Added a changelog entry recording the improved error message.

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clerk-js-sandboxReadyReadyPreview, CommentMay 5, 2026 7:06pm

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@changeset-bot

changeset-botBot commented Mar 6, 2026

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🦋 Changeset detected

Latest commit: 667c1f7

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package
NameType
@clerk/nextjsPatch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

@coderabbitai

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No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info
⚙️ Run configuration

Configuration used: Repository YAML (base), Organization UI (inherited)

Review profile: CHILL

Plan: Pro

Run ID: 27cc09f8-63f6-4409-bcdb-3e4212f990f8

📥 Commits

Reviewing files that changed from the base of the PR and between d16df7d and 0920cf9.

📒 Files selected for processing (1)
  • packages/nextjs/src/server/errors.ts
🚧 Files skipped from review as they are similar to previous changes (1)
  • packages/nextjs/src/server/errors.ts

📝 Walkthrough

Walkthrough

Adds a changeset file for a patch release of @clerk/nextjs and updates the authAuthHeaderMissing error message in packages/nextjs/src/server/errors.ts to also indicate that infrastructure or communication issues (e.g., edge runtime errors or platform outages) can cause the error when clerkMiddleware() is not detected. No public API, function signature, or behavioral changes were introduced.

🚥 Pre-merge checks | ✅ 3
✅ Passed checks (3 passed)
Check nameStatusExplanation
Description Check✅ PassedCheck skipped - CodeRabbit’s high-level summary is enabled.
Title check✅ PassedThe title clearly and concisely summarizes the main change: improving the auth() error message to mention infrastructure failures.
Docstring Coverage✅ PassedNo functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✏️ Tip: You can configure your own custom pre-merge checks in the settings.


Comment @coderabbitai help to get the list of available commands and usage tips.

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@clerk/astro

npm i https://pkg.pr.new/@clerk/astro@8007

@clerk/backend

npm i https://pkg.pr.new/@clerk/backend@8007

@clerk/chrome-extension

npm i https://pkg.pr.new/@clerk/chrome-extension@8007

@clerk/clerk-js

npm i https://pkg.pr.new/@clerk/clerk-js@8007

@clerk/dev-cli

npm i https://pkg.pr.new/@clerk/dev-cli@8007

@clerk/expo

npm i https://pkg.pr.new/@clerk/expo@8007

@clerk/expo-passkeys

npm i https://pkg.pr.new/@clerk/expo-passkeys@8007

@clerk/express

npm i https://pkg.pr.new/@clerk/express@8007

@clerk/fastify

npm i https://pkg.pr.new/@clerk/fastify@8007

@clerk/hono

npm i https://pkg.pr.new/@clerk/hono@8007

@clerk/localizations

npm i https://pkg.pr.new/@clerk/localizations@8007

@clerk/nextjs

npm i https://pkg.pr.new/@clerk/nextjs@8007

@clerk/nuxt

npm i https://pkg.pr.new/@clerk/nuxt@8007

@clerk/react

npm i https://pkg.pr.new/@clerk/react@8007

@clerk/react-router

npm i https://pkg.pr.new/@clerk/react-router@8007

@clerk/shared

npm i https://pkg.pr.new/@clerk/shared@8007

@clerk/tanstack-react-start

npm i https://pkg.pr.new/@clerk/tanstack-react-start@8007

@clerk/testing

npm i https://pkg.pr.new/@clerk/testing@8007

@clerk/ui

npm i https://pkg.pr.new/@clerk/ui@8007

@clerk/upgrade

npm i https://pkg.pr.new/@clerk/upgrade@8007

@clerk/vue

npm i https://pkg.pr.new/@clerk/vue@8007

commit: 667c1f7

Comment threadpackages/nextjs/src/server/errors.ts Outdated
Comment threadpackages/nextjs/src/server/errors.ts Outdated
Co-authored-by: Tom Milewski <me@tm.codes>
@github-actions

Copy link
Copy Markdown
Contributor

Hello 👋

We currently close PRs after 60 days of inactivity. It's been 50 days since the last update here. If we missed this PR, please reply here. Otherwise, we'll close this PR in 10 days.

Thanks for being a part of the Clerk community! 🙏

@jacekradko
jacekradko merged commit 30ec271 into mainMay 5, 2026
43 checks passed
@jacekradko
jacekradko deleted the jacek/improve-auth-middleware-error-message branch May 5, 2026 21:35
Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

Labels

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Development

Successfully merging this pull request may close these issues.

4 participants

@jacekradko@tmilewski@brkalow@wobsoriano
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode"); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })();
Skip to content

fix(nextjs): improve auth() error message to mention infrastructure failures - #8007

Merged
jacekradko merged 6 commits into
mainfrom
jacek/improve-auth-middleware-error-message
May 5, 2026
Merged

fix(nextjs): improve auth() error message to mention infrastructure failures#8007
jacekradko merged 6 commits into
mainfrom
jacek/improve-auth-middleware-error-message

Conversation

@jacekradko

@jacekradkojacekradko commented Mar 6, 2026

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Contributor

Summary

  • Improved the auth() error message when clerkMiddleware() is not detected to include infrastructure failures as a possible cause
  • When middleware is correctly configured but fails to execute due to edge runtime errors or platform outages (e.g. Cloudflare issues), the current error message only suggests configuration problems, which sends developers on a wild goose chase
  • The new message adds a hint that infrastructure issues can also cause this error

How it looks

Before:

Clerk: auth() was called but Clerk can't detect usage of clerkMiddleware(). Please ensure the following:
- Your middleware file exists at ./src/middleware.(ts|js)
- clerkMiddleware() is used in your Next.js middleware file.
- Your middleware matcher is configured to match this route or page.
- If you are using the src directory, make sure the middleware file is inside of it.

After:

Clerk: auth() was called but Clerk can't detect usage of clerkMiddleware(). Please ensure the following:
- Your middleware file exists at ./src/middleware.(ts|js)
- clerkMiddleware() is used in your Next.js middleware file.
- Your middleware matcher is configured to match this route or page.
- If you are using the src directory, make sure the middleware file is inside of it.
- If your middleware file and matcher are configured correctly, this error can also occur if the middleware failed to run on this request (e.g. due to an edge runtime error or platform outage).

Test plan

  • Verified error message renders correctly with and without prefixSteps
  • No logic changes, only string update

Summary by CodeRabbit

  • Bug Fixes

    • Clarified authentication error messaging: when auth checks fail, the message now explicitly notes that verified configuration issues can also stem from runtime or infrastructure problems (e.g., platform outages or execution environment errors), helping users distinguish configuration issues from transient service/runtime failures.
  • Chores

    • Added a changelog entry recording the improved error message.

@vercel

vercelBot commented Mar 6, 2026

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The latest updates on your projects. Learn more about Vercel for GitHub.

ProjectDeploymentActionsUpdated (UTC)
clerk-js-sandboxReadyReadyPreview, CommentMay 5, 2026 7:06pm

Request Review

@changeset-bot

changeset-botBot commented Mar 6, 2026

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🦋 Changeset detected

Latest commit: 667c1f7

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package
NameType
@clerk/nextjsPatch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

@coderabbitai

coderabbitaiBot commented Mar 6, 2026

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No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info
⚙️ Run configuration

Configuration used: Repository YAML (base), Organization UI (inherited)

Review profile: CHILL

Plan: Pro

Run ID: 27cc09f8-63f6-4409-bcdb-3e4212f990f8

📥 Commits

Reviewing files that changed from the base of the PR and between d16df7d and 0920cf9.

📒 Files selected for processing (1)
  • packages/nextjs/src/server/errors.ts
🚧 Files skipped from review as they are similar to previous changes (1)
  • packages/nextjs/src/server/errors.ts

📝 Walkthrough

Walkthrough

Adds a changeset file for a patch release of @clerk/nextjs and updates the authAuthHeaderMissing error message in packages/nextjs/src/server/errors.ts to also indicate that infrastructure or communication issues (e.g., edge runtime errors or platform outages) can cause the error when clerkMiddleware() is not detected. No public API, function signature, or behavioral changes were introduced.

🚥 Pre-merge checks | ✅ 3
✅ Passed checks (3 passed)
Check nameStatusExplanation
Description Check✅ PassedCheck skipped - CodeRabbit’s high-level summary is enabled.
Title check✅ PassedThe title clearly and concisely summarizes the main change: improving the auth() error message to mention infrastructure failures.
Docstring Coverage✅ PassedNo functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✏️ Tip: You can configure your own custom pre-merge checks in the settings.


Comment @coderabbitai help to get the list of available commands and usage tips.

@pkg-pr-new

pkg-pr-newBot commented Mar 6, 2026

Copy link
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Open in StackBlitz

@clerk/astro

npm i https://pkg.pr.new/@clerk/astro@8007

@clerk/backend

npm i https://pkg.pr.new/@clerk/backend@8007

@clerk/chrome-extension

npm i https://pkg.pr.new/@clerk/chrome-extension@8007

@clerk/clerk-js

npm i https://pkg.pr.new/@clerk/clerk-js@8007

@clerk/dev-cli

npm i https://pkg.pr.new/@clerk/dev-cli@8007

@clerk/expo

npm i https://pkg.pr.new/@clerk/expo@8007

@clerk/expo-passkeys

npm i https://pkg.pr.new/@clerk/expo-passkeys@8007

@clerk/express

npm i https://pkg.pr.new/@clerk/express@8007

@clerk/fastify

npm i https://pkg.pr.new/@clerk/fastify@8007

@clerk/hono

npm i https://pkg.pr.new/@clerk/hono@8007

@clerk/localizations

npm i https://pkg.pr.new/@clerk/localizations@8007

@clerk/nextjs

npm i https://pkg.pr.new/@clerk/nextjs@8007

@clerk/nuxt

npm i https://pkg.pr.new/@clerk/nuxt@8007

@clerk/react

npm i https://pkg.pr.new/@clerk/react@8007

@clerk/react-router

npm i https://pkg.pr.new/@clerk/react-router@8007

@clerk/shared

npm i https://pkg.pr.new/@clerk/shared@8007

@clerk/tanstack-react-start

npm i https://pkg.pr.new/@clerk/tanstack-react-start@8007

@clerk/testing

npm i https://pkg.pr.new/@clerk/testing@8007

@clerk/ui

npm i https://pkg.pr.new/@clerk/ui@8007

@clerk/upgrade

npm i https://pkg.pr.new/@clerk/upgrade@8007

@clerk/vue

npm i https://pkg.pr.new/@clerk/vue@8007

commit: 667c1f7

Comment threadpackages/nextjs/src/server/errors.ts Outdated
Comment threadpackages/nextjs/src/server/errors.ts Outdated
Co-authored-by: Tom Milewski <me@tm.codes>
@github-actions

Copy link
Copy Markdown
Contributor

Hello 👋

We currently close PRs after 60 days of inactivity. It's been 50 days since the last update here. If we missed this PR, please reply here. Otherwise, we'll close this PR in 10 days.

Thanks for being a part of the Clerk community! 🙏

@jacekradko
jacekradko merged commit 30ec271 into mainMay 5, 2026
43 checks passed
@jacekradko
jacekradko deleted the jacek/improve-auth-middleware-error-message branch May 5, 2026 21:35
Sign up for freeto join this conversation on GitHub. Already have an account? Sign in to comment

Labels

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Development

Successfully merging this pull request may close these issues.

4 participants

@jacekradko@tmilewski@brkalow@wobsoriano