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[Bug]: ISR and next/link Prefetch Cause RSC Page Return Content in self.__next_f.push Function With App Dir on Next.js 14.0.3
Summary
When ISR is enabled and a next/link component with href of the current page (e.g. homepage) URL exists, ISR will be run twice when refreshing the page. The ISR log shows two ISR records of the page at about the same time. I guess it's because ISR will be triggered by the prefetch of the next/link component and the page load.
This sometimes/frequently causes the page content returned to be the code in self.__next_f.push functions in the script tag at the end of the body tag, rather than the actual page content.
Whenever the issue happens, I notice the ISR log shows the ISR record just once.
Besides Next.js 14.0, I’ve also tested this on Next.js 13.5 versions and the latest 13.4 versions, and the problem is still there.
A link to a reproduction repository
https://github.com/AresTG2612/test
Expected Result
Whenever refreshing the page with ISR and next/link component, it returns the page content stably.
Actual Result
Refreshing the page, sometimes it returns the code in self.__next_f.push functions in the script tag at the end of the body tag.
Steps to reproduce
- Install a fresh new copy of next.js with npx create-next-app@latest with app dir.
- Add a next/link component with href of homepage on app/page.tsx, e.g. <Link href={'/'}>Test</Link>.
- Add export const revalidate = 1; in app/layout.tsx to enable ISR.
- Deploy to Netlify.
- Try refresh the homepage every minute.
Next Runtime version
4.41.2
Is your issue related to the app directory?
- [X] Yes, I am using the
appdirectory
More information about your build
- [ ] I am building using the CLI
- [ ] I am building using file-based configuration (
netlify.toml)
What OS are you using?
None
Your netlify.toml file
N/A
Your public/_redirects file
N/A
Your next.config.js file
next.config.js
/** @type {import('next').NextConfig} */ const nextConfig = {}
module.exports = nextConfig
Builds logs (or link to your logs)
Build logs
11:30:15 AM: build-image version: 3ffff9df3d5419545acc1b673a54de348174406d (focal)
11:30:15 AM: buildbot version: 234adcfe967f1d318bfad465ff22f561d657197d
11:30:15 AM: Fetching cached dependencies
11:30:15 AM: Starting to download cache of 216.4MB
11:30:18 AM: Finished downloading cache in 2.61s
11:30:18 AM: Starting to extract cache
11:30:20 AM: Finished extracting cache in 1.886s
11:30:20 AM: Finished fetching cache in 4.556s
11:30:20 AM: Starting to prepare the repo for build
11:30:20 AM: Preparing Git Reference refs/heads/main
11:30:22 AM: Starting to install dependencies
11:30:22 AM: Python version set to 3.8
11:30:22 AM: Attempting Ruby version 2.7.2, read from environment
11:30:22 AM: Using Ruby version 2.7.2
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11:30:24 AM: go version go1.19.13 linux/amd64
11:30:25 AM: Using PHP version 8.0
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11:30:27 AM: v18.19.0 is already installed.
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11:30:27 AM: Enabling Node.js Corepack
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11:30:28 AM: Installing npm packages using pnpm version 8.7.6
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11:30:29 AM: Already up to date
11:30:29 AM: Done in 622ms
11:30:29 AM: npm packages installed using pnpm
11:30:30 AM: Successfully installed dependencies
11:30:30 AM: Starting build script
11:30:30 AM: Detected 1 framework(s)
11:30:30 AM: "next" at version "14.0.3"
11:30:30 AM: Section completed: initializing
11:30:32 AM:
11:30:32 AM: Netlify Build
11:30:32 AM: ────────────────────────────────────────────────────────────────
11:30:32 AM:
11:30:32 AM: ❯ Version
11:30:32 AM: @netlify/build 29.29.4
11:30:32 AM:
11:30:32 AM: ❯ Flags
11:30:32 AM: baseRelDir: true
11:30:32 AM: buildId: 656d1d960f64400008c2abfe
11:30:32 AM: deployId: 656d1d960f64400008c2ac00
11:30:32 AM:
11:30:32 AM: ❯ Current directory
11:30:32 AM: /opt/build/repo
11:30:32 AM:
11:30:32 AM: ❯ Config file
11:30:32 AM: No config file was defined: using default values.
11:30:32 AM:
11:30:32 AM: ❯ Context
11:30:32 AM: production
11:30:32 AM:
11:30:32 AM: ❯ Using Next.js Runtime - v4.41.2
11:30:33 AM:
11:30:33 AM: @netlify/plugin-nextjs (onPreBuild event)
11:30:33 AM: ────────────────────────────────────────────────────────────────
11:30:33 AM:
11:30:33 AM: Next.js cache restored.
11:30:33 AM: Netlify configuration property "build.environment.NEXT_PRIVATE_TARGET" value changed.
11:30:34 AM:
11:30:34 AM: (@netlify/plugin-nextjs onPreBuild completed in 90ms)
11:30:34 AM:
11:30:34 AM: Build command from Netlify app
11:30:34 AM: ────────────────────────────────────────────────────────────────
11:30:34 AM:
11:30:34 AM: $ pnpm run build
11:30:34 AM: > [email protected] build /opt/build/repo
11:30:34 AM: > next build
11:30:34 AM: ▲ Next.js 14.0.3
11:30:34 AM: Creating an optimized production build ...
11:30:37 AM: ✓ Compiled successfully
11:30:37 AM: Linting and checking validity of types ...
11:30:39 AM: Collecting page data ...
11:30:40 AM: Generating static pages (0/5) ...
11:30:40 AM: Generating static pages (1/5)
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11:30:40 AM: Generating static pages (3/5)
11:30:41 AM: ✓ Generating static pages (5/5)
11:30:41 AM: Finalizing page optimization ...
11:30:41 AM: Collecting build traces ...
11:30:46 AM: Route (app) Size First Load JS
11:30:46 AM: ┌ ○ / 11.3 kB 95.2 kB
11:30:46 AM: └ ○ /_not-found 872 B 84.8 kB
11:30:46 AM: + First Load JS shared by all 83.9 kB
11:30:46 AM: ├ chunks/569-6961324a6798b7a2.js 28.8 kB
11:30:46 AM: ├ chunks/c141e8ea-9e027de7199c3c94.js 53.3 kB
11:30:46 AM: ├ chunks/main-app-88cfcfb950789b9a.js 219 B
11:30:46 AM: └ chunks/webpack-031ca56bc5e2f967.js 1.65 kB
11:30:46 AM: ○ (Static) prerendered as static content
11:30:46 AM:
11:30:46 AM: (build.command completed in 12.5s)
11:30:46 AM:
11:30:46 AM: @netlify/plugin-nextjs (onBuild event)
11:30:46 AM: ────────────────────────────────────────────────────────────────
11:30:46 AM:
11:30:46 AM: Moving static page files to serve from CDN...
11:30:46 AM: Moved 4 files to CDN
11:30:46 AM: The following routes use "revalidate" values of under 60 seconds, which is not supported.
11:30:46 AM: They will use a revalidate time of 60 seconds instead.
11:30:46 AM: ┌─────────┬───────┬────────────┐
11:30:46 AM: │ (index) │ Route │ Revalidate │
11:30:46 AM: ├─────────┼───────┼────────────┤
11:30:46 AM: │ 0 │ "/" │ 1 │
11:30:46 AM: └─────────┴───────┴────────────┘
11:30:46 AM: You are not using Netlify Edge Functions for image format detection. Set env var "NEXT_FORCE_EDGE_IMAGES=true" to enable.
11:30:46 AM: Netlify configuration property "redirects" value changed to [
11:30:46 AM: { from: "/next/static/", to: "/static/:splat", status: 200 },
11:30:46 AM: {
11:30:46 AM: from: "/_next/image",
11:30:46 AM: query: { url: ":url", w: ":width", q: ":quality" },
11:30:46 AM: to: "/ipx/w:width,q:quality/:url",
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11:30:46 AM: status: 200
11:30:46 AM: },
11:30:46 AM: {
11:30:46 AM: from: "/next.svg",
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11:30:46 AM: conditions: { Cookie: [Array] },
11:30:46 AM: status: 200
11:30:46 AM: },
11:30:46 AM: {
11:30:46 AM: from: "/vercel.svg",
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11:30:46 AM:
11:30:46 AM: (@netlify/plugin-nextjs onBuild completed in 126ms)
11:30:46 AM:
11:30:46 AM: Functions bundling
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11:30:46 AM:
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11:30:46 AM: - ___netlify-odb-handler/___netlify-odb-handler.js
11:30:46 AM: - _ipx/_ipx.js
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11:31:20 AM:
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11:31:20 AM: Edge Functions bundling
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11:31:20 AM:
11:31:20 AM: Packaging Edge Functions from .netlify/edge-functions directory:
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11:31:20 AM:
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11:31:20 AM:
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11:31:20 AM:
11:31:20 AM: Starting to deploy site from ".next"
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11:31:21 AM: 6 new files to upload
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11:31:28 AM: (Deploy site completed in 7.5s)
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11:31:28 AM:
11:31:28 AM: (Netlify Build completed in 55.9s)
11:31:29 AM: Site is live ✨
11:31:29 AM: Caching artifacts
11:31:29 AM: Started saving node modules
11:31:29 AM: Finished saving node modules
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Function logs
ISR Function logs
Dec 4, 11:32:35 AM: fa5f950b INFO [GET] / (ODB TTL=60) Dec 4, 11:32:35 AM: fa5f950b Duration: 173.76 ms Memory Usage: 97 MB Dec 4, 11:33:40 AM: 81a63f74 INFO [GET] / (ODB TTL=60) Dec 4, 11:33:40 AM: 81a63f74 Duration: 99.08 ms Memory Usage: 97 MB Dec 4, 11:33:41 AM: a8e9b947 INFO [GET] / (ODB TTL=60) Dec 4, 11:33:41 AM: a8e9b947 Duration: 43.42 ms Memory Usage: 97 MB Dec 4, 11:34:44 AM: 6053f657 INFO [GET] / (ODB TTL=60) Dec 4, 11:34:44 AM: 6053f657 Duration: 103.31 ms Memory Usage: 97 MB
.next JSON files
No response
