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Fix getStaticPaths modules being cached in dev mode #10852

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merged 2 commits into from Mar 5, 2020

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@ijjk ijjk commented Mar 5, 2020

Some modules were being cached when calling getStaticPaths in dev mode which would cause errors that were fixed to still be triggered since the updated module wasn't loaded. This would sometimes not be the case since we use multiple workers and on a refresh you might get a worker where it wasn't cached.

This is fixed by making sure to clear any additional require modules inside of the worker before attempting to load the page again. I also added a regression test for this behavior

Fixes: #10845

@ijjk ijjk added the kind: bug Confirmed bug that is on the backlog label Mar 5, 2020
@ijjk ijjk added this to the 9.3.0 milestone Mar 5, 2020
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ijjk commented Mar 5, 2020

Stats from current PR

Default Server Mode (Decrease detected ✓)
General Overall decrease ✓
zeit/next.js canary ijjk/next.js add/NEXT-109 Change
buildDuration 9.9s 10.2s ⚠️ +301ms
nodeModulesSize 56.5 MB 56.5 MB -154 B
Client Bundles (main, webpack, commons)
zeit/next.js canary ijjk/next.js add/NEXT-109 Change
main-HASH.js gzip 5.77 kB 5.77 kB
webpack-HASH.js gzip 746 B 746 B
de003c3a9d30..23c3.js gzip 9.72 kB 9.72 kB
framework.HASH.js gzip 39.1 kB 39.1 kB
Overall change 55.4 kB 55.4 kB
Client Bundles (main, webpack, commons) Modern
zeit/next.js canary ijjk/next.js add/NEXT-109 Change
main-HASH.module.js gzip 4.79 kB 4.79 kB
webpack-HASH..dule.js gzip 746 B 746 B
de003c3a9d30..dule.js gzip 6.66 kB 6.66 kB
framework.HA..dule.js gzip 39.1 kB 39.1 kB
Overall change 51.3 kB 51.3 kB
Legacy Client Bundles (polyfills)
zeit/next.js canary ijjk/next.js add/NEXT-109 Change
polyfills-HASH.js gzip 18.9 kB 18.9 kB
Overall change 18.9 kB 18.9 kB
Client Pages
zeit/next.js canary ijjk/next.js add/NEXT-109 Change
_app.js gzip 1.08 kB 1.08 kB
_error.js gzip 2.96 kB 2.96 kB
hooks.js gzip 664 B 664 B
index.js gzip 222 B 222 B
link.js gzip 1.89 kB 1.89 kB
routerDirect.js gzip 279 B 279 B
withRouter.js gzip 278 B 278 B
Overall change 7.37 kB 7.37 kB
Client Pages Modern
zeit/next.js canary ijjk/next.js add/NEXT-109 Change
_app.module.js gzip 589 B 589 B
_error.module.js gzip 2.06 kB 2.06 kB
hooks.module.js gzip 370 B 370 B
index.module.js gzip 212 B 212 B
link.module.js gzip 1.48 kB 1.48 kB
routerDirect..dule.js gzip 271 B 271 B
withRouter.m..dule.js gzip 270 B 270 B
Overall change 5.26 kB 5.26 kB
Client Build Manifests
zeit/next.js canary ijjk/next.js add/NEXT-109 Change
_buildManifest.js gzip 61 B 61 B
_buildManife..dule.js gzip 61 B 61 B
Overall change 122 B 122 B
Rendered Page Sizes
zeit/next.js canary ijjk/next.js add/NEXT-109 Change
index.html gzip 917 B 917 B
link.html gzip 926 B 926 B
withRouter.html gzip 915 B 915 B
Overall change 2.76 kB 2.76 kB

Serverless Mode (Increase detected ⚠️)
General Overall decrease ✓
zeit/next.js canary ijjk/next.js add/NEXT-109 Change
buildDuration 11.3s 11.1s -114ms
nodeModulesSize 56.5 MB 56.5 MB -154 B
Client Bundles (main, webpack, commons)
zeit/next.js canary ijjk/next.js add/NEXT-109 Change
main-HASH.js gzip 5.77 kB 5.77 kB
webpack-HASH.js gzip 746 B 746 B
de003c3a9d30..23c3.js gzip 9.72 kB 9.72 kB
framework.HASH.js gzip 39.1 kB 39.1 kB
Overall change 55.4 kB 55.4 kB
Client Bundles (main, webpack, commons) Modern
zeit/next.js canary ijjk/next.js add/NEXT-109 Change
main-HASH.module.js gzip 4.79 kB 4.79 kB
webpack-HASH..dule.js gzip 746 B 746 B
de003c3a9d30..dule.js gzip 6.66 kB 6.66 kB
framework.HA..dule.js gzip 39.1 kB 39.1 kB
Overall change 51.3 kB 51.3 kB
Legacy Client Bundles (polyfills)
zeit/next.js canary ijjk/next.js add/NEXT-109 Change
polyfills-HASH.js gzip 18.9 kB 18.9 kB
Overall change 18.9 kB 18.9 kB
Client Pages
zeit/next.js canary ijjk/next.js add/NEXT-109 Change
_app.js gzip 1.08 kB 1.08 kB
_error.js gzip 2.96 kB 2.96 kB
hooks.js gzip 664 B 664 B
index.js gzip 222 B 222 B
link.js gzip 1.89 kB 1.89 kB
routerDirect.js gzip 279 B 279 B
withRouter.js gzip 278 B 278 B
Overall change 7.37 kB 7.37 kB
Client Pages Modern
zeit/next.js canary ijjk/next.js add/NEXT-109 Change
_app.module.js gzip 589 B 589 B
_error.module.js gzip 2.06 kB 2.06 kB
hooks.module.js gzip 370 B 370 B
index.module.js gzip 212 B 212 B
link.module.js gzip 1.48 kB 1.48 kB
routerDirect..dule.js gzip 271 B 271 B
withRouter.m..dule.js gzip 270 B 270 B
Overall change 5.26 kB 5.26 kB
Client Build Manifests
zeit/next.js canary ijjk/next.js add/NEXT-109 Change
_buildManifest.js gzip 61 B 61 B
_buildManife..dule.js gzip 61 B 61 B
Overall change 122 B 122 B
Serverless bundles Overall increase ⚠️
zeit/next.js canary ijjk/next.js add/NEXT-109 Change
_error.js gzip 292 kB 293 kB ⚠️ +825 B
404.html gzip 1.32 kB 1.32 kB
hooks.html gzip 958 B 958 B
index.js gzip 293 kB 292 kB -846 B
link.js gzip 300 kB 300 kB -703 B
routerDirect.js gzip 299 kB 298 kB -89 B
withRouter.js gzip 298 kB 299 kB ⚠️ +1.06 kB
Overall change 1.48 MB 1.48 MB ⚠️ +246 B

@Timer Timer merged commit 5dfc7da into vercel:canary Mar 5, 2020
@Timer Timer deleted the add/NEXT-109 branch March 5, 2020 18:48
chibicode pushed a commit to chibicode/next.js that referenced this pull request Mar 6, 2020
@vercel vercel locked as resolved and limited conversation to collaborators Jan 31, 2022
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Errors in getStaticPaths get cached in dev
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