[Flaky CI]: Html Webpack Plugin: Error: EEXIST: file already exists, symlink <...>

[billyvg]

This affects all of our Playwright tests because webpack is failing to output bundles

Flakiness Type

Other / Unknown

Name of Job

Playwright (bundle_tracing_replay_feedback) Tests

Name of Test

integrations/Breadcrumbs/dom/click/test.ts:7:11

Link to Test Run

https://github.com/getsentry/sentry-javascript/actions/runs/8960269977/job/24606691207?pr=11899#logs

Details

Downloaded the playwright trace and this is what is being rendered when loading the page:

Html Webpack Plugin:
<pre>
  Error: EEXIST: file already exists, symlink '/home/runner/work/sentry-javascri  pt/sentry-javascript/packages/browser/build/bundles/bundle.tracing.replay.feed  back.js' -> '/home/runner/work/sentry-javascript/sentry-javascript/dev-package  s/browser-integration-tests/tmp/static/cdn.bundle.js'
  
  - node:fs:1816 Object.symlinkSync
    node:fs:1816:3
  
  - staticAssets.ts:30 addStaticAssetSymlink
    /home/runner/work/sentry-javascript/sentry-javascript/dev-packages/browser-i    ntegration-tests/utils/staticAssets.ts:30:8
  
  - generatePlugin.ts:203 
    /home/runner/work/sentry-javascript/sentry-javascript/dev-packages/browser-i    ntegration-tests/utils/generatePlugin.ts:203:32
  
  
  - new Promise
  
  
  - Hook.js:22 Hook.PROMISE_DELEGATE [as _promise]
    [sentry-javascript]/[tapable]/lib/Hook.js:22:14
  
  - index.js:281 
    [browser-integration-tests]/[html-webpack-plugin]/index.js:281:89
  
  - task_queues:95 processTicksAndRejections
    node:internal/process/task_queues:95:5
  
</pre>

[billyvg]

These tests (aside from the LCP one) are failing due to this issue as well

Here is the output that is recorded in the Playwright traces:

Html Webpack Plugin:
  Error: EEXIST: file already exists, symlink '/home/runner/work/sentry-javascri  pt/sentry-javascript/packages/browser/build/bundles/bundle.debug.min.js' -> '/  home/runner/work/sentry-javascript/sentry-javascript/dev-packages/browser-inte  gration-tests/tmp/static/cdn.bundle.js'
  
  - node:fs:1814 Object.symlinkSync
    node:fs:1814:3
  
  - staticAssets.ts:30 addStaticAssetSymlink
    /home/runner/work/sentry-javascript/sentry-javascript/dev-packages/browser-i    ntegration-tests/utils/staticAssets.ts:30:8
  
  - generatePlugin.ts:217 
    /home/runner/work/sentry-javascript/sentry-javascript/dev-packages/browser-i    ntegration-tests/utils/generatePlugin.ts:217:32
  
  
  - new Promise
  
  
  - Hook.js:22 Hook.PROMISE_DELEGATE [as _promise]
    [sentry-javascript]/[tapable]/lib/Hook.js:22:14
  
  - index.js:281 
    [browser-integration-tests]/[html-webpack-plugin]/index.js:281:89
  
  - task_queues:95 processTicksAndRejections
    node:internal/process/task_queues:95:5

Feedback related:

Html Webpack Plugin:
  Error: EEXIST: file already exists, symlink '/home/runner/work/sentry-javascri  pt/sentry-javascript/packages/browser/build/bundles/bundle.tracing.replay.feed  back.min.js' -> '/home/runner/work/sentry-javascript/sentry-javascript/dev-pac  kages/browser-integration-tests/tmp/static/cdn.bundle.js'
  
  - node:fs:1814 Object.symlinkSync
    node:fs:1814:3
  
  - staticAssets.ts:30 addStaticAssetSymlink
    /home/runner/work/sentry-javascript/sentry-javascript/dev-packages/browser-i    ntegration-tests/utils/staticAssets.ts:30:8
  
  - generatePlugin.ts:217 
    /home/runner/work/sentry-javascript/sentry-javascript/dev-packages/browser-i    ntegration-tests/utils/generatePlugin.ts:217:32
  
  
  - new Promise
  
  
  - Hook.js:22 Hook.PROMISE_DELEGATE [as _promise]
    [sentry-javascript]/[tapable]/lib/Hook.js:22:14
  
  - index.js:281 
    [browser-integration-tests]/[html-webpack-plugin]/index.js:281:89
  
  - task_queues:95 processTicksAndRejections
    node:internal/process/task_queues:95:5