magento2-39954: Static content deploy runs the same theme package in multiple processes
Community fix magento2-39954 merged into magento/magento2 on 2025-06-26, released in 2.4.9; applies cleanly to 33 releases from 2.4.6 to 2.4.8-p5.
Static content deploy runs the same theme package in multiple processes edited
- Pull request title
- Fix concurrency issue in static content deploy
- Pull request
- magento/magento2#39954
- Issues
- #39990 pr-derived
- Author
- @convenient
- Merged
- 2025-06-26
- Fixed in
- 2.4.9
- Reported on
- —
- Categories
- —
- Components
- magento/module-deploy
Labels
- Area
- Framework
- Component
- Deploy
- Priority
- P2
- Severity
- —
- Reported on (labels)
- 2.4.x
Issue
Title and steps come from the upstream issue and pull request.
The upstream issue and pull request have no structured description.
Error signatures
- Magento\Framework\Exception\FileSystemException: The file or directory "" cannot be copied to ""
Code match per tag
Each tag was checked with git apply --check against that tag's files. A clean match means the change applies; it is not a test result. Tags that already contain the fix are marked.
| Line | Code match per tag | Tests |
|---|---|---|
| 2.4.6 | 2.4.6 clean 2.4.6-p1 clean 2.4.6-p2 clean 2.4.6-p3 clean 2.4.6-p4 clean 2.4.6-p5 clean 2.4.6-p6 clean 2.4.6-p7 clean 2.4.6-p8 clean 2.4.6-p9 clean 2.4.6-p10 clean 2.4.6-p11 clean 2.4.6-p12 clean 2.4.6-p13 clean 2.4.6-p14 clean 2.4.6-p15 clean | 2.4.6: no test data 2.4.6-p1: no test data 2.4.6-p2: no test data 2.4.6-p3: no test data 2.4.6-p4: no test data 2.4.6-p5: no test data 2.4.6-p6: no test data 2.4.6-p7: no test data 2.4.6-p8: no test data 2.4.6-p9: no test data 2.4.6-p10: no test data 2.4.6-p11: no test data 2.4.6-p12: no test data 2.4.6-p13: no test data 2.4.6-p14: no test data 2.4.6-p15: no test data |
| 2.4.7 | 2.4.7 clean 2.4.7-p1 clean 2.4.7-p2 clean 2.4.7-p3 clean 2.4.7-p4 clean 2.4.7-p5 clean 2.4.7-p6 clean 2.4.7-p7 clean 2.4.7-p8 clean 2.4.7-p9 clean 2.4.7-p10 clean | 2.4.7: no test data 2.4.7-p1: no test data 2.4.7-p2: no test data 2.4.7-p3: no test data 2.4.7-p4: no test data 2.4.7-p5: no test data 2.4.7-p6: no test data 2.4.7-p7: no test data 2.4.7-p8: no test data 2.4.7-p9: no test data 2.4.7-p10: no test data |
| 2.4.8 | 2.4.8 clean 2.4.8-p1 clean 2.4.8-p2 clean 2.4.8-p3 clean 2.4.8-p4 clean 2.4.8-p5 clean | 2.4.8: no test data 2.4.8-p1: no test data 2.4.8-p2: no test data 2.4.8-p3: no test data 2.4.8-p4: no test data 2.4.8-p5: no test data |
| 2.4.9 | 2.4.9 conflictcontains the fix | 2.4.9: no test data |
Triage
Model @cf/cloudflare/clef. Probability this is a bug fix: 97.9%. Probability it is security relevant: 0.6%.
Show the model's answers and probabilities
| Question | Answer | Probabilities | Confidence |
|---|---|---|---|
| Change kind | bugfix | bugfix 96.9%, refactor 1.2%, feature 0.7%, tests_only 0.5%, dependency 0.4%, docs_only 0.3% | 92.7% |
| Area | frontend | frontend 53.5%, framework 36.1%, other 6.3% | 33.9% |
| Reported version | unspecified | unspecified 20.3%, 2.4.6 3.2%, 2.4.7 2.7% | 4.0% |
| Scope | 0.43 of 2 | 0 62.7%, 1 31.4%, 2 6.0% | 24.2% |
| Risk | 0.38 of 2 | 0 65.4%, 1 31.3%, 2 3.3% | 29.0% |
| Worth backporting | 1.67 of 2 | 2 74.0%, 1 19.4%, 0 6.6% | 38.4% |
Download
For cweagans/composer-patches, choose a version below and download the bundle. Copy its magento2-39954/ folder into patches/composer/, merge composer.patches.json into composer.json, then run composer install. Test files are always removed; paths are relative to each package root, using the default -p1 level.
Bundle README (what the ZIP ships)
# magento2-39954 Community fix merged upstream into magento/magento2, adapted by magento.watch. This is not a patch published by Adobe. Pull request: https://github.com/magento/magento2/pull/39954 Issue: https://github.com/magento/magento2/issues/39990 Author: @convenient Source commit: 315547ddbfc8faee7bbf0f4c1e01b1b5bd31f1de Modifications: test files and documentation removed, paths rewritten relative to each Composer package. Licence: OSL-3.0 / AFL-3.0, as the original Magento Open Source code. Maintainer: Łukasz Bajsarowicz (@lbajsarowicz)
Licence: Magento Open Source code under OSL-3.0 and AFL-3.0. The bundle carries the original author, source commit and the list of modifications.
