ci-fix: CI failing — Windows PowerShell browser-launch test intermittently hangs past 15s
维护者通常 1 天内回复
还没有人认领这个 Issue。
评估
- 难度
- 4/5
- 预计耗时
- 3-5 天
- 新手友好度
- 42/100
- Issue 类型
- 缺陷
- 描述清晰度
- 基本清楚
- 活跃度
- 活跃
- 技术栈
- powershell, typescript
- 领域
- ci-cd, testing-qa
调研方向
Start with lib/src/host/browser-launch-env.test.ts, especially the “runs native PowerShell startup code and exits” test, then read browser-launch-env.ts and dor-lib-common/src/spawn.ts. Reproduce the failure on Windows and capture the timed-out child’s stderr to identify where PowerShell stalls. Done means determining whether this is a real hang and fixing it, or documenting the runner-artifact decision and applying a targeted retry.
由索引模型根据 Issue 内容生成。
描述
The Standalone Platform Check (windows-latest) job failed on main in run 36534578215. The failing test is runs native PowerShell startup code and exits. Its powershell.exe child ran into browserLaunchEnv's own 15s timeoutMs (Browser launch shell failed (…powershell.exe) … [ETIMEDOUT]).
#834 raised this block's vitest timeout to 20s, reading the earlier 5s failure as a slow cold start. This run shows that reading doesn't hold. The test's timings are bimodal. When it passes, it takes 0.75–2s (main runs 36498700094, 36500139090, 36522172034, 36527315672). When it fails, it is still running at 5s (36500112814 on main, 36515800227 on open-folder) or at 15s (this run). The shell intermittently hangs; it is not merely slow, so another timeout bump would not fix the flake. The trailing EBUSY … rmdir 'dor launch spaces & …' is a side effect: afterEach tries to delete the temp dir while the killed PowerShell still holds it as its cwd.
I haven't found the cause and didn't open a fix. The test runs only on Windows, and the evidence doesn't rule out a real intermittent hang that users with Windows PowerShell as their browser launch shell would also hit. The production budget is the same 15s. Stdin is already 'ignore' in spawnAndCapture, which rules out the usual "powershell waits on an open stdin pipe" hang. A maintainer needs to decide the next step:
- Investigate on Windows. A run that captures the timed-out child's stderr would show where it stalls; today
browserLaunchEnvdeliberately drops it. - Or treat the hang as a runner artifact and add a vitest
retryto this one test, knowing that would also hide a real hang.
- 主要语言
- TypeScript
- 星标
- 5
- 派生
- 1
- 平均合并
- 14 小时 43 分钟
- 30 天内合并 PR
- 289
环境准备
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- Fork 仓库，在一个分支上完成修改。
- 提交 Pull Request，并在描述里引用这个 Issue 编号。
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