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The server doesn't start if flutter (maybe dart too?) root is an invalid path #5909
Description
Describe the bug
Once a project has run pub get on a different operating system, for example (shared partition), the server never starts.
To Reproduce
Steps to reproduce the behavior:
Mostly a guess, but I think if you have WSL (so no dualboot needed) and Dart installed there. If you run pub get on a project from there and then try opening that workspace folder from Windows, you'll see this behaviour.
Expected behavior
For the Run pub get toast to show up.
Please complete the following information:
Workspace Environment
Dart Code extension: 3.129.20260202
Flutter extension: 3.129.20260202 (activated)
App: Visual Studio Code
App Host: desktop
Version: win 1.109.4
Workspace type: Dart (LSP)
Workspace name: essential_lints
Dart (3.12.0-edge.442bafa30af80793a5c638f1b56d5d9ccb3cc16b): C:\Users\felip_0vh5fa6\dart
Flutter (3.38.7): C:\Users\felip_0vh5fa6\.puro\envs\stable\flutter (No device)
Output from 'dart info'
C:\Users\felip_0vh5fa6\dart\bin\dart.exe info
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General info
- Dart 3.12.0-edge.442bafa30af80793a5c638f1b56d5d9ccb3cc16b (main) (Tue Feb 10 06:53:30 2026 -0800) on "windows_x64"
- on windows / "Windows 11 Pro" 10.0 (Build 26200)
- locale is pt-BR
Project info
- sdk constraint: '^3.10.0'
- dependencies: analysis_server_plugin, analyzer, essential_lints_annotations, logging, meta
- dev_dependencies: analyzer_testing, frontend_server_client, test, test_reflective_loader, very_good_analysis
Process info
| Memory | CPU | Elapsed time | Command line |
|---|---|---|---|
| 0 MB | -- | dart.exe | |
| 0 MB | -- | dart.exe | |
| 0 MB | -- | dart.exe | |
| 0 MB | -- | dart.exe | |
| 0 MB | -- | dart.exe | |
| 0 MB | -- | dart.exe | |
| 0 MB | -- | dart.exe | |
| 0 MB | -- | dartvm.exe | |
| 0 MB | -- | dartvm.exe |
Activity
Don't fail with invalid paths in the package map