microsoft / microsoft/vscode-python-debugger

Attach process picker still hangs without WMIC because windows-process-tree loader misses node_modules.asar

Aberta
#1,095 1 comentário 1 reação 0 responsáveis Ver no GitHub

Ninguém assumiu esta issue ainda.

triage-needed
Linguagem predominante
TypeScript
Estrelas
181
Forks
126
Merge médio
2d 3h
PRs com merge (30d)
3

Descrição

Environment

  • Python Debugger: 2026.7.12401012 (pre-release)
  • VS Code: 1.135.0 (08d4889f9ec4a1685d257b9b95de036c8e1ce1e5, x64)
  • OS: Windows 11 Pro x64, 10.0.26200
  • WMIC: not installed

Reproduction

Use the generated attach configuration:

{
    "name": "Python Debugger: Attach using Process Id",
    "type": "debugpy",
    "request": "attach",
    "processId": "${command:pickProcess}"
}

Start debugging and wait for the process picker.

Expected behavior

A Quick Pick containing the running processes is displayed.

Actual behavior

The progress indicator keeps running, but the process picker never appears. The extension host log contains:

Error: spawn wmic ENOENT
    at ChildProcess._handle.onexit (node:internal/child_process:287:19)
    at onErrorNT (node:internal/child_process:508:16)
    at process.processTicksAndRejections (node:internal/process/task_queues:90:21)

Using a literal PID works.

Cause found locally

The current implementation added in #1030 loads the native module from this path:

const wpcPath = path.join(env.appRoot, 'node_modules', '@vscode', 'windows-process-tree');
const nodeRequire = eval('require') as NodeJS.Require;
return nodeRequire(wpcPath);

In the packaged VS Code 1.135.0 installation, @vscode/windows-process-tree is not present under the physical node_modules directory. It is packaged at:

<env.appRoot>/node_modules.asar/@vscode/windows-process-tree

with its native files under node_modules.asar.unpacked.

Loading both paths with VS Code's Electron/Node runtime produces:

<env.appRoot>/node_modules/@vscode/windows-process-tree
  -> MODULE_NOT_FOUND

<env.appRoot>/node_modules.asar/@vscode/windows-process-tree
  -> loads successfully
  -> exports ProcessDataFlag, getAllProcesses, getProcessList, etc.

The native loader exception is swallowed by the broad catch, so the provider silently falls back to WMIC. WMIC is no longer installed by default on current Windows builds, and that second failure leaves the picker waiting indefinitely.

Suggested direction

  • Resolve the packaged ASAR location as well as development/older layouts.
  • Avoid falling back exclusively to deprecated WMIC; PowerShell/CIM could provide a non-native fallback.
  • Log the original windows-process-tree loading exception so this failure mode is visible.

Related: #744, #867, #899, #991, #1030.

Guia de contribuição

Abrir o guia de contribuição

Primeiros passos

  1. Leia a issue inteira e depois o guia de contribuição do projeto.
  2. Comente na issue dizendo que vai assumir — evita que duas pessoas façam o mesmo trabalho.
  3. Faça um fork do repositório e trabalhe em uma branch.
  4. Abra um pull request que referencie o número da issue.

Direção de pesquisa

Comece pelo loader de process-picker que constrói o caminho @vscode/windows-process-tree e rastreie como o catch abrangente seleciona WMIC. Reproduza o layout empacotado com node_modules.asar e node_modules.asar.unpacked e, em seguida, verifique se a enumeração de processos funciona sem WMIC e se as falhas de carregamento continuam visíveis no extension host log.

Escrita pelo modelo de indexação a partir do texto da issue.

Avaliação

Stack de tecnologia
node.js, typescript
Domínio
devtools
Tipo de issue
Bug
Dificuldade
4/5
Tempo estimado
3-5 dias
Status de atividade
Ativa
Clareza
Razoavelmente clara
Facilidade para iniciantes
58/100

Receba novas issues na sua caixa de entrada

Um resumo curto de issues do GitHub para quem está começando.