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Language server exits with code 0 and restarts repeatedly (1.35.4, Windows 11)

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#14,841 4 commentaires 0 réactions 1 personne assignée Voir sur GitHub

Les mainteneurs répondent en général sous 1 jour

@sean-mcmanus y travaille déjà.

Depuis le 22/10/2026.

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Cette issue n'a pas encore été évaluée.

Description

bug Language Service more info needed reliability
Environment
  • OS: Windows 11 Enterprise, 10.0.28000.3231
  • VS Code: 1.141.2
  • C/C++ extension: 1.35.4 (pre-release)
  • Settings: "C_Cpp.maxConcurrentThreads": 2, "C_Cpp.workspaceParsingPriority": "low"
What happens

The notification "The language server crashed. Restarting..." appears again and again. It happened five times in about 34 hours in one VS Code session, from 2026-10-20 to 2026-10-22. Each time the output channel shows the same sequence:

[Error - 8:56:31 PM] Client cpptools: connection to server is erroring.
write EPIPE
[Error - 8:56:31 PM] Server process exited with code 0.
[Error - 8:56:31 PM] Client cpptools: connection to server is erroring.
Cannot call write after a stream was destroyed
[Error - 8:56:32 PM] The language server crashed. Restarting...

The other four were at 9:57 PM, 12:52 AM, 1:28 AM and 5:05 AM. Two of them begin directly with "Server process exited with code 0." and have no write EPIPE line.

The server exits with code 0 rather than a signal, so no crash call stack is shown.

Workspace
  • A large Rust workspace with git submodules: about 4,400 tracked files, of which 7 are C/C++ files (C headers for a C ABI).
  • C/C++ is not edited during these periods.
  • Long cargo builds and test runs with two jobs often run at the same time, so the machine is under load.
Next

I have set "C_Cpp.loggingLevel": "Debug" and will add the debug log from the next occurrence to this issue. Tell me if a different capture would help more, for example a specific logging setting or a dump configuration for an exit with code 0.

— Xmip (https://github.com/IlleNilsson)

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