Language server exits with code 0 and restarts repeatedly (1.35.4, Windows 11)
维护者通常 1 天内回复
@sean-mcmanus 已经在做这个了。
开始于 2026年10月22日。
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描述
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
cargobuilds 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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