[BUG] ENOTCONN: Transport endpoint is not connected (open())
Resolved 💬 3 comments Opened Oct 19, 2025 by KanekiSenapi Closed Oct 23, 2025
Preflight Checklist
- [x] I have searched existing issues and this hasn't been reported yet
- [x] This is a single bug report (please file separate reports for different bugs)
- [x] I am using the latest version of Claude Code
What's Wrong?
Please update Bun in Claude to version 1.3.0.
I see claude is still builded with Bun v1.2.23 (cf136713) Windows x64 (baseline) which have bug:
panic(main thread): Unexpected error
ENOTCONN: Transport endpoint is not connected (open())
Coud you please upgrade bun?
What Should Happen?
claude work with newest version
Error Messages/Logs
panic(main thread): Unexpected error
ENOTCONN: Transport endpoint is not connected (open())
Steps to Reproduce
.
Claude Model
None
Is this a regression?
Yes, this worked in a previous version
Last Working Version
2.0.8
Claude Code Version
2.0.22
Platform
Anthropic API
Operating System
Windows
Terminal/Shell
PowerShell
Additional Information
_No response_
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