[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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