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Start Server Function cannot work correct in Bun Production mode #5328
Description
Which project does this relate to?
Start
Describe the bug
Thanks for the awesome lib! In the POC stage for production mode --> Choose Bun + Tanstack Start [https://github.com/TanStack/router/tree/main/examples/react/start-bun], like the image below.
So how can I fix this one?
Your Example Website or App
http://localhost:3000/demo/start/server-funcs
Steps to Reproduce the Bug or Issue
Follow the guide
- Build the project: "bun run build"
- Start application: "bun start" [bun run server.ts]
- Go to [http://localhost:3000/demo/start/server-funcs] --> Add new Todo
- The request will fail with a 404 status, like the image below
Expected behavior
Can run the server function normally like "dev mode" -> "vite dev"
Screenshots or Videos
No response
Platform
- Router / Start Version: newest - 1.132.27
- OS: macOS
- Browser: Chrome + Commet
- Browser Version: 140.0.7339.210
- Bundler: Vite
- Bundler Version: newest
Activity
schiller-manuel commentedon Oct 1, 2025
cc @magnusmay
[-][Bug] Start Server Function cannot work correct in Bun Production mode[/-][+]Start Server Function cannot work correct in Bun Production mode[/+]nhattran998 commentedon Oct 13, 2025
Waiting two weeks 🧑🍳 Hope will have anyone help us this one 🙏
erikmay commentedon Oct 13, 2025
@harrytran998 can you please share a reproduction for your issue?
nhattran998 commentedon Oct 14, 2025
@magnusmay I used the example bun in this repo, lah, let's me recreate one and push onto GitHub.
Seems the last version is working well with the newest bun and tanstack. So I will close this issue. Thanks for your contributions