Crash on dev-server start for the @cloudflare/vite-plugin #11761
Description
What versions & operating system are you using?
System:
OS: Linux 6.18 cpe:/o:nixos:nixos:26.05 26.05 (Yarara)
CPU: (12) x64 13th Gen Intel(R) Core(TM) i7-1355U
Memory: 20.18 GB / 31.02 GB
Container: Yes
Shell: 5.9 - /run/current-system/sw/bin/zsh
Binaries:
Node: 24.11.1 - /home/cramt/.nix-profile/bin/node
Yarn: 1.22.22 - /home/cramt/.nix-profile/bin/yarn
npm: 11.6.2 - /home/cramt/.nix-profile/bin/npm
pnpm: 10.25.0 - /home/cramt/.nix-profile/bin/pnpm
Please provide a link to a minimal reproduction
https://github.com/cramt/cloudflare_vite_plugin_bug_repro
Describe the Bug
when you have 2 vite cloudflare worker projects and one is the auxiliaryWorker of the other they completely crash when the dev server starts.
The README of the repro goes into way more detail
Please provide any relevant error logs
> @repro/[email protected] dev /home/cramt/code/vaultpay/repro/proxy
> vite dev
18:32:51 [vite] (repro_backend2) Re-optimizing dependencies because lockfile has changed
18:32:51 [vite] (repro_backend) Re-optimizing dependencies because lockfile has changed
error when starting dev server:
SyntaxError: Unexpected token 'E', "Error: Fai"... is not valid JSON
at JSON.parse (<anonymous>)
at parseJSONFromBytes (/home/cramt/code/vaultpay/node_modules/.pnpm/[email protected]/node_modules/undici/lib/web/fetch/body.js:510:15)
at successSteps (/home/cramt/code/vaultpay/node_modules/.pnpm/[email protected]/node_modules/undici/lib/web/fetch/body.js:471:23)
at readAllBytes (/home/cramt/code/vaultpay/node_modules/.pnpm/[email protected]/node_modules/undici/lib/web/fetch/body.js:511:9)
at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
again the repro goes into a lot more detail