foreign-sapphire

Local dev fails after some time

Repo: https://github.com/sebastiangraz/hatchet Running npm run dev works initially with no errors, after I make a few changes and hot-reloads I get the following error and my localhost:3000 disconnects fully, I have to reconnect every 2-3 hmr changes, not ideal.

1:57:49 PM [vite] (client) hmr update /src/routes/(home)/index.tsx, /src/routes/(home)/index.tsx?tsr-split=component
1:57:49 PM [vite] (ssr) page reload src/routes/(home)/index.tsx
[vite] program reload
node:internal/deps/undici/undici:13510
      Error.captureStackTrace(err);
            ^

TypeError: fetch failed
    at node:internal/deps/undici/undici:13510:13
    at async file:///C:/Users/Sebastian/development/hatchet/node_modules/nitro/dist/_chunks/plugin.mjs:379:20 {
  [cause]: HeadersTimeoutError: Headers Timeout Error
      at FastTimer.onParserTimeout [as _onTimeout] (C:\Users\Sebastian\development\hatchet\node_modules\undici\lib\dispatcher\client-h1.js:757:28)
      at Timeout.onTick [as _onTimeout] (C:\Users\Sebastian\development\hatchet\node_modules\undici\lib\util\timers.js:162:13)
      at listOnTimeout (node:internal/timers:588:17)
      at process.processTimers (node:internal/timers:523:7) {
    code: 'UND_ERR_HEADERS_TIMEOUT'
  }
}

Node.js v22.19.0

1:57:49 PM [vite] (client) hmr update /src/routes/(home)/index.tsx, /src/routes/(home)/index.tsx?tsr-split=component
1:57:49 PM [vite] (ssr) page reload src/routes/(home)/index.tsx
[vite] program reload
node:internal/deps/undici/undici:13510
      Error.captureStackTrace(err);
            ^

TypeError: fetch failed
    at node:internal/deps/undici/undici:13510:13
    at async file:///C:/Users/Sebastian/development/hatchet/node_modules/nitro/dist/_chunks/plugin.mjs:379:20 {
  [cause]: HeadersTimeoutError: Headers Timeout Error
      at FastTimer.onParserTimeout [as _onTimeout] (C:\Users\Sebastian\development\hatchet\node_modules\undici\lib\dispatcher\client-h1.js:757:28)
      at Timeout.onTick [as _onTimeout] (C:\Users\Sebastian\development\hatchet\node_modules\undici\lib\util\timers.js:162:13)
      at listOnTimeout (node:internal/timers:588:17)
      at process.processTimers (node:internal/timers:523:7) {
    code: 'UND_ERR_HEADERS_TIMEOUT'
  }
}

Node.js v22.19.0

    "@tanstack/react-router": "^1.132.6",
    "@tanstack/react-router-devtools": "^1.132.6",
    "@tanstack/react-start": "^1.132.6",
    "nitro": "npm:nitro-nightly@^3.0.0-20250925-102916-440c34dc",
    "vite": "^7.1.7",

    "@tanstack/react-router": "^1.132.6",
    "@tanstack/react-router-devtools": "^1.132.6",
    "@tanstack/react-start": "^1.132.6",
    "nitro": "npm:nitro-nightly@^3.0.0-20250925-102916-440c34dc",
    "vite": "^7.1.7",

Same with npm:nitro-nightly@latest Anyone else get this?

4 Replies

foreign-sapphire•3mo ago

Yes i have the same issue

correct-apricot•3mo ago

yep, also seeing this error

flat-fuchsia•3mo ago

most likely a nitro issue can you please comment out nitro in vite config and see if this still occurs? if this only occurs with nitro, can you please create an issue at https://github.com/nitrojs/nitro/issues/ ?

foreign-sapphireOP•2mo ago

Can confirm commenting out nitro() fixed it. Someone else opened a similar issue

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Local dev fails after some time

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