\nFull log out put from browser console below\n\n### Logs\n\n```shell-script\nThe console log from the browser from starting the dev server\n\nclient:745 WebSocket connection to 'ws://localhost:3000/_nuxt/?token=hbttnGO2POq9' failed: \ncreateConnection @ client:745\nconnect @ client:412\nconnect @ client:751\nconnect @ client:290\nconnect @ client:374\n(anonymous) @ client:823\nclient:755 WebSocket connection to 'ws://localhost:5173/_nuxt/?token=hbttnGO2POq9' failed: \ncreateConnection @ client:755\nconnect @ client:412\nconnect @ client:759\nclient:765 [vite] failed to connect to websocket.\nyour current setup:\n (browser) localhost:3000/_nuxt/ \u003C--[HTTP]--> localhost:5173/_nuxt/ (server)\n (browser) localhost:3000/_nuxt/ \u003C--[WebSocket (failing)]--> localhost:5173/_nuxt/ (server)\nCheck out your Vite / network configuration and https://vite.dev/config/server-options.html#server-hmr .\nconnect @ client:765\nawait in connect\nconnect @ client:290\nconnect @ client:374\n(anonymous) @ client:823\nentry.js:1 \n \n \n GET http://localhost:3000/_nuxt/@fs/home/mozeik/muxt/node_modules/vue/dist/vue.runtime.esm-bundler.js?v=1c201e43 net::ERR_ABORTED 504 (Outdated Request)\nlocalhost/:1 Uncaught (in promise) TypeError: Failed to fetch dynamically imported module: http://localhost:3000/_nuxt/@fs/home/mozeik/muxt/node_modules/nuxt/dist/app/entry.js?v=1c201e43\nentry.js:2 \n \n \n GET http://localhost:3000/_nuxt/@id/virtual:nuxt:%2Fhome%2Fmozeik%2Fmuxt%2F.nuxt%2Ffetch.mjs net::ERR_ABORTED 504 (Outdated Request)\nentry.js:3 \n \n \n GET http://localhost:3000/_nuxt/@id/virtual:nuxt:%2Fhome%2Fmozeik%2Fmuxt%2F.nuxt%2Fglobal-polyfills.mjs net::ERR_ABORTED 504 (Outdated Request)\nentry.js:4 \n \n \n GET http://localhost:3000/_nuxt/@fs/home/mozeik/muxt/node_modules/nuxt/dist/app/nuxt.js?v=1c201e43 net::ERR_ABORTED 504 (Outdated Request)\nentry.js:5 \n \n \n GET http://localhost:3000/_nuxt/@fs/home/mozeik/muxt/node_modules/nuxt/dist/app/composables/error.js?v=1c201e43 net::ERR_ABORTED 504 (Outdated Request)\nentry.js:6 \n \n \n GET http://localhost:3000/_nuxt/@id/virtual:nuxt:%2Fhome%2Fmozeik%2Fmuxt%2F.nuxt%2Fcss.mjs net::ERR_ABORTED 504 (Outdated Request)\nentry.js:7 \n \n \n GET http://localhost:3000/_nuxt/@id/virtual:nuxt:%2Fhome%2Fmozeik%2Fmuxt%2F.nuxt%2Fplugins.client.mjs net::ERR_ABORTED 503 (Service Unavailable)\nentry.js:8 \n \n \n GET http://localhost:3000/_nuxt/@id/virtual:nuxt:%2Fhome%2Fmozeik%2Fmuxt%2F.nuxt%2Froot-component.mjs net::ERR_ABORTED 503 (Service Unavailable)\nentry.js:9 \n \n \n GET http://localhost:3000/_nuxt/@id/virtual:nuxt:%2Fhome%2Fmozeik%2Fmuxt%2F.nuxt%2Fnuxt.config.mjs net::ERR_ABORTED 503 (Service Unavailable)\nfavicon.ico:1 \n \n \n GET http://localhost:3000/favicon.ico 503 (Service Unavailable)\nlocalhost/:1 The resource http://localhost:3000/_nuxt/builds/meta/dev.json was preloaded using link preload but not used within a few seconds from the window's load event. Please make sure it has an appropriate `as` value and it is preloaded intentionally.\nlocalhost/:1 The resource http://localhost:3000/_nuxt/builds/meta/dev.json was preloaded using link preload but not used within a few seconds from the window's load event. Please make sure it has an appropriate `as` value and it is preloaded intentionally.\nlocalhost/:1 The resource http://localhost:3000/_nuxt/builds/meta/dev.json was preloaded using link preload but not used within a few seconds from the window's load event. Please make sure it has an appropriate `as` value and it is preloaded intentionally.\n```",[3216],{"name":3182,"color":3183},32817,"Nuxt dev server issues","2025-07-31T06:58:57Z","https://github.com/nuxt/nuxt/issues/32817",0.64319646,{"labels":3223,"number":3226,"owner":3172,"repository":3172,"state":3208,"title":3227,"updated_at":3228,"url":3229,"score":3230},[3224,3225],{"name":3200,"color":3201},{"name":3182,"color":3183},26642,"Request Error [SharedArrayBuffer, ArrayBuffer or ArrayBufferView.]","2024-04-04T11:59:57Z","https://github.com/nuxt/nuxt/issues/26642",0.6482272,{"description":3232,"labels":3233,"number":3236,"owner":3172,"repository":3172,"state":3208,"title":3237,"updated_at":3238,"url":3239,"score":3240},"### Environment\n\nNuxt project info: 2:58:04 PM\r\n\r\n------------------------------\r\n- Operating System: Windows_NT\r\n- Node Version: v20.10.0\r\n- Nuxt Version: 3.12.2\r\n- CLI Version: 3.12.0\r\n- Nitro Version: 2.9.6\r\n- Package Manager: npm@10.2.4\r\n- Builder: -\r\n- User Config: css, components, modules, headlessui, ogImage, postcss, spaLoadingTemplate, typescript, site, devtools, nitro\r\n- Runtime Modules: @vueuse/nuxt@10.11.0, nuxt-og-image@3.0.0-rc.53, @nuxt/content@2.12.1, @nuxtjs/sitemap@5.2.0, nuxt-headlessui@1.2.0, @nuxtjs/google-fonts@3.2.0\r\n- Build Modules: -\r\n------------------------------\n\n### Reproduction\n\nRun `nuxt dev` to get the error in the first log below.\r\n\r\nRun `nuxt dev --host` to see the errors in the second log.\n\n### Describe the bug\n\n`unhandledRejection` errors printed in the terminal.\n\n### Additional context\n\nWhen using `nuxt dev --host`, the error is printed repeatedly, every few seconds.\n\n### Logs\n\n```shell-script\n> nuxt dev\r\n\r\nNuxt 3.12.2 with Nitro 2.9.6 2:55:13 PM \r\n 2:55:13 PM \r\n ➜ Local: http://localhost:3000/\r\n ➜ Network: use --host to expose\r\n\r\n ➜ DevTools: press Shift + Alt + D in the browser (v1.3.3) 2:55:17 PM \r\n\r\nℹ Vite client warmed up in 6302ms 2:55:26 PM \r\nℹ Vite server warmed up in 5308ms 2:55:26 PM \r\n✔ Nuxt Nitro server built in 3743 ms nitro 2:55:28 PM \r\n\r\n ERROR [unhandledRejection] Must provide a proper URL as target 2:55:29 PM \r\n\r\n at ProxyServer.ws ([..]/node_modules/httpxy/dist/index.mjs:521:9)\r\n at Object.upgrade ([..]/node_modules/nitropack/dist/chunks/server.mjs:374:24)\r\n at Server.\u003Canonymous> ([..]/node_modules/nuxi/dist/chunks/dev2.mjs:6898:29)\r\n at Server.emit (node:events:526:35)\r\n at onParserExecuteCommon (node:_http_server:942:14)\r\n at onParserExecute (node:_http_server:836:3)\r\n```\r\n\r\n```\r\n> nuxt dev --host\r\n\r\nNuxt 3.12.2 with Nitro 2.9.6 2:59:22 PM \r\n 2:59:22 PM \r\n\r\n █▀▀▀▀▀▀▀██▀▀▀█▀██▀█▀▀▀▀▀▀▀█\r\n █ █▀▀▀█ ██▀▀ ▄█▀█▀█ █▀▀▀█ █\r\n █ █ █ █ █ ▄▀ ▄▄█ █ █ █\r\n █ ▀▀▀▀▀ █▀▄ █▀▄▀█▀█ ▀▀▀▀▀ █\r\n █▀▀███▀▀▀█ ▀█ ▀██▀███▀▀████\r\n ██▄▀▄▀▄▀█▀▀▄▀▀▀█ ▄▄▀▀ ▄ ▀█\r\n ██▄█▄▄█▀ ▄▀ ▄██ ▀▄▀▀▄█▄██ █\r\n █ █ ▄▄█▀▄▄▀ █▄█▄ █▀█▀█▀█ ▀█\r\n █ █ ▄ ▀▀▄▀ █ ▀▄▄▀▀▀▀ █ █▄█\r\n █▀▀▀▀▀▀▀█ ▄ █▀▀ █ █▀█ ▀▄█▀█\r\n █ █▀▀▀█ █▄ ▀▀█▀ ▀▀▀ ▀▀█▄█\r\n █ █ █ ██ ▀█▄██▀ ▀▄▄█▄▀▄ █\r\n █ ▀▀▀▀▀ █ ▄▄▄▀█▀ ▀▄▄▄▀██ █\r\n ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀\r\n\r\n ➜ Local: http://localhost:3000/\r\n ➜ Network: http://172.28.48.1:3000/ [QR code]\r\n ➜ Network: http://192.168.1.190:3000/\r\n\r\n ➜ DevTools: press Shift + Alt + D in the browser (v1.3.3) 2:59:27 PM\r\n\r\nℹ Vite client warmed up in 6466ms 2:59:35 PM\r\nℹ Vite server warmed up in 5322ms 2:59:35 PM\r\n✔ Nuxt Nitro server built in 3746 ms nitro 2:59:37 PM\r\n\r\n ERROR [unhandledRejection] write ECONNABORTED 2:59:41 PM\r\n\r\n at afterWriteDispatched (node:internal/stream_base_commons:160:15)\r\n at writeGeneric (node:internal/stream_base_commons:151:3)\r\n at Socket._writeGeneric (node:net:952:11)\r\n at Socket._write (node:net:964:8)\r\n at writeOrBuffer (node:internal/streams/writable:556:12)\r\n at _write (node:internal/streams/writable:490:10)\r\n at Writable.write (node:internal/streams/writable:494:10)\r\n at IncomingMessage.ondata (node:internal/streams/readable:985:22)\r\n at IncomingMessage.emit (node:events:514:28)\r\n at addChunk (node:internal/streams/readable:545:12)\r\n```\n```\n",[3234,3235],{"name":3200,"color":3201},{"name":3182,"color":3183},27708,"v3.12.2: [unhandledRejection] errors with `nuxt dev`","2024-07-16T09:43:33Z","https://github.com/nuxt/nuxt/issues/27708",0.6504159,{"description":3242,"labels":3243,"number":3244,"owner":3172,"repository":3173,"state":3208,"title":3245,"updated_at":3246,"url":3247,"score":3248},"I am using Nuxt with Deno and used the nuxi to make one from template. I only added `tailwindcss` and `Motion-v` as vite plugins and nothing else.\n\nWhile it does run normally sometimes when I spam refresh on the page or even open the DevTool menu; this `unhandledRejection` error comes out followed by the TypeError and the whole thing crashes.\n\nLooking at the logs it seems like it have to do with the Nuxt CLI npm module\n\n```ts\nimport tailwindcss from \"@tailwindcss/vite\";\nimport MotionResolver from \"motion-v/resolver\";\nimport Components from \"unplugin-vue-components/vite\";\nimport path from \"node:path\";\n\n// https://nuxt.com/docs/api/configuration/nuxt-config\nexport default defineNuxtConfig({\n compatibilityDate: \"2025-07-15\",\n devtools: { enabled: true, timeline: { enabled: true } },\n\n vite: {\n plugins: [\n tailwindcss(),\n Components({\n dts: true,\n resolvers: [\n MotionResolver(),\n ],\n }),\n ],\n\n resolve: {\n alias: {\n \"~\": path.resolve(__dirname),\n },\n },\n },\n});\n```\n\n```\n ERROR [unhandledRejection] The request has been cancelled. 7:38:22 PM\n\n at ext:deno_fetch/23_request.js:287:11\n at ext:deno_http/00_serve.ts:286:61\n at eventLoopTick (ext:core/01_core.js:178:7)\n\nerror: Uncaught TypeError: Unknown signal: 0\n at toDenoSignal (ext:deno_node/internal/child_process.ts:390:11)\n at ChildProcess.kill (ext:deno_node/internal/child_process.ts:299:53)\n at kill (file:///home/iskandaralex2/Isky/LocalDev/Denos/saihex-public-site-v2/node_modules/.deno/@nuxt+cli@3.26.2/node_modules/@nuxt/cli/dist/chunks/dev.mjs:243:17)\n at Process.\u003Canonymous> (file:///home/iskandaralex2/Isky/LocalDev/Denos/saihex-public-site-v2/node_modules/.deno/@nuxt+cli@3.26.2/node_modules/@nuxt/cli/dist/chunks/dev.mjs:320:7)\n at Object.onceWrapper (ext:deno_node/_events.mjs:561:12)\n at Process.emit (ext:deno_node/_events.mjs:448:22)\n at Process.emit (node:process:342:40)\n at Process.exit (node:process:61:13)\n at Process.\u003Canonymous> (file:///home/iskandaralex2/Isky/LocalDev/Denos/saihex-public-site-v2/node_modules/.deno/@nuxt+cli@3.26.2/node_modules/@nuxt/cli/dist/chunks/index.mjs:376:15)\n at Object.onceWrapper (ext:deno_node/_events.mjs:561:12)\n at Process.emit (ext:deno_node/_events.mjs:448:22)\n at Process.emit (node:process:342:40)\n at Object.internals.nodeProcessUnhandledRejectionCallback (node:process:654:15)\n at processUnhandledPromiseRejection (ext:runtime_main/js/99_main.js:439:15)\n at eventLoopTick (ext:core/01_core.js:228:25)\n```\n\nJust to clarify: this is within `deno task dev`. I haven't tested whether this would happen in production or not",[],967,"Deno: Uncaught TypeError: Unknown signal: 0","2025-07-20T16:13:26Z","https://github.com/nuxt/cli/issues/967",0.6559125,{"description":3250,"labels":3251,"number":3255,"owner":3172,"repository":3173,"state":3208,"title":3193,"updated_at":3256,"url":3257,"score":3258},"### Environment\n\n- Operating System: `Windows_NT`\n- Node Version: `v22.14.0`\n- Nuxt Version: `4.0.2`\n- CLI Version: `3.27.0`\n- Nitro Version: `2.12.4`\n- Package Manager: `npm@11.4.2`\n- Builder: `-`\n- User Config: `app`, `runtimeConfig`, `$development`, `css`, `modules`, `quasar`, `pinia`, `imports`, `vite`, `nitro`, `devServer`, `ssr`, `experimental`, `build`, `alias`, `piniaPluginPersistedstate`, `fonts`, `security`, `compatibilityDate`, `devtools`, `future`, `pwa`\n- Runtime Modules: `nuxt-quasar-ui@2.1.13`, `@pinia/nuxt@0.11.2`, `@vueuse/nuxt@13.6.0`, `pinia-plugin-persistedstate/nuxt@4.4.1`, `@formkit/auto-animate/nuxt@0.8.2`, `@nuxt/eslint@1.7.1`, `@nuxt/fonts@0.11.4`, `@vite-pwa/nuxt@1.0.4`\n- Build Modules: `-`\n\n\n### Reproduction\n\nEvery time I start a dev environment using `nuxi dev`, I encounter an error that causes the dev server to stop responding and the build to restart. I have to refresh the application with `Ctrl+F5` to get it working. It seems to run fine after that. \n\nThis issue occurs since I updated my application to Nuxt v4. \n\nHere's the error message:\n``` \nERROR [unhandledRejection] read ECONNRESET 11:02:00 \n\n at TLSWrap.onStreamRead (node:internal/stream_base_commons:216:20)\n at TLSWrap.callbackTrampoline (node:internal/async_hooks:130:17)\n```\n\n### Describe the bug\n\nSee: Reproduction.\n\n### Additional context\n\n_No response_\n\n### Logs\n\n```shell-script\n\n```\n\nhttps://github.com/nuxt-modules/robots/issues/221",[3252],{"name":3253,"color":3254},"windows","F96443",994,"2025-08-09T14:09:23Z","https://github.com/nuxt/cli/issues/994",0.6569906,{"description":3260,"labels":3261,"number":3266,"owner":3172,"repository":3172,"state":3208,"title":3267,"updated_at":3268,"url":3269,"score":3270},"While working on a Nuxt 4.0.0 project, the development server **unexpectedly crashes after saving a file** — typically after Hot Module Replacement (HMR) is triggered.\n\n🟡 **The crash does not occur every time** I save a file, but it starts happening **after a while**, and I can't identify a consistent cause. Once it starts, saving a file (which triggers HMR) often causes the dev server to shut down with the following error:\n\n---\n\n### 🧨 Error Output\n\n\n\n```\n✔ Vite server hmr 15 files in 42.47ms 2:22:20 AM\n\n ERROR [unhandledRejection] write EPIPE 2:22:28 AM\n\n at afterWriteDispatched (node:internal/stream_base_commons:159:15)\n at writeGeneric (node:internal/stream_base_commons:150:3)\n at Socket._writeGeneric (node:net:971:11)\n at Socket._write (node:net:983:8)\n at writeOrBuffer (node:internal/streams/writable:572:12)\n at _write (node:internal/streams/writable:501:10)\n at Writable.write (node:internal/streams/writable:510:10)\n at Socket.ondata (node:internal/streams/readable:1009:22)\n at Socket.emit (node:events:518:28)\n at addChunk (node:internal/streams/readable:561:12)\n```\n\n**Notes**\n\n- Issue began after upgrading to nuxt@4.0.0 and @nuxt/schema@4.0.0.\n- Possibly related to a recent change in how Vite handles streams or socket communication.\n- No custom server or middleware logic has been added.\n\nNpm version:\n```\n{\n \"npm\": \"10.9.2\",\n \"node\": \"22.16.0\",\n \"v8\": \"12.4.254.21-node.26\",\n \"uv\": \"1.51.0\",\n \"zlib\": \"1.2.12\",\n \"openssl\": \"3.5.0\"\n}\n```\n\nPackages:\n@commitlint/cli@19.8.1 \n@element-plus/nuxt@1.1.4 \n@nuxt/devtools@2.6.2 \n@nuxt/module-builder@1.0.1 \n**@nuxt/schema@4.0.0** \n@nuxt/test-utils@3.19.2 \n@nuxt/types@2.18.1 \n@nuxtjs/i18n@10.0.0 \n@nuxtjs/tailwindcss@6.14.0 \n@pinia/nuxt@0.11.2 \n@types/markdown-it@14.1.2 \n@types/moment-timezone@0.5.30 \n@types/sortablejs@1.15.8 \n@vitest/coverage-v8@3.2.4 \n@vue/test-utils@2.4.6 \napexcharts@5.2.0 \naxios@1.10.0 \neslint@8.57.1 \neslint-plugin-vue@10.3.0 \nhusky@9.1.7 \nmarkdown-it@14.1.0 \nmitt@3.0.1 \n**nuxt@4.0.0** \nopenai@5.9.0 \nsass@1.89.2 \nstylelint@16.21.1 \ntypescript@5.8.3 \nvite-tsconfig-paths@5.1.4 \nvitest@3.2.4 \n**vue@3.5.17** \nvue-router@4.5.1 \nvue3-apexcharts@1.8.0 \n\n\n### Reproduction\n\nRun npm install.\nRun npm run dev.\n",[3262,3263],{"name":3182,"color":3183},{"name":3264,"color":3265},"possible regression","B90A42",32689,"❗ Nuxt 4.0.0 - Dev Server Crashes After Random Hot Reload (`write EPIPE` Error)","2025-07-20T08:11:08Z","https://github.com/nuxt/nuxt/issues/32689",0.6588351,["Reactive",3272],{},["Set"],["ShallowReactive",3275],{"$fTRc1wZytZ_XrK4EfJfei_Sz-An4H4Yy6syhVxH_PVJc":-1,"$fXzQP4vmoUUbTbdpzjYF8pv2V90lQITmDZnhUcWQzD98":-1},"/nuxt/cli/985"]