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Graph/build-startup-infinite-hang

AntiPattern

Build-Time Infinite Hang

build-startup-infinite-hang

During production build/runtime startup, misconfigured or brittle integration points (webpack auto-start, dynamicIO, service-worker fetch/install, or missing Next.js binaries) trap the app in non-terminating loops so endpoints never serve.

Node Details

Public graph metadata

Updated7/26/2026

Connections

30 linked nodes

MATCHESSolution

Use a cleanup function to clear the timeout, or simulate latency with Chrome DevTools throttling or MSW delay instead

MATCHESSolution

Tension: prevents you from interact with other elements. Outcome: working playground: https://stackblitz.com/edit/stackblitz-starters-gl6ghw?description=The%20React%20framework%20for%20production&file=app%2Fpage.tsx,app%2Fglobals.css&title=Next.js%20Starter.

MATCHESSolution

Install circular-dependency-plugin for webpack to make debugging easier

MATCHESSolution

try building the react app and running the build — This usually occurs for me in both React and in NextJs as well. Tension: it shouldn't take much time compared to before. Outcome: it shouldn't take much time compared to before.

MATCHESSolution

Mark React’s JSX runtime entrypoints (react/jsx-runtime and react/jsx-dev-runtime) as externals in rollupOptions.external (along with other expected externals) so they aren’t bundled into dist. Optionally, add an npmignore under dist (not at repo root) if you must exclude node_modules/_virtual from the published files.

MATCHESSolution

webpack config. Tension: These two solutions can both fix this issue.

MATCHESSolution

post-start failures. Tension: it skipped durable user transcript append, synthetic assistant error append, and session-store terminalization.

MATCHESSolution

Add a force reload flag — Next.js App Router API route. Tension: ensure functions aren't reused. Outcome: export const dynamic = 'force-dynamic'; export const revalidate = 0;.

MATCHESSolution

I couldn't find any clear solution — from this template. Tension: the issue persists. Outcome: I am deploying backend and frontend separately.

MATCHESSolution

Host your NextJS app in Azure Static WebApp — hosting NextJS app there. Tension: the developer experience of hosting NextJS app there is extremely poor. Outcome: the last time I tried, it just did not work.

MATCHESSolution

override Build command to `npx prisma generate && next build` — under Build & Development Settings. Tension: API route failed. Outcome: Redeploy the app.

MATCHESSolution

"start": "node server.js". Tension: the build step but didn't run my server. Outcome: "dest": "server.js".

MATCHESSolution

You are going to have to use 11.1.4 — Amplify doesn't support Nextjs 12 yet. Tension: the build is error when starting SSR build. Outcome: use 11.1.4.

MATCHESSolution

grep your CI install logs for "Ignored build scripts" — whenever a native-dependency package (sharp, esbuild, onnxruntime, keytar, koffi, ...) misbehaves only in CI. Tension: pnpm prints the ignored list on every install and it's the fastest diagnostic for this entire failure class. Outcome: the fastest diagnostic for this entire failure class.

MATCHESSolution

CI Stability Fix. Tension: workflow randomly fails at times. Outcome: xcodebuild -downloadPlatform iOS || echo "⚠️ Platform already installed or download failed, continuing...".

MATCHESSolution

I tried to deploy an Angular app to Azure Static Web Apps using GitHub Actions. Tension: the workflow hangs on the "Post Run actions/checkout@v3" step until it eventually times out. Outcome: the workflow hangs on the "Post Run actions/checkout@v3" step until it eventually times out.

MATCHESSolution

New webpack.config.js code — webpack.config.js. Tension: autostart functionality of the custom-webpack-bundle analyser added to the app. Outcome: if (process.env.ANALYZE) { plugins.push(new BundleAnalyzerPlugin()); }.

MATCHESSolution

bound it with a "progress ceiling" — a process emitting bytes but making NO semantic progress. Tension: a process emitting bytes but making NO semantic progress (livelock) would be shielded forever. Outcome: re-arms recovery after a long no-progress window even while bytes flow.

MATCHESSolution

you can use --webpack with the build script — "build": "next build --webpack". Tension: It's a problem with turbopack. Outcome: this solved the issue for me.

MATCHESSolution

When running a production build via `next build`, the metadata is correctly inside the head tag. — production builds. Tension: This is not an issue for production builds so it should be okay. Outcome: You can verify this by checking the index file: `.next/server/app/index.html`, which is generated after a production build.

MATCHESSolution

Use environment checks like `typeof window === 'undefined'` to determine server vs client, and start Next.js with Node inspector (`NODE_OPTIONS='--inspect' next dev`) to attach Chrome DevTools to debug server-side code.

MATCHESSolution

if (process.env.NEXT_RUNTIME !== 'nodejs') return; — instrumentation.ts. Outcome: await connectToMongoDB();.

MATCHESSolution

have you restarted the nextjs development server? — Ensure `tsconfig.json` is being used by the ts compiler. Tension: The import order, make sure that `utils.d.ts` file is being imported before any other file that uses custom declarations. Outcome: if the problem persist, could you share the webpack/ babel configs?

MATCHESSolution

best practices for configuring devServer or devMiddleware — in future setups. Tension: prevent such vulnerabilities. Outcome: without upgrading the entire Vue CLI or webpack stack.

MATCHESSolution

Stage 2 (startup). Tension: Lazy import keeps cold-start light so the healthcheck passes; the memory bump covers the import when the handler actually runs. Outcome: functions-framework can bind the port.

MATCHESSolution

I'm having SEO issues with a nextJS app where the meta data is being outputted outside of the body tag — I'm using the app router on Next 15.2.3. Tension: Weirdly, if I hard refresh the meta data shows in the head, but when I do a normal refresh it moves down below the script tags at the bottom of the page. Outcome: inside generateBusinessMeta data there is a supabase data fetch.

MATCHESSolution

starting the debugging process by exploring the Expo router file — The error message only points to the entry.js file. Tension: Could this problem be cause d by something in my code, or is it more likely related to something else? Outcome: That was exactly where the bug was.

MATCHESSolution

Tension: it was being looped infinitely, crashed and restarted every time. Outcome: fixes the issue.

MATCHESSolution

Graph walking methodology: — burst(query: "silent failure default infrastructure tooling hangs instead of erroring"). Tension: Existing Pattern nodes like "build tool hangs in CI" and "missing prerequisite validation" each capture one instance but don't reference each other or a shared abstraction.

MATCHESSolution

Rebuilt App.tsx as the OracleController beat machine. Outcome: running the authored cascade arrest→anchor→recognition→locked on setTimeout timers.

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