webpack
HMR (Hot Module Replacement) failure
\[HMR\].*error|Hot Module Replacement.*failed|Cannot apply.*update
Fixes
- 1.Full page reload usually recovers — check for syntax errors in changed file
- 2.Ensure module.hot.accept() is configured for custom HMR boundaries
- 3.Check WebSocket connection to dev server isn't blocked by proxy/firewall
webpackvitehmr
Related Errors
webpack3 fixes
Webpack/Vite module not found
Module not found.*Can't resolve
- •Install the missing package: npm install <package-name>
- •Check import path for typos and correct relative path resolution
webpack3 fixes
Webpack missing loader for file type
You may need an appropriate loader|Module parse failed.*Unexpected token
- •Install and configure the appropriate loader (babel-loader, ts-loader, css-loader)
- •Add the file extension to module.rules in webpack config
webpack3 fixes
Dynamic chunk loading failure at runtime
ChunkLoadError|Loading chunk.*failed|Chunk.*not found
- •Add retry logic for dynamic imports: catch error and retry import()
- •Ensure CDN/server serves all chunk files from correct publicPath