[Bug]: 'Panic occurred at runtime' with 1.7.2 in Module Federation context #12693
Description
Version
System:
OS: macOS 26.2
CPU: (11) arm64 Apple M3 Pro
Memory: 105.50 MB / 36.00 GB
Shell: 5.9 - /bin/zsh
Browsers:
Chrome: 143.0.7499.147
Firefox: 85.0
Safari: 26.2
npmPackages:
@module-federation/rsbuild-plugin: 0.21.6
@rsbuild/core: 1.7.2
@rsbuild/plugin-react: 1.4.2
@rsbuild/plugin-sass: 1.4.0Details
A 'Panic occurred at runtime' error occurs when building a federated module using @rsbuild/[email protected]. Version 1.7.1 works fine.
Reproduce link
https://github.com/tetelb/rspack-repro
Reproduce Steps
// rsbuild.config.ts
import { pluginModuleFederation } from '@module-federation/rsbuild-plugin'
import { defineConfig } from '@rsbuild/core'
import { pluginReact } from '@rsbuild/plugin-react'
export default defineConfig({
plugins: [
pluginReact(),
pluginModuleFederation({
name: 'remote',
manifest: true,
exposes: {
'.': './src/entry.ts',
'./path': './src/entry.ts' // <-- same file
},
}),
],
server: { cors: { origin: ['http://localhost:5173'] } },
})// src/entry.ts
import('./bootstrap')// src/bootstrap.tsx
import { createRoot } from 'react-dom/client'
const rootElement = document.getElementById('root')
const App = () => 'Hello World'
if (rootElement) {
const root = createRoot(rootElement)
root.render(<App />)
}> rsbuild build
Rsbuild v1.7.2
info build started...
Panic occurred at runtime. Please file an issue on GitHub with the backtrace below: https://github.com/web-infra-dev/rspack/issues: panicked at crates/rspack_core/src/lib.rs:341:26:
Chunk(ChunkUkey(Ukey(2), PhantomData<rspack_core::chunk::Chunk>)) not found in ChunkByUkey
[1] 98448 abort npm run build