📄 tanstack/start/latest/docs/framework/solid/guide/error-boundaries
File: error-boundaries.md | Updated: 11/15/2025
Source: https://tanstack.com/start/latest/docs/framework/solid/guide/error-boundaries
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Error Boundaries (Solid Start)
------------------------------
TanStack Start (Solid) uses TanStack Router's route-level error boundaries.
- Set a default for all routes via the router
- Override per-route with errorComponent
tsx
// src/router.tsx
import { createRouter, ErrorComponent } from '@tanstack/solid-router'
import { routeTree } from './routeTree.gen'
export function getRouter() {
const router = createRouter({
routeTree,
defaultErrorComponent: ({ error, reset }) => (
<ErrorComponent error={error} />
),
})
return router
}
// src/router.tsx
import { createRouter, ErrorComponent } from '@tanstack/solid-router'
import { routeTree } from './routeTree.gen'
export function getRouter() {
const router = createRouter({
routeTree,
defaultErrorComponent: ({ error, reset }) => (
<ErrorComponent error={error} />
),
})
return router
}
tsx
// src/routes/posts.$postId.tsx
import { createFileRoute, ErrorComponent } from '@tanstack/solid-router'
import type { ErrorComponentProps } from '@tanstack/solid-router'
function PostError(props: ErrorComponentProps) {
return <ErrorComponent error={props.error} />
}
export const Route = createFileRoute('/posts/$postId')({
component: PostComponent,
errorComponent: PostError,
})
// src/routes/posts.$postId.tsx
import { createFileRoute, ErrorComponent } from '@tanstack/solid-router'
import type { ErrorComponentProps } from '@tanstack/solid-router'
function PostError(props: ErrorComponentProps) {
return <ErrorComponent error={props.error} />
}
export const Route = createFileRoute('/posts/$postId')({
component: PostComponent,
errorComponent: PostError,
})
Notes:
- ErrorComponent is a simple built-in UI you can replace.
- Call reset() to retry rendering the route after fixing state.
- Use beforeLoad/loader to throw errors that will be caught.
