Aurora Scharff • 3/23/2026

Error Handling in Next.js with catchError

This article discusses error handling in Next.js App Router, focusing on the limitations of react-error-boundary with Server Components. It explains how Next.js throws errors for control flow (notFound, redirect) that react-error-boundary misinterprets, and how its recovery mechanism fails to re-fetch server data. The post then introduces unstable_catchError from next/error as a framework-aware alternative, covering workarounds and the new error.tsx with retry() for proper error boundaries.

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#React #server components #nextjs