react

Next.js middleware matcher not matching routes

middleware.*matcher.*not matching

Fixes

1.Check matcher config syntax in middleware.ts
2.Use regex or array pattern for matcher
3.Verify middleware.ts is at project root

next.jsmiddlewarerouting

Related Errors

React hydration mismatch

Hydration failed because.*server rendered HTML.*didn't match

•Ensure server and client render same content
•Use suppressHydrationWarning for dynamic content

Text content hydration mismatch

Text content does not match server-rendered HTML

•Don't use Date.now() or Math.random() in render
•Use useEffect for client-only values

use client directive error in Server Component

(useClient|use client).*server component

•Add 'use client' at top of file
•Move useState/useEffect to client component