Experiencing Invalid OAuth State scenarios When Integrating Facebook Login with Next.js and NextAuth.js
I'm building a feature where I've been banging my head against this for hours..... I'm trying to integrate Facebook Login using NextAuth.js in my Next.js application, but I'm running into an scenario with the OAuth flow. Specifically, when I attempt to log in, I receive an behavior message stating 'Invalid OAuth state.' I've carefully followed the setup instructions and ensured that the redirect URI matches what I've configured in the Facebook Developer Console. Here’s a snippet of how I’m configuring NextAuth.js for Facebook: ```javascript import NextAuth from 'next-auth'; import FacebookProvider from 'next-auth/providers/facebook'; export default NextAuth({ providers: [ FacebookProvider({ clientId: process.env.FACEBOOK_CLIENT_ID, clientSecret: process.env.FACEBOOK_CLIENT_SECRET, authorization: { params: { scope: 'email' } } }) ], secret: process.env.NEXTAUTH_SECRET, // other options... }); ``` I’ve verified that the environment variables for `FACEBOOK_CLIENT_ID`, `FACEBOOK_CLIENT_SECRET`, and `NEXTAUTH_SECRET` are all set correctly in my `.env.local` file: ``` FACEBOOK_CLIENT_ID=your_facebook_client_id FACEBOOK_CLIENT_SECRET=your_facebook_client_secret NEXTAUTH_SECRET=your_nextauth_secret ``` When I click the login button, it redirects to Facebook for authentication, and after I grant permission, the redirect back to my app fails with the 'Invalid OAuth state' behavior. I’ve checked my browser’s console and NextAuth.js debugging logs for any clues, but there’s nothing indicating what might be wrong. I've also ensured that cookie settings are compliant across different domains, as I’m testing on localhost. I've tried clearing my browser cookies and using incognito mode but the scenario continues. Is there a known scenario with managing OAuth states in NextAuth.js that I might be missing? Any guidance on troubleshooting this would be greatly appreciated! This is part of a larger CLI tool I'm building. How would you solve this? I'm working in a Windows 10 environment. Any help would be greatly appreciated!