Verify your session store configuration, check for cookie settings, and ensure that sessions are being properly initialized and terminated.

Fixing issues with session management in your Node.js application is crucial for maintaining user authentication and state, so addressing these problems systematically is key. Start by verifying your session store configuration; whether you’re using in-memory storage or a database like Redis, ensure that it is properly connected and configured to handle session data. Check your cookie settings to confirm that cookies are being set and sent correctly; review attributes like httpOnly, secure, and sameSite to ensure they align with your application's security requirements. It’s essential to ensure that sessions are being properly initialized when users log in and terminated when they log out, as this can affect user experience and security. Implement logging to monitor session creation and termination events; this can help identify issues where sessions are not being saved or retrieved correctly. Additionally, consider testing session management in various environments, such as development and production, as differences in configuration may lead to unexpected behavior. By systematically reviewing these areas, you can effectively troubleshoot and resolve session management issues in your Node.js application.