If your application isn't logging output, check your logging configuration and ensure that your logger is properly instantiated and used throughout the application.

Not receiving any logging output from your Node.js application can be frustrating, especially when troubleshooting issues. To resolve this, start by reviewing your logging configuration. Ensure that the logging library you are using (like winston or bunyan) is properly set up and instantiated at the beginning of your application. Confirm that you have configured the logging level correctly; if it's set to a higher level, such as error, you may not see informational or debug logs. Examine your application code to ensure that logging statements are placed correctly and are being executed. Consider adding additional logging statements to key parts of your application to ensure that they are firing as expected. If you're running your application in a production environment, check that logs are being sent to the correct output destination, whether that's the console, a file, or a logging service. Finally, review your hosting environment's settings; some platforms might suppress logs or redirect them elsewhere, so be sure to consult your provider's documentation for details on accessing logs. By systematically checking these areas, you can effectively resolve issues related to missing log output.