undefined variable logger rails

  1. Identify the Rails application configuration file.
  2. Open the identified configuration file (commonly config/application.rb).
  3. Locate the configuration block where the logger is set up.
  4. Ensure that the logger is properly defined within the configuration block.
  5. Verify that there are no typos or syntax errors in the logger configuration.
  6. If the logger is still undefined, check for any conditional statements affecting its definition.
  7. Confirm that the Rails environment (development, test, production) is correctly set.
  8. If using a custom logger, ensure that the custom logger class is properly defined.
  9. Restart the Rails application to apply the changes and reload the configuration.
  10. If the issue persists, inspect the application's log files for any error messages related to the logger.