The issue Add an option to suppress page not found watchdog messages at https://www.drupal.org/node/2836458 indicates that a setting was added to Drupal 8 to suppress page not found errors in watchdog. I can't find the setting in the interface. Am I mistaken in understanding that it was added? If not, where do I find this setting? Running Drupal 8.8.1.


Yes that option is available as described in the linked issue.

Make sure you have the Redirect 404 module enabled, visit /admin/config/search/redirect/settings, and select the Suppress 'page not found' log messages option.

Configuration form screenshot

That will stop 404s being logged.

  • Thanks, @Clive. I don't see the Redirect 404 module as being available for Drupal 8. Am I missing something there? Ah! I see it's in core. I'l try it out and report. Jan 20 '20 at 17:10
  • Oh right, it’s part of the normal redirect module (as a submodule) in D8 @Marshall
    – Clive
    Jan 20 '20 at 18:05
  • Worked perfectly! Thanks again, @Clive. Enabling 404 Redirect was it. It's always the one little thing I miss that catches me. Jan 20 '20 at 19:34

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