404s logged in error.log?

[Daniel Black]

----- Original Message -----
> I was wondering if someone could confirm that requests resulting in a
> 404
> response are by default logged to error.log at error level "error".
> 
> Is that normal, or is there some piece of configuration I am missing
> that
> will stop them from being logged to error.log? I figured 404s would be
> an
> un-exceptional event that doesn't require error logging,

Correct.

> but perhaps
> I'm
> simply not handling that situation correctly in my configuration.
> Worth
> double-checking.
> 

4xx responses are a client errors and don't go in the error.log

5xx are server errors which do go in the error log.