404 errors produce a 6 line stacktrace

[fkusei]

Oct 06 14:00:21 webfs[3686339]: 2021-10-06T14:00:21.592027Z  ERROR - http.server: Unhandled exception on HTTP::Handler
Oct 06 14:00:21 webfs[3686339]: Error resolving real path: '/opt/webfs/favicon.ico': No such file or directory (File::NotFoundError)
Oct 06 14:00:21 webfs[3686339]:   from /home/runner/work/_temp/crystal-latest-true-undefined/share/crystal/src/gc/boehm.cr:110:5 in '->'
Oct 06 14:00:21 webfs[3686339]:   from /home/runner/work/_temp/crystal-latest-true-undefined/share/crystal/src/primitives.cr:266:3 in '->'
Oct 06 14:00:21 webfs[3686339]:   from /home/runner/work/_temp/crystal-latest-true-undefined/share/crystal/src/primitives.cr:266:3 in 'run'
Oct 06 14:00:21 webfs[3686339]:   from ???

[CroneKorkN]

resolved