It is not possible to use url aliases on admin/settings/error-reporting page to set custom error page
it is inconsistent with admin/settings/site-information where I can use url alias for the default front page

it is hard to create language dependent error pages without this functionality

CommentFileSizeAuthor
#1 custom_error_page_url_alias.patch1.66 KBRobLoach
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Comments

RobLoach’s picture

RobLoach
he/him
CreditAttribution: RobLoach commented
Title: can not use url alias for custom error page » Cannot set custom error pages to URL aliases
Status: Active » Needs review
FileSize
custom_error_page_url_alias.patch1.66 KB

Without the validation in place, you can set the error page to anything you want, including URL aliases. When the 404 error reporting page is set to a URL that's not being used by either a system path or a URL alias, it outputs the default page not found page. This seems to effectively get the desired result.

This also helps when you want to set the 404 page to a View taking in some custom arguments that arn't present in the menu system.

Pasqualle’s picture

Pasqualle
Location 🇭🇺 Budapest
CreditAttribution: Pasqualle commented
Status: Needs review » Reviewed & tested by the community

the patch works.
there is still inconsistency with default front page validation, but you convinced me, the validation is not necessary.

tested:
multilingual error pages with path alias
inexistent url set as custom error page

Dries’s picture

Dries CreditAttribution: Dries commented

I can't think of any immediate side effects so this looks good to me.

Gábor Hojtsy’s picture

Gábor Hojtsy
he/him
Primary language Hungarian
Location Hungary
CreditAttribution: Gábor Hojtsy commented
Status: Reviewed & tested by the community » Fixed

Agreed, committed, thanks.

Anonymous’s picture

Anonymous (not verified) CreditAttribution: Anonymous commented
Status: Fixed » Closed (fixed)

Automatically closed -- issue fixed for two weeks with no activity.