http://[3ffe:b00:4041:ace0:260:f8ff:fe03:bc9]/resources should redirect to http://[3ffe:b00:4041:ace0:260:f8ff:fe03:bc9]/resources/ (add slash). Intstead it seems to redirect to: http://3ffe:b00:4041:ace0:260:f8ff:fe03:bc9/resources/ (remove square brackets and add slash). This, of course, does not resolve.
Created attachment 5943 [details] proposed patch for PR 19207 (build URL from IPv6 literal)
Please try the attached patch and report back. Thanks for your report!
Issue is resolved with given patch on Apache/2.0.45.
Thanks for the quick feedback. The fix you tested has been committed to Apache 2.1-dev. If the fix doesn't prove to be problematic to others, I'll propose it for merging into the next stable release (e.g., 2.0.46).