Issue #20985 has been updated by nobu (Nobuyoshi Nakada). Description updated This constant was introduced in commit:ae2c8b45d2c345faea6a7f2203603b4862f3a66c, but has never existed then or since. Although we cannot guess the author's intention, the `rescue` clause looks able to be removed safely. Could you report it to the upstream, https://github.com/ruby/net-http? ---------------------------------------- Bug #20985: Undefined constant in net/http https://bugs.ruby-lang.org/issues/20985#change-111220 * Author: BertramScharpf (Bertram Scharpf) * Status: Open * ruby -v: ruby 3.3.6 (2024-11-05 revision 75015d4c1f) [amd64-freebsd14] * Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN ---------------------------------------- ```console $ grep -rnH HTTPAuthenticationError /usr/local/lib/ruby /usr/local/lib/ruby/site_ruby/3.3/rubygems/vendor/net-http/lib/net/http.rb:2455: raise HTTPAuthenticationError.new('HTTP authentication failed', err) /usr/local/lib/ruby/3.3/net/http.rb:2455: raise HTTPAuthenticationError.new('HTTP authentication failed', err) /usr/local/lib/ruby/3.3/rubygems/vendor/net-http/lib/net/http.rb:2455: raise HTTPAuthenticationError.new('HTTP authentication failed', err) $ ruby -r net/http -e 'HTTPAuthenticationError' -e:1:in `<main>': uninitialized constant HTTPAuthenticationError (NameError) HTTPAuthenticationError ^^^^^^^^^^^^^^^^^^^^^^^ ``` The `raise` statement will just transform a meaningful error into a `NameError`. -- https://bugs.ruby-lang.org/