更新旧版gem后出现ruby“gem not found”错误

t1rydlwq 于 12个月前发布在 Ruby

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更新机架从2.2.7到3.0.8现在我得到以下错误后运行捆绑安装：

C:/Ruby30-x64/lib/ruby/site_ruby/3.0.0/rubygems.rb:265:in `find_spec_for_exe': can't find gem rack (>= 0.a) with executable rackup (Gem::GemNotFoundException)
from C:/Ruby30-x64/lib/ruby/site_ruby/3.0.0/rubygems.rb:284:in `activate_bin_path'
from C:/Ruby30-x64/bin/rackup:25:in `<main>'

当gem rack-session显然需要更新的版本或机架时，错误开始：

C:/Ruby30-x64/lib/ruby/gems/3.0.0/gems/rack-2.2.7/lib/rack/session/cookie.rb:155:in `<class:Cookie>': undefined method `DelegateClass' for Rack::Session::Cookie:Class

所以我更新到最新版本，并删除旧版本的机架，现在我得到的错误，我该怎么办？

ruby

来源：https://stackoverflow.com/questions/77024471/ruby-gem-not-found-error-after-updating-older-gem