ruby/rubygems · error · Bundler::GemNotFound

Could not find gem '#{name}', because it's in the #{verbaliz

Error message

Could not find gem '#{name}', because it's in the #{verbalize_groups(dep_in_other_group.groups)}, configured to be ignored.

What it means

Error "Could not find gem '#{name}', because it's in the #{verbalize_groups(dep_in_other_group.groups)}, configured to be ignored." thrown in ruby/rubygems.

Source

Thrown at lib/bundler/cli/common.rb:85

    def self.select_spec(name, regex_match = nil)
      specs = []
      regexp = Regexp.new(name) if regex_match

      Bundler.definition.specs.each do |spec|
        return spec if spec.name == name
        specs << spec if regexp && spec.name.match?(regexp)
      end

      default_spec = default_gem_spec(name)
      specs << default_spec if default_spec

      case specs.count
      when 0
        dep_in_other_group = Bundler.definition.current_dependencies.find {|dep|dep.name == name }

        if dep_in_other_group
          raise GemNotFound, "Could not find gem '#{name}', because it's in the #{verbalize_groups(dep_in_other_group.groups)}, configured to be ignored."
        else
          raise GemNotFound, gem_not_found_message(name, Bundler.definition.dependencies)
        end
      when 1
        specs.first
      else
        ask_for_spec_from(specs)
      end
    rescue RegexpError
      raise GemNotFound, gem_not_found_message(name, Bundler.definition.dependencies)
    end

    def self.default_gem_spec(name)
      gem_spec = Gem::Specification.find_all_by_name(name).last
      gem_spec if gem_spec&.default_gem?
    end

    def self.ask_for_spec_from(specs)

View on GitHub (pinned to 86cbb817a3)

When it happens

Trigger: Thrown at lib/bundler/cli/common.rb:85 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of ruby/rubygems@86cbb817a3 (2026-08-23). Data as JSON: /api/errors/0af0c70e3a742a0c. Report an issue: GitHub.