ruby/rubygems · error · Bundler::GemNotFound

7

7

Error message

Can't cache gem #{version_message(spec)} because #{self} is missing!

What it means

Error "Can't cache gem #{version_message(spec)} because #{self} is missing!" thrown in ruby/rubygems.

Source

Thrown at lib/bundler/source/path.rb:90

      def name
        File.basename(expanded_path.to_s)
      end

      def install(spec, options = {})
        using_message = "Using #{version_message(spec, options[:previous_spec])} from #{self}"
        using_message += " and installing its executables" unless spec.executables.empty?
        print_using_message using_message
        generate_bin(spec, disable_extensions: true)
        nil # no post-install message
      end

      def cache(spec, custom_path = nil)
        app_cache_path = app_cache_path(custom_path)
        return unless Bundler.settings[:cache_all]
        return if expand(@original_path).to_s.index(root_path.to_s + "/") == 0

        unless @original_path.exist?
          raise GemNotFound, "Can't cache gem #{version_message(spec)} because #{self} is missing!"
        end

        FileUtils.rm_rf(app_cache_path)
        FileUtils.cp_r("#{@original_path}/.", app_cache_path)
        FileUtils.touch(app_cache_path.join(".bundlecache"))
      end

      def local_specs(*)
        @local_specs ||= load_spec_files
      end

      def specs
        if has_app_cache?
          @path = app_cache_path
          @expanded_path = nil # Invalidate
        end
        local_specs
      end

View on GitHub (pinned to 86cbb817a3)

When it happens

Trigger: Thrown at lib/bundler/source/path.rb:90 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/a35ac0e17a3850ae. Report an issue: GitHub.