ruby/rubygems · error · MarshalError

#{e.class}: #{e.message}

Error message

#{e.class}: #{e.message}

What it means

Error "#{e.class}: #{e.message}" thrown in ruby/rubygems.

Source

Thrown at lib/bundler.rb:513

      extensions = [RbConfig::CONFIG["EXEEXT"]] unless extensions&.any?
      candidates = extensions.map {|ext| "#{path}#{ext}" }

      candidates.find {|candidate| File.file?(candidate) && File.executable?(candidate) }
    end

    def read_file(file)
      SharedHelpers.filesystem_access(file, :read) do
        File.open(file, "r:UTF-8", &:read)
      end
    end

    def safe_load_marshal(data)
      if Gem.respond_to?(:load_safe_marshal)
        Gem.load_safe_marshal
        begin
          Gem::SafeMarshal.safe_load(data)
        rescue Gem::SafeMarshal::Reader::Error, Gem::SafeMarshal::Visitors::ToRuby::Error => e
          raise MarshalError, "#{e.class}: #{e.message}"
        end
      else
        load_marshal(data, marshal_proc: SafeMarshal.proc)
      end
    end

    def load_gemspec(file, validate = false)
      @gemspec_cache ||= {}
      key = File.expand_path(file)
      @gemspec_cache[key] ||= load_gemspec_uncached(file, validate)
      # Protect against caching side-effected gemspecs by returning a
      # new instance each time.
      @gemspec_cache[key]&.dup
    end

    def load_gemspec_uncached(file, validate = false)
      path = Pathname.new(file)
      contents = read_file(file)

View on GitHub (pinned to 86cbb817a3)

When it happens

Trigger: Thrown at lib/bundler.rb:513 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/4519571f36e6beb8. Report an issue: GitHub.