ruby/rubygems · error · Gem::Exception

OpenSSL is not available. Install OpenSSL and rebuild Ruby (

Error message

OpenSSL is not available. Install OpenSSL and rebuild Ruby (preferred) or use non-HTTPS sources

What it means

Error "OpenSSL is not available. Install OpenSSL and rebuild Ruby (preferred) or use non-HTTPS sources" thrown in ruby/rubygems.

Source

Thrown at lib/rubygems/request.rb:54

    @connection_pool = pool
  end

  def proxy_uri
    @connection_pool.proxy_uri
  end

  def cert_files
    @connection_pool.cert_files
  end

  def self.get_cert_files
    pattern = File.expand_path("./ssl_certs/*/*.pem", __dir__)
    Dir.glob(pattern)
  end

  def self.configure_connection_for_https(connection, cert_files)
    raise Gem::Exception.new("OpenSSL is not available. Install OpenSSL and rebuild Ruby (preferred) or use non-HTTPS sources") unless Gem::HAVE_OPENSSL

    connection.use_ssl = true
    connection.verify_mode =
      Gem.configuration.ssl_verify_mode || OpenSSL::SSL::VERIFY_PEER
    store = OpenSSL::X509::Store.new

    if Gem.configuration.ssl_client_cert
      pem = File.read Gem.configuration.ssl_client_cert
      connection.cert = OpenSSL::X509::Certificate.new pem
      connection.key = OpenSSL::PKey.read pem
    end

    store.set_default_paths
    cert_files.each do |ssl_cert_file|
      store.add_file ssl_cert_file
    end
    if Gem.configuration.ssl_ca_cert
      if File.directory? Gem.configuration.ssl_ca_cert

View on GitHub (pinned to 86cbb817a3)

Solutions

1. Reinstall/rebuild Ruby with OpenSSL support (preferred)
2. Or configure RubyGems to use non-HTTPS sources (not recommended)

When it happens

Trigger: Thrown at lib/rubygems/request.rb:54 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/c98d4a69df993485. Report an issue: GitHub.