puppetlabs/puppet · error · ArgumentError

No title provided and %{type} is not a valid resource refere

Error message

No title provided and %{type} is not a valid resource reference

What it means

Error "No title provided and %{type} is not a valid resource reference" thrown in puppetlabs/puppet.

Source

Thrown at lib/puppet/resource.rb:597

  # @api private
  def self.type_and_title(type, title)
    type, title = extract_type_and_title(type, title)
    type = munge_type_name(type)
    if type == TYPE_CLASS
      title = title == '' ? :main : munge_type_name(title)
    end
    [type, title]
  end

  def self.extract_type_and_title(argtype, argtitle)
    if (argtype.nil? || argtype == :component || argtype == :whit) &&
       argtitle =~ /^([^\[\]]+)\[(.+)\]$/m                  then [::Regexp.last_match(1), ::Regexp.last_match(2)]
    elsif argtitle.nil? && argtype.is_a?(String) &&
          argtype =~ /^([^\[\]]+)\[(.+)\]$/m                   then [::Regexp.last_match(1), ::Regexp.last_match(2)]
    elsif argtitle                                             then [argtype,            argtitle]
    elsif argtype.is_a?(Puppet::Type)                          then [argtype.class.name, argtype.title]
    else  raise ArgumentError, _("No title provided and %{type} is not a valid resource reference") % { type: argtype.inspect } # rubocop:disable Lint/ElseLayout
    end
  end
  private_class_method :extract_type_and_title

  def self.munge_type_name(value)
    return :main if value == :main
    return TYPE_CLASS if value == '' || value.nil? || value.to_s.casecmp('component') == 0

    Puppet::Pops::Types::TypeFormatter.singleton.capitalize_segments(value.to_s)
  end
  private_class_method :munge_type_name

  private

  # Produce a canonical method name.
  def parameter_name(param)
    param = param.to_s.downcase.to_sym
    if param == :name and namevar

View on GitHub (pinned to e227c27540)

When it happens

Trigger: Thrown at lib/puppet/resource.rb:597 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of puppetlabs/puppet@e227c27540 (2026-08-21). Data as JSON: /api/errors/881c21ac103149d8. Report an issue: GitHub.