puppetlabs/puppet · error · ArgumentError

Attempt to redefine entity '%{name}'. %{origin_info}

Error message

Attempt to redefine entity '%{name}'. %{origin_info}

What it means

Error "Attempt to redefine entity '%{name}'. %{origin_info}" thrown in puppetlabs/puppet.

Source

Thrown at lib/puppet/pops/loader/base_loader.rb:136

    synchronize do
      typed_name = named_entry.typed_name
      entry = @named_values[typed_name]
      if entry then fail_redefine(entry); end
      @named_values[typed_name] = named_entry
    end
  end

  protected

  def allow_shadowing?
    false
  end

  private

  def fail_redefine(entry)
    origin_info = entry.origin ? _("Originally set %{original}.") % { original: origin_label(entry.origin) } : _("Set at unknown location")
    raise ArgumentError, _("Attempt to redefine entity '%{name}'. %{origin_info}") % { name: entry.typed_name, origin_info: origin_info }
  end

  # TODO: Should not really be here?? - TODO: A Label provider ? semantics for the URI?
  #
  def origin_label(origin)
    if origin && origin.is_a?(URI)
      format_uri(origin)
    elsif origin.respond_to?(:uri)
      format_uri(origin.uri)
    else
      origin
    end
  end

  def format_uri(uri)
    (uri.scheme == 'puppet' ? 'by ' : 'at ') + uri.to_s.sub(/^puppet:/, '')
  end

View on GitHub (pinned to e227c27540)

When it happens

Trigger: Thrown at lib/puppet/pops/loader/base_loader.rb:136 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/3a770853fa974377. Report an issue: GitHub.