puppetlabs/puppet · error · Puppet::Error

Duplicate device found at %{file_error_location}, already fo

Error message

Duplicate device found at %{file_error_location}, already found at %{device_error_location}

What it means

Error "Duplicate device found at %{file_error_location}, already found at %{device_error_location}" thrown in puppetlabs/puppet.

Source

Thrown at lib/puppet/util/network_device/config.rb:59

      devices = {}
      device = nil
      File.open(@file) do |f|
        file_line_count = 1
        f.each do |line|
          case line
          when /^\s*#/ # skip comments
            file_line_count += 1
            next
          when /^\s*$/ # skip blank lines
            file_line_count += 1
            next
          when /^\[([\w.-]+)\]\s*$/ # [device.fqdn]
            name = ::Regexp.last_match(1)
            name.chomp!
            if devices.include?(name)
              file_error_location = Puppet::Util::Errors.error_location(nil, file_line_count)
              device_error_location = Puppet::Util::Errors.error_location(nil, device.line)
              raise Puppet::Error, _("Duplicate device found at %{file_error_location}, already found at %{device_error_location}") %
                                   { file_error_location: file_error_location, device_error_location: device_error_location }
            end
            device = OpenStruct.new
            device.name = name
            device.line = file_line_count
            device.options = { :debug => false }
            Puppet.debug "found device: #{device.name} at #{device.line}"
            devices[name] = device
          when /^\s*(type|url|debug)(\s+(.+)\s*)*$/
            parse_directive(device, ::Regexp.last_match(1), ::Regexp.last_match(3), file_line_count)
          else
            error_location_str = Puppet::Util::Errors.error_location(nil, file_line_count)
            raise Puppet::Error, _("Invalid entry at %{error_location}: %{file_text}") %
                                 { error_location: error_location_str, file_text: line }
          end
        end
      end
    rescue Errno::EACCES

View on GitHub (pinned to e227c27540)

When it happens

Trigger: Thrown at lib/puppet/util/network_device/config.rb:59 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/e48b1d92a3bc0933. Report an issue: GitHub.