puppetlabs/puppet · error · Puppet::ParseError

Boolean parameter must be true or false

Error message

Boolean parameter must be true or false

What it means

Error "Boolean parameter must be true or false" thrown in puppetlabs/puppet.

Source

Thrown at lib/puppet/pops/types/type_parser.rb:488

    when 'callable'
      # 1..m parameters being types (last three optionally integer or literal default, and a callable)
      if parameters.size > 1 && parameters[0].is_a?(Array)
        raise_invalid_parameters_error('callable', '2 when first parameter is an array', parameters.size) unless parameters.size == 2
      end
      TypeFactory.callable(*parameters)

    when 'struct'
      # 1..m parameters being types (last two optionally integer or literal default
      raise_invalid_parameters_error('Struct', '1', parameters.size) unless parameters.size == 1
      h = parameters[0]
      raise_invalid_type_specification_error(ast) unless h.is_a?(Hash)
      TypeFactory.struct(h)

    when 'boolean'
      raise_invalid_parameters_error('Boolean', '1', parameters.size) unless parameters.size == 1
      p = parameters[0]
      raise Puppet::ParseError, 'Boolean parameter must be true or false' unless p == true || p == false

      TypeFactory.boolean(p)

    when 'integer'
      if parameters.size == 1
        case parameters[0]
        when Integer
          TypeFactory.range(parameters[0], :default)
        when :default
          TypeFactory.integer # unbound
        end
      elsif parameters.size != 2
        raise_invalid_parameters_error('Integer', '1 or 2', parameters.size)
      else
        TypeFactory.range(parameters[0] == :default ? nil : parameters[0], parameters[1] == :default ? nil : parameters[1])
      end

    when 'object'

View on GitHub (pinned to e227c27540)

When it happens

Trigger: Thrown at lib/puppet/pops/types/type_parser.rb:488 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/716c24c92dc5431b. Report an issue: GitHub.