# File lib/bundler/definition.rb, line 207
    def missing_specs?
      missing = missing_specs
      return false if missing.empty?
      Bundler.ui.debug "The definition is missing #{missing.map(&:full_name)}"
      true
    rescue BundlerError => e
      @index = nil
      @resolve = nil
      @specs = nil
      @gem_version_promoter = nil

      Bundler.ui.debug "The definition is missing dependencies, failed to resolve & materialize locally (#{e})"
      true
    end