require 'selenium-webdriver'
require 'rspec/expectations'
require 'headless'
require 'nokogiri'
puts "start headless..."
headless = Headless.new
headless.start
puts "start selenium..."
driver = Selenium::WebDriver.for :firefox
我运行此代码,但此代码无效。
stack backtrace:: address not available(Selenium::WebDriver::Error::UnknownError)
我使用firefox58,selenium-webdriver 3.9.0
运行此代码问题是什么?