Var driver = new webdriver.Builder().withCapabilities(capabilities).build()

Javascript: var capabilities = Capabilities.firefox() Ruby: driver = Selenium::WebDriver.for :firefox, marionette: true

Python: firefox_capabilities = DesiredCapabilities.FIREFOXįirefox_capabilities = Trueĭriver = webdriver.Firefox(capabilities=firefox_capabilities) See: Marionette Webdriver for Firefoxĭownload the driver (in OSX just use brew install geckodriver), rename the executable to wires.exe on windows, or wires on *nix systems, and make sure the executable is present in your system path, then use this driver in your program instead of the old driver by using the following: As of Firefox version 48.0 the old driver will be deprecated completely and only Marionette can be used so it is better to switch now. If you specified a log_file in the FirefoxBinary constructor, check it for details.Īs of Firefox version 47.0 (which came out a little while a go), a new driver must be used (created by mozilla instead of selenium) to connect to Firefox, because of a bug introduces in this version. : Message: The browser appears to have exited before we could connect. Raise WebDriverException('The browser appears to have exited ' Self._wait_until_connectable(timeout=timeout)įile '/usr/local/lib/python3.5/dist-packages/selenium/webdriver/firefox/firefox_binary.py', line 98, in _wait_until_connectable _browser(self.profile, timeout=timeout)įile '/usr/local/lib/python3.5/dist-packages/selenium/webdriver/firefox/firefox_binary.py', line 68, in launch_browser I get the following error after Firefox update (before this, it all worked): Traceback (most recent call last):įile '/usr/local/lib/python3.5/dist-packages/selenium/webdriver/firefox/webdriver.py', line 81, in _init_įile '/usr/local/lib/python3.5/dist-packages/selenium/webdriver/firefox/extension_connection.py', line 51, in _init_ I use Selenium WebDriver on Ubuntu Desktop 16.04, and I can't open browser.

Firefox 45.0 osx