from selenium.webdriver.firefox.service import Service service = Service(executable_path='geckodriver.exe', service_args=['--log', 'debug']) service.start() # Manual start with longer timeout
This error is Selenium’s way of saying: “I tried to launch Firefox, but the bridge (GeckoDriver) connecting me to the browser collapsed before the connection could be established.” from selenium
On Linux, install xvfb (X Virtual Framebuffer): from selenium
firefox --version If this fails, Firefox cannot be found in your PATH . from selenium