When running Selenium on a (Linux without a GUI, or Docker container), GeckoDriver attempts to create a graphical display. If it fails, the entire service crashes with the localhost error.
service = Service(executable_path=r'C:\WebDrivers\geckodriver.exe') driver = webdriver.Firefox(service=service) When running Selenium on a (Linux without a
Cannot start the driver service on http://localhost #372 - GitHub or Docker container)
from selenium.webdriver.firefox.service import Service When running Selenium on a (Linux without a
The error in Selenium C# typically occurs when the geckodriver executable fails to initialize or the Selenium client cannot communicate with it on the local loopback address. This is often due to environment configuration, network restrictions, or resource bottlenecks. Common Causes & Fixes Network and Proxy Issues :