Cannot Start The Driver Service On Http Localhost Selenium Firefox C Here

from selenium.webdriver.firefox.service import Service service = Service(executable_path='geckodriver.exe', service_args=['--log', 'debug']) service.start() # Manual start with longer timeout

sudo apt-get install xvfb xvfb-run python your_selenium_script.py Or, use PyVirtualDisplay in Python: from selenium

from selenium.webdriver.firefox.service import Service service = Service(executable_path='path/to/geckodriver', port=7055) # Classic Selenium port driver = webdriver.Firefox(service=service) from selenium

For Java:

The error occurs only in CI/CD (Jenkins, GitLab CI) but works on your local desktop. from selenium

Using port=7055 often resolves conflicts because it's a reserved port for WebDriver. On Windows, SmartScreen or Windows Defender may quarantine or silently block geckodriver.exe because it opens a network port (behavior associated with malware).