Selenium Firefox webdriver results in error: Service geckodriver unexpectedly exited. Status code was: 2

Running python selenium tests in latest Firefox browser (Version 47 above)

“Marionette" or "Gecko Driver” is the future version of firefox driver. Firefox 47+ is not compatible with the driver used in Selenium 2.53, and Selenium 3+ will be using a new driver called "Marionette" or "Gecko Driver" (which isn't officially released yet).

Prerequisites:

• Mozilla firefox : Version 50.0.2(Version 47 above)

• Selenium : Version 3.0.2

• Geckodriver : Version 0.11.1

• Python : Version 2.7.3

Setup:

• Selenium : pip install –U selenium

• Geckodriver : Download the geckodriver from https://github.com/mozilla/geckodriver/releases , unzip the file and place it in a folder

• Set the ‘Path’ environment variable with geckodriver path

Sample script:

from selenium import webdriverfrom selenium.webdriver.firefox.firefox_binary import FirefoxBinaryfrom selenium.webdriver.common.desired_capabilities import DesiredCapabilities

#Provide the Firefox binary path

binary = FirefoxBinary(r'C:\Program Files (x86)\Mozilla Firefox\firefox.exe’)caps = DesiredCapabilities.FIREFOX.copy()

#Set ‘marionette’ browser to True

caps['marionette'] = True

#Launch the Firefox instance by specifying the geckodriver executable path

driver = webdriver.Firefox(firefox_binary=binary,capabilities=caps, executable_path`='D:/Installers/geckodriver-v0.11.1-win64/geckodriver')

You are done ...!

I fixed this, I deleted the egg that was installed and reinstalled selenium, it works perfectly now.

I had this problem on MacOS Big Sur and it's a security issue. To resolve it, go to your system preferences -> Security & Privacy and at the bottom it will complain about geckodriver. You need to click "Allow Anyway."