Unable to find a matching set of capabilities

[guilhermesff]

Hi there,

I tried and the script failed.

[root@shell selenium-capturetraffic]# python3.6 capture_example.py
Traceback (most recent call last):
File "capture_example.py", line 15, in
sniffer = CaptureTraffic()
File "/root/xpto/selenium-capturetraffic/capturetraffic.py", line 38, in init
self.start_session()
File "/root/xpto/selenium-capturetraffic/capturetraffic.py", line 79, in start_session
self.start_driver()
File "/root/xpto/selenium-capturetraffic/capturetraffic.py", line 69, in start_driver
self.driver = webdriver.Firefox(options=options, firefox_profile=profile, executable_path='utils/geckodriver')
File "/usr/lib/python3.6/site-packages/selenium/webdriver/firefox/webdriver.py", line 167, in init
keep_alive=True)
File "/usr/lib/python3.6/site-packages/selenium/webdriver/remote/webdriver.py", line 156, in init
self.start_session(capabilities, browser_profile)
File "/usr/lib/python3.6/site-packages/selenium/webdriver/remote/webdriver.py", line 251, in start_session
response = self.execute(Command.NEW_SESSION, parameters)
File "/usr/lib/python3.6/site-packages/selenium/webdriver/remote/webdriver.py", line 320, in execute
self.error_handler.check_response(response)
File "/usr/lib/python3.6/site-packages/selenium/webdriver/remote/errorhandler.py", line 242, in check_response
raise exception_class(message, screen, stacktrace)
selenium.common.exceptions.SessionNotCreatedException: Message: Unable to find a matching set of capabilities

[root@shell selenium-capturetraffic]

Thanks