Selenium crashing with selenium.common.exceptions.WebDriverException: Message: newSession

Question

OS: Ubuntu 16.04.3 LTS (GNU/Linux 4.4.0-1066-aws x86_64)

Selenium Version: selenium==3.6.0

Browser: Mozilla Firefox 63.0

Geckodriver version : geckodr

Answer 1

Thanks @skyfail. Your answer helped me. The following sequence was performed and resolved the issue.

1. To upgrade selenium run: sudo pip3 install selenium --upgrade

2. To upgrade geckodriver follow steps 1-3 from this

3. sudo mv geckodriver /usr/local/bin/geckodriver , /usr/local/bin is usually in your PATH so no need to edit it.