WebDriverException: Message: invalid argument: can't kill an exited process with GeckoDriver, Selenium and Python on RaspberryPi3

Question

Server: Raspberry Pi 3
OS: Dietpi - version 159
Geckodriver version: 0.22 for arm
Firefox version: 52.9.0
Python version: 3.5
Selenium version: 3.14.1 <

Answer 1

I was able to fix this by running my tests with Xvfb. I was running them on a remote server.

I was using Jenkins so I checked the box that looked like this:

Credit to https://www.obeythetestinggoat.com/book/chapter_CI.html