Webdriver Exception:Process unexpectedly closed with status: 1

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This error can come up when you are trying to run the browser in non-headless mode on a box that doesn’t have a display (like an Ubuntu server).

You can check if that’s the cause of your Process unexpectedly closed with status: 1 error by looking at the geckodriver.log file that is usually left in your working directory after you run your script, it should have a line like:

Error: GDK_BACKEND does not match available displays

If you see that line in the geckodriver.log then you’ll need to switch your script to run Firefox in headless mode:

from selenium import webdriver
from selenium.webdriver import FirefoxOptions

opts = FirefoxOptions()
opts.add_argument("--headless")
browser = webdriver.Firefox(options=opts)

browser.get('http://example.com')

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