Why Am I Getting \"WebDriverException: Invalid Argument: Can\'t Kill an Exited Process\" With GeckoDriver on Raspberry Pi 3?

WebDriverException: Invalid Argument: Can't Kill an Exited Process with GeckoDriver, Selenium, and Python on Raspberry Pi 3

Context:

Users running Firefox on a Raspberry Pi 3 with Dietpi and using Geckodriver for testing may encounter the following error:

selenium.common.exceptions.WebDriverException: Message: invalid argument: can't kill an exited process

Solution:

To troubleshoot this error, follow these steps:

1. Enable Headless Mode:

If Firefox is running on a system without a display, enable headless mode in your code:

from selenium import webdriver
from selenium.webdriver.firefox.options import Options

options = Options()
options.headless = True
driver = webdriver.Firefox(options=options)

2. Check Compatibility:

Ensure you have compatible versions of Firefox, Selenium, and Geckodriver. Refer to Mozilla's documentation for supported versions:

https://firefox-source-docs.mozilla.org/testing/geckodriver/Support.html

Additional Tips:

• Ensure that Geckodriver is executable and located in the path specified by the GeckoDriverPath variable.
• Restart your browser and web server if necessary.
• Update Selenium and Geckodriver to the latest versions.
• Consult the Selenium and Geckodriver documentation for further troubleshooting assistance.

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