ConnectionAbortedError: [WinError 10053] An established connection was aborted by the software in your host machine

by

This error message…

ConnectionAbortedError: [WinError 10053] An established connection was aborted by the software in your host machine

…implies that the initialization of a new WebBrowsing Session i.e. Firefox Browser session was aborted.

An established connection was aborted by the software in your host machine

As per your code attempt the error is clearly coming out create_webdriver_instance() function which contains:

try:
    ua_string = random.choice(ua_strings)
    profile = webdriver.FirefoxProfile()
    profile.set_preference('general.useragent.override', ua_string)
    return webdriver.Firefox(profile)

And:

except IndexError as error:
    print('\nSection: Function to Create Instances of WebDriver\nCulprit: random.choice(ua_strings)\nIndexError: {}\n'.format(error))
    return webdriver.Firefox()

So it is not exactly clear from which function you are facing this issue among return webdriver.Firefox(profile) or webdriver.Firefox().

Perhaps a closer look at the logs within codepen suggests the error is coming out from webdriver.Firefox(profile).

Reasons

There can be multiple reason behind this error:

  • Presence of anti-virus softwares.
  • Firewall blocking the ports.
  • Network Configuration.
  • Problem can be caused by CORS.
  • Due to enabling of HTTP keep-alive connections

Solution

The initial step would be find out if any software is blocking the connection to/from the server in your computer. Apart from that the probable solutions are:

  • Disable anti-virus softwares.
  • Disable firewall.

  • Ensure that /etc/hosts on your system contains the following entry:

    127.0.0.1   localhost.localdomain localhost

  • As per Connection was aborted by the software in your host machine you need to allow localhost routes like http://localhost:8080/reactive-commands

  • As per Keep-Alive connection to geckodriver 0.21.0 dropped after 5s of inactivity without re-connection using Selenium Python client

    • AutomatedTester: This issue is not because we are not connected at the time of doing a request. If that was the issue we would be getting a httplib.HTTPConnection exception being thrown. Instead a BadStatusLine is thrown when we do a connection and close it and try parse the response. Now this could be the python stdlib bug, httplib bug or selenium bug. A Python client to replace urllib with something else that does not exhibit the same defect with Keep-Alive connections is WIP.

    • andreastt: The geckodriver team is working on extending the server-side timeout value to something more reasonable. As I said, this would help mitigate this issue but not fundamentally fix it. In any case it is true that five seconds is probably too low to get real benefit from persistent HTTP connections, and that increasing it to something like 60 seconds would have greater performance.

Conclusion

Selenium 3.14.0 has just been released. If you are affected by this issue please upgrade accordingly.

References:

More Related Contents:

  1. how to scrape web page that is not written directly using HTML, but is auto-generated using JavaScript? [closed]
  2. How to make Firefox headless programmatically in Selenium with Python?
  3. Python : no module named selenium
  4. Of the many findElement(s)/By functions in Selenium, when would you use one over the other?
  5. How to deal with certificates using Selenium?
  6. Scrolling to element using webdriver?
  7. Python 3.5 – “Geckodriver executable needs to be in PATH”
  8. How do you fix the “element not interactable” exception?
  9. in selenium web driver how to choose the correct iframe
  10. selenium.common.exceptions.SessionNotCreatedException: Message: Unable to find a matching set of capabilities with Firefox 46 through Selenium
  11. Expected browser binary location, but unable to find binary in default location, no ‘moz:firefoxOptions.binary’ capability provided using GeckoDriver
  12. selenium.common.exceptions.WebDriverException: Message: ‘geckodriver’ executable needs to be in PATH with GeckoDriver Selenium Firefox
  13. SyntaxError: Failed to execute ‘evaluate’ on ‘Document’: The string ‘//img[contains(‘1236548597′)]’ is not a valid XPath expression
  14. OSError: [Errno 8] Exec format error with GeckoDriver and Selenium on MacOS
  15. IOError: [Errno 13] Permission denied: ‘geckodriver.log when running Python/Selenium
  16. selenium.common.exceptions.SessionNotCreatedException: Message: Unable to find a matching set of capabilities with GeckoDriver, Selenium and Firefox
  17. How to fix python-selenium error “connection refused” when initializing a selenium webdriver?
  18. Handle notifications in Python + Selenium Chrome WebDriver
  19. Python Windows Authentication username and password is not working
  20. Get HTML source of WebElement in Selenium WebDriver using Python
  21. Selenium waitForElement
  22. What is the fastest way to open urls in new tabs via Selenium – Python?
  23. Python: find_element_by_css_selector
  24. WebDriverException: Message: Service /content/chromedriver unexpectedly exited. Status code was: -6 with ChromeDriver Google Colab and Selenium
  25. TypeError: ‘module’ object is not callable error with driver=webdriver(“C:\\Python34\\Lib\\site-packages\\selenium\\webdriver\\chromedriver.exe”)
  26. How to execute tests with selenium webdriver while browser is minimized
  27. selenium webdriver upload file
  28. Browser performance tests through selenium
  29. How to click on Load More button within Google Trends and print all the titles through Selenium and Python
  30. Can’t use chrome driver for Selenium

Leave a Comment