Eternal freeze when calling Close Browser keyword on robotframework-browser

[Reinaard]

Describe the bug
When calling keyword Close Browser in the teardown, the test freezes and can only be stopped by killing the entire robot run.

To Reproduce
Steps to reproduce the behavior:

1. Run a simple robot framework

• Open Browser (executablePath=C:/Program Files/Windows/edge.exe)
• Go To https://etc.com
• Close Browser

Expected behavior
Close Browser keyword is passed

Desktop (please complete the following information):

• OS: Windows 11
• Browser Edge 134.0.3124.66 (64 bit)
• Tested on robotframework-browser 19.3.1 and 19.4.0
• nodejs 22.14.0
• npm 10.9.1

Additional context
Robot Framework terminal error:
[ ERROR ] Calling method '_end_suite' of listener 'Browser' failed: ConnectionError: Playwright process has been terminated with code 3221225786

Tested with robotframework-browser==19.1.2 and the same test works like a charm!

[aaltat]

@allcontributors please add @Reinaard for bugs

[allcontributors]

@aaltat

I've put up a pull request to add @Reinaard! 🎉

[aaltat]

Could you enable the enable_playwright_debug from the library import and show us the relevant parts of the playwright_log.txt file?

[Reinaard]

@aaltat, I set enable_playwright_debug=True in the import and the last thing in the playwright-log.txt is: 2025-03-27T10:04:40.517Z pw:api => browser.close started.
I waited 10 minutes and then killed robotframework using ctrl + c. Nothing new was added in the playwright-log.txt after that...

[aaltat]

Hmmm, it hangs from when PW tries to close the browser. Interesting.

Did I get it correctly that it does not work with 19.3.1 and 19.4.0, but work with 19.1.2? Would it be possible you to try with 19.2.0 because I do not have Windows OS at hand at the moment.

[Reinaard]

@aaltat, I tested it in 19.2.0 and result is the same as 19.4.0!
Btw, when I run in with headless=false, I see that it does close the browser window! It just thinks it didn't for some reason...