Ali

`browser_param.extension_enabled = False` will fix the issue temporarily. (normally setting that to False will raise an error so some other modifications are needed) edited: of course, this would disable the...

Yes, there is no DB related command in the costum_command.py, but I thought maybe the process of recording in the database is going on in another thread or process and...

This issue would happen also with non-modified GetCommand, I used this scenario as the MWE so you can reproduce it. Not just for the webdriver-related command in LinkCountingCommand, this would...

Disabling openwpm.xpi will fix this issue; since openwpm.xpi is responsible for communication between DB and browser instances, I suggest looking into those parts of the project to find the problem,...

I already did; yes it will hang!

Yes, it should have. `Executing took 0.156 seconds ` This log might be kinda related to the problem.

Just guessing, because this log would be prompted several times (between 1 till 10, it varies time to time) exactly before the timeout log.

@vringar It doesn't need to disable the whole openwpm.xpi; just disabling js_instrument (and accordingly callstack_instrument [#557 ](https://github.com/mozilla/OpenWPM/issues/557) ) will fix the problem. It is clear there is a huge amount...

I disabled each of the instruments one by one and it just worked when I did it for js_instrument.