1491806 - When taking a new screenshot: iframe url doesn't match expected blank.html

Status: RESOLVED INCOMPLETE

(Firefox :: Screenshots, defect)

Description

[gk]

Attachment: screenshot-bug.PNG

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:62.0) Gecko/20100101 Firefox/62.0
Build ID: 20180830143136

Steps to reproduce:

Take a screenshot of this page: https://www.aljazeera.com/news/2018/07/imran-khan-speech-full-180726124850706.html

Issue repeated also as i try to take screenshots of other pages.


Actual results:

I get a message dialog saying: 
"Whoa! Firefox Screenshots went haywire!
iframe url doesn't match expected blank.html" 


Expected results:

Screenshot taken

Comment 1

[Peter Magyari (Desktop QA)]

I was able to reproduce this issue on Windows 10, Mac OS 10.12 and Ubuntu 16.04 using Firefox 62.0 (20180830143136) / Firefox Beta 63.0b7 (20180917143811) / Firefox Nightly 64.0a1(20180919220108).

Thank you for reporting!

Comment 2

[Wil Clouser [:clouserw]]

Two of us were unable to reproduce this in our triage, but one of us could on Windows.  It sounds like it may be a race condition.  Our error tracking says it's happening about ~20 times per day across all users.

Other theory:  This might be caused by a poorly written ad.  People with adblockers aren't seeing the problem.

Screenshots tracks non-Firefox issues in Github and I've filed this at https://github.com/mozilla-services/screenshots/issues/4924 and will close this.  Thanks for bringing it to our attention.