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Thread: Sencha Studio(Test): Event Recorder, opaque overlay Chrome

    You found a bug! We've classified it as ORION-1449 . We encourage you to continue the discussion and to find an acceptable workaround while we work on a permanent fix.
  1. #1

    Default Sencha Studio(Test): Event Recorder, opaque overlay Chrome

    System: HP ENVY Notebook (W0Q62AV)
    OS: Ubuntu 16.04 LTS
    Product: Sencha Test 2
    Version: (from SenchaTest-2.0.0-linux-x64-no-jre/stc-2.0.0-linux-x64/version) v1.4.4

    - When starting the recorder using Chrome (Version 56.0.2924.87 (64-bit) ), a new chrome window opens, but a white overlay with a red border obscures the chrome window.
    - As move the chrome window around the desktop, the overlay follows with some lag. I can see clearly under the overlay the url I wanted to to test.
    - I can glitch the window to another monitor (dual monitor setup), leaving the overlay on the other monitor. I can click elements on the page but those clicks are no longer recorded by the sencha test recorder.
    - I'm guessing that in this build of sencha test for Linux, the overlay (which captures clicks for the recorder) was left white/opaque during development and a developer forgot to remove the opacity.

    Thanks for the help. I'd be happy to follow up if anyone has any questions.

    Screenshots included below

    Screenshot from 2017-02-06 11-09-33.pngScreenshot from 2017-02-06 11-11-08 (gliched overlay off of the window).jpg

  2. #2
    Sencha - Test Dev Team
    Join Date
    Nov 2011
    Boca Raton, FL


    Thanks for the report! I have opened a bug in our bug tracker.

  3. #3
    Sencha Premium Member
    Join Date
    Oct 2013


    I don' t think this is Linux specific, I'm experiencing the same issue on Windows 7

  4. #4


    We have seen some version of Windows and also Windows in a VM have the same issue. It is primarily a problem with video hardware and there may not be a workaround or even a fix. The limitation is present in Electron which our Event Recorder uses. Please see this bug in the electron stack for any possible workarounds or tips.

  5. #5
    Sencha User
    Join Date
    May 2017


    Hi! I have the same issue on my comp (Ubuntu 16.04) and notebook (ubuntu 14.04). I'm a lucky guy?
    I've readed the bug topic of Electron, you've provided before. I've found 2 posible solutions there:
    1. Lunch browser with following params --enable-transparent-visuals --disable-gpu. Is it posible? And how can I do it?
    2. Down grade Electron to 1.4.14. Which version Sencha Tests uses? Is it posible to get/download package this 1.4.14 version of Electron?

  6. #6
    Sencha Premium User
    Join Date
    Feb 2012
    Niel, Belgium


    +1 also ubuntu user

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