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Re: [QF-Test] qftest-list Digest, Vol 147, Issue 2

  • Subject: Re: [QF-Test] qftest-list Digest, Vol 147, Issue 2
  • From: Julian Ahrens <jahrens@?.de>
  • Date: Fri, 4 Nov 2016 12:37:29 +0100 (CET)
  • Dkim-filter: OpenDKIM Filter v2.9.2 6841569C030F

regarding the issue with the black screenshots, we had a similar issue some
time ago. For months we had the problem that some of the screenshots in our
reports just showed a black picture while others were just fine.
After a long research we found out that the Windows Power Options of our
virtual (windows) machines, that the tests were executed on, happened to be
the problem. In this case the option "Turn off the display" was set to
something like 15 minutes. While the execution of the testcases is working
just fine even with a turned off display, only a black screen is recorded
when the screenshot is taken.

Maybe you have a similar issue and want to check these settings.

Best regards
Julian Ahrens


eos.uptrade GmbH | Schanzenstraße 70 | 20357 Hamburg
Telefon +49-40-808070-436 | Telefax +49-40-808070-100
E-Mail jahrens@?.de | Internet
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Technischer Support: E-Mail support@?.de | Telefon +49

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Von: qftest-list-bounces@?.de [mailto:qftest-list-bounces@?.de] Im
Auftrag von qftest-list-request@?.de
Gesendet: Freitag, 4. November 2016 12:00
An: qftest-list@?.de
Betreff: qftest-list Digest, Vol 147, Issue 2

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Today's Topics:

   1. Re: Run-Log Screenshot give out a black picture (Michael)


Message: 1
Date: Thu, 3 Nov 2016 13:00:12 +0100
From: Michael H?ber, QFS Support <support@?.de>
To: "=?iso-8859-1?Q?'Markus_S=F6hnel'?=" <markus.soehnel@?.com>,
Subject: Re: [QF-Test] Run-Log Screenshot give out a black picture
Message-ID: <001201d235c9$d55594e0$8000bea0$>
Content-Type: text/plain; charset="iso-8859-1"



Please have look at FAQ14:


"Create screenshot of the whole screen" takes a screenshot of the real
desktop containing all visible windows with all post processing effects like
antialiasing or cleartype. If not desktop is present, QF-Test cannot take
those screenshots.

"Create screenshot of individual windows" works well because QF-Test renders
the window into an offscreen buffer. In this case it does _not_ take a real
screenshot of the application window, thus those screenshots do _not_ look
like the real application, because all post processing effects are missing.


However, it is not recommended to run GUI tests in a locked user session or
in the service session, like described in FAQ14.


Best regards,






Get the most out of QF-Test - Support directly from the authors   

* Training & consulting:  <>   

* Phone & email support:  <>   



Michael H?ber   

Development & Support   


E:  <mailto:support@?.de> support@?.de   

T: +49 8171 38648-20      

F: +49 8171 38648-16   


Quality First Software GmbH |  <>   

Tulpenstr. 41 | 82538 Geretsried | Germany   

GF Gregor Schmid, Dr. Martina Schmid, Karlheinz Kellerer

HRB M?nchen 140833   


From: qftest-list-bounces@?.de [mailto:qftest-list-bounces@?.de] On
Behalf Of Markus S?hnel
Sent: Thursday, November 3, 2016 9:31 AM
To: qftest-list@?.de
Subject: [QF-Test] Run-Log Screenshot give out a black picture


Hello everybody,

i have a simple question about the Run-logs of qftest.

I checked the option "Create screenshot of the whole screen" but i get only
a black picture. The option "Create screenshot of individual windows" works
very well. What can i do? Can i configurate this option anywhere?


Remark: We have include qftest into a Jenkins job with an Ant-Build.

This is a snippet of code:


<exec executable="${qftest}" failonerror="true" resultproperty="returncode">
<arg value="-batch" /> <arg value="-compact" /> <arg value="-runlog" /> <arg
value="${logdir}\+b" />


Best regards



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