[Development] QtService and ActiveQt combination

Fricot, Daniel daniel.fricot at barco.com
Tue May 20 13:56:23 CEST 2014


I managed to get the ActiveX out-of-process server (ActiveQt) running as a service but as soon as I want to actually get a COM object in my application, a new server is started next to the one running as a service.

Assuming ActiveQt and QtService don't play nice together, I tried a different approach: Create a QtService that gets a COM object and thus starts the ActiveX out-of-process server. This has the same effect: When I create a COM object in my application, a second server is started, serving my application(s). As if the servers started directly or indirectly through QtService don't exist. Changing the service to run with the credentials of a user doesn't change anything.

I compared Process Explorer's details on both servers (the one created (in)directly by a service and the one that was created when running my application) and there is no difference between them.

Why isn't my application served by an ActiveX/ActiveQt server that is directly or indirectly started by a windows service (QtService)?

Extra info: the whole idea is to have the server running as soon as possible after boot to build a cache with data that is occasionally sent on the networks.


From: Fricot, Daniel
Sent: dinsdag 13 mei 2014 14:48
To: 'development at qt-project.org'
Subject: QtService and ActiveQt combination

Hi,
I can create a QtService (from qt-solutions) or I can create an ActiveQt server. However, I am unable to combine them together as an ActiveQt server, running as a Windows service.
(Un)install the service, (un)register the ActiveX components and run as console application all works but starting it as a service fails. All I get is "The service X could not start".
Does anybody know if this is even possible? All help is welcome.
Thanks,
Daniel
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