[Qt-interest] Hidden exception occuring in 4.7.2 "The interfaceis unknown"

[Tony Rietwyk]

> Sent: Tuesday, 31 May 2011 15:49 PM
> 
> On Tuesday 31 May 2011, Tony Rietwyk wrote:
> > The code continues to run without error, and luckily the 
> debugger does
> > not stop.  The message appears when first using 
> QNetworkAccessManager,
> > or loading the help files, whichever comes first.  I searched the Qt
> > bugs for "The interface is unknown", but there were no matches.
> > 
> > I'm just curious why it appears!
> 
> Just to make sure: did you do a complete recompile of your code?
> 
> While Qt is fine with running a program that was completely 
> compiled for an 
> older version having a mixed compile is sometimes a problem.
> 
> 	Konrad

Yes - I have fully recompiled. 

Stepping through, QNetworkConfigurationManagerPrivate::updateConfigurations
loops over the QBearerEnginePlugins and creates the plugins around line 360.
The exception occurs when it creates the 'nativewifi' plugin.  My Dell
laptop uses Intel wifi.  

Regards, 

Tony.