After the
engine.load(QUrl(QLatin1String("qrc:/main.qml")));
call, if there is a parsing error, the engine is empty. The eventloop will
continue to run. Therefore, it should check before starting the event loop.
if (engine.rootObjects().size() > 0)
return app.exec();
return 255;
This will help both in Creator from having many processes running that are
filling up the App output tab, as well as any scripts that expect a process to
be usable, but have failed to load.
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