QNetworkAccessManager: UnknownNetworkError in Windows

[AxelVienna]

Hi,
the code listed below works well under Linux and produces an unknown network error under Windows.
I have installed the latest openssl on the Windows box.
Help is highly appreciated, thanks in advance.
Brgds
Axel

    const string url = "https://mySecretUrl.at/apikey";

    QNetworkAccessManager am;
    QNetworkRequest nr(QUrl(url.c_str()));
    nr.setRawHeader("apikey",userkey.c_str());
    QNetworkReply* r = am.get(nr);

    QEventLoop loop;
    QObject::connect(r, &QNetworkReply::finished, &loop, &QEventLoop::quit);
    loop.exec();
    resultBody = QString::fromUtf8(r->readAll()).toStdString();
    bool ret = (r->error()==QNetworkReply::NoError);
    auto error = r->error();
    delete r;

[jsulm]

@AxelVienna Please add error handling.Especially https://doc.qt.io/qt-5/qnetworkaccessmanager.html#sslErrors , https://doc.qt.io/qt-5/qnetworkreply.html#sslErrors and https://doc.qt.io/qt-5/qnetworkreply.html#errorOccurred
You probably don't have SSL libs (you're accessing a HTTPS URL).

[AxelVienna]

@jsulm: Thanks for pointing to this direction.
Installing OpenSSL from https://slproweb.com/download/Win64OpenSSL-1_1_1k.msi did the trick.
My problem was that I had installed the light install version which obviously has no headers included.
Issue solved.