QSslSocket: cannot resolve TLSv1_1_client

Hello!

Why I receive this messages? Is it bad?

Quote:

QSslSocket: cannot resolve TLSv1_1_client_method
QSslSocket: cannot resolve TLSv1_2_client_method
QSslSocket: cannot resolve TLSv1_1_server_method
QSslSocket: cannot resolve TLSv1_2_server_method
QSslSocket: cannot resolve SSL_select_next_proto
QSslSocket: cannot resolve SSL_CTX_set_next_proto_select_cb
QSslSocket: cannot resolve SSL_get0_next_proto_negotiated
QSslSocket: cannot call unresolved function SSL_get0_next_proto_negotiated

Downloader.h

Code:

#ifndef DOWNLOADER_H
#define DOWNLOADER_H
 
#include <memory>
 
#include <QObject>
#include <QString>
#include <QNetworkReply>
#include <QNetworkRequest>
#include <QNetWorkAccessManager>
 
class Downloader : public QObject
{
    Q_OBJECT
 
public:
 
    void fetch( const QString &url )
    {
        m_reply.reset(m_manager->get( QNetworkRequest( QUrl( url ) ) ) );
        connect( m_reply.get( ), SIGNAL( finished( ) ),
                 this, SLOT( replyFinished( ) ) );
        connect( m_reply.get( ), SIGNAL( downloadProgress( qint64, qint64 ) ),
                 this, SLOT( slotDownloadProgress(qint64, qint64 ) ) );
    }
 
signals:
    void signalWithContent( QString * );
    void downloadProgress(qint64 bytesReceived, qint64 bytesTotal);
 
private slots:
    void replyFinished( )
    {
        QByteArray data = m_reply->readAll( );
        QString content( data );
        emit signalWithContent( &content );
    }
 
    void slotDownloadProgress( qint64 bytesReceived, qint64 bytesTotal )
    {
        emit downloadProgress( bytesReceived, bytesTotal );
    }
 
private:
    std::shared_ptr<QNetworkAccessManager> m_manager =
            std::make_shared<QNetworkAccessManager>( this );
 
    std::shared_ptr<QNetworkReply> m_reply;
};
 
#endif // DOWNLOADER_H