QT Get request parsing JSON

c++, qt

Solution

The server tells you that your request is missing an argument. Have a detailed look at the request and double-check it.

QUrl url("http://url.com/api.php?action=authenticate_user&email=" + email + "&password" + password);

Seems to me that the URL is wrong, shouldn't it say `"&password=" + ...` there?

Problem

I'm trying to make a `GET request` in order to authenticate a user. Here is my code to do that: ``` void MainWindow::on_loginButton_clicked() { QString email = "test"; QString password = "test"; nam = new QNetworkAccessManager(this); QObject::connect(nam, SIGNAL(finished(QNetworkReply*)), this, SLOT(serviceRequestFinished(QNetworkReply*))); QUrl url("http://url.com/api.php?action=authenticate_user&email=" + email + "&password" + password); QNetworkReply* reply = nam->get(QNetworkRequest(url)); } void MainWindow::serviceRequestFinished(QNetworkReply* reply) { if(reply->error() == QNetworkReply::NoError) { QStringList propertyNames; QStringList propertyKeys; QString strReply = (QString)reply->readAll(); qDebug() << strReply; QJsonDocument jsonResponse = QJsonDocument::fromJson(strReply.toUtf8()); QJsonObject jsonObject = jsonResponse.object(); QJsonArray jsonArray = jsonObject["status"].toArray(); qDebug() << jsonObject["status"].toString(); foreach (const QJsonValue & value, jsonArray) { QJsonObject obj = value.toObject(); qDebug() << value.toString(); } } else { qDebug() << "ERROR"; } delete reply; } ``` But for some reason `qDebug() << strReply;` just outputs: ``` ""Missing argument"" ```

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