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QJsonDocument not loading fromJson

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Hi, I have read the other posts on here regarding problems with Qt5 and QJsonDocument but I am having a problems with it and none of the posts seem to help. Its not loading any content form the fromJson static method. No errors are reported QParseError. Here is the code I have: QFile file;  file.setFileName("c:\\jsondata\\data.txt");  file.open(QIODevice::ReadOnly | QIODevice::Text);  QString val = QString::fromUtf8(file.readAll());    QJsonParseError parseErr;    QJsonDocument jsonDoc = QJsonDocument::fromJson(val.toUtf8(),&parseErr);  file.close();    QJsonObject jsonObject = jsonDoc.object();  QJsonArray jsonArray = jsonObject["server"].toArray(); But jsonDoc is always null. Any ideas why that might be, Hope someone can help me and I havent done something really stupid. Many Thanks Dave

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