QIODevice::read (QTcpSocket, "QFtpDTP Passive state socket"): device not open

[changtj]

download
https://code.qt.io/cgit/qt/qtftp.git/

    file = Q_NULLPTR;
    QString  localFileName = this->localDir + fileName;
//![3]
//
    if ( !QFile::exists(localFileName)) {
        emit state( tr("There is not a file called %1 in "
                       "the current directory.")
                    .arg(localFileName));
        emit putOk();
        return;
    }

//![4]
    file = new QFile(localFileName);
    if (!file->open(QIODevice::ReadOnly)) {
        emit state( tr("Unable to read the file %1: %2.")
                    .arg(localFileName).arg(file->errorString()));
        delete file;
        emit putOk();
        return;
    }
    QString remoteFile;
    remoteFile = fileName;
    ftp->put(file, remoteFile);

i find that the file is successly uploaded .

[sierdzio]

Is there any actual question or problem here?

[changtj]

@sierdzio

i find not.