Потоки отказываются обмениваться данными, в чем может быть дело?

#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "smartgraph.h"
#include "qthread.h"
 
MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
{
    ui->setupUi(this);
    this->setWindowTitle("Тестовое задание 1");
 
    ui->widget->xAxis->setRange(0,65535);
    ui->widget->yAxis->setRange(0,10);
 
    QPen pen = *new QPen(QColor(
        QRandomGenerator::global()->generate() % std::numeric_limits<byte>::max(),
        QRandomGenerator::global()->generate() % std::numeric_limits<byte>::max(),
        QRandomGenerator::global()->generate() % std::numeric_limits<byte>::max()));
 
    ui->widget->addGraph();
    ui->widget->graph(0)->setPen(pen);
 
    QThread *workerThread = new QThread(this);
    SmartGraph *a = new SmartGraph(0);
 
    QObject::connect(workerThread, &QThread::finished, a, &QObject::deleteLater,Qt::QueuedConnection);
    QObject::connect(this, &MainWindow::startLissen, a,&SmartGraph::beginLissen,Qt::QueuedConnection);
    QObject::connect(this, &MainWindow::stopLissen, a, &SmartGraph::stopLissen,Qt::QueuedConnection);
    QObject::connect(a, &SmartGraph::reCalculateGrapf, this, &MainWindow::updateGraphInfo,Qt::QueuedConnection);
 
    a->moveToThread(workerThread);
}
 
MainWindow::~MainWindow()
{
    delete ui;
}
 
void MainWindow::updateGraphInfo(int grapfNumber, QVector<double> x, QVector<double> y)
{
    ui->widget->graph(grapfNumber)->addData(x,y);
    ui->widget->replot();
}
 
void MainWindow::on_pushButton_clicked()
{
    qDebug() << "Thread main " << this->thread()->currentThreadId();
    emit startLissen();
}
 
void MainWindow::on_pushButton_stop_clicked()
{
    emit stopLissen();
}

#include "smartgraph.h"
#include "qudpsocket.h"
#include "mainwindow.h"
#include <QDataStream>
 
SmartGraph::SmartGraph(int grapfNumber) : _grapfNumber(grapfNumber)
{
    //заполним данные оси Y
    x = *new QVector<double>(65535);
    y = *new QVector<double>(65535);
 
    for (int a = 0;a<65535;a++)
    {
        x[a] = a;
        y[a] = 0;
    }
 
    qDebug() << "Thread run " << this->thread()->currentThreadId();
 
    udpSocket = new QUdpSocket();
    QObject::connect(udpSocket,&QUdpSocket::readyRead,this,&SmartGraph::ReadingData);
}
 
void SmartGraph::beginLissen()
{
    qDebug() << "Thread zerro " << this->thread()->currentThreadId();
    udpSocket->bind(1111);
}
 
void SmartGraph::stopLissen()
{
    udpSocket->close();
}
 
void SmartGraph::ReadingData()
{
    QHostAddress sender;
    quint16 senderPort = 9999;
 
    while(udpSocket->hasPendingDatagrams())
    {
        QByteArray datagram;
        datagram.resize(udpSocket->pendingDatagramSize());
        udpSocket->readDatagram(datagram.data(), datagram.size(),&sender,&senderPort);
        QDataStream in(&datagram, QIODevice::ReadOnly);
        uint16_t asseptedArray[64];
 
        for (uint16_t i = 0;i < 64;i++)
        {
            in >> asseptedArray[i];
        }
        this->recalculateArray(asseptedArray);
    }
}
 
void SmartGraph::recalculateArray(const uint16_t asseptedArray[])
{
    for (int i = 0;i < 64;i++)
    {
        y[asseptedArray[i]]++;
    }
 
    emit reCalculateGrapf (_grapfNumber, x,y);
}

    QThread *workerThread = new QThread(this);
    SmartGraph *a = new SmartGraph(0);
 
    QObject::connect(workerThread, &QThread::finished, a, &QObject::deleteLater,Qt::QueuedConnection);
    QObject::connect(this, &MainWindow::startLissen, a,&SmartGraph::beginLissen,Qt::QueuedConnection);
    QObject::connect(this, &MainWindow::stopLissen, a, &SmartGraph::stopLissen,Qt::QueuedConnection);
    QObject::connect(a, &SmartGraph::reCalculateGrapf, this, &MainWindow::updateGraphInfo,Qt::QueuedConnection);
 
    //a->moveToThread(workerThread);  //нет многопоточки