QThread and QTcpSocket problem

I have a thread and a tcpSocket. The tcpSocket is declared in my "x.h" class.

At some point I want to use this tcpSocket, but I get this message:

ASSERT failure in QObject::QObject(): "Cannot create children for a parent that is in a different thread.", file kernel/qobject.cpp, line 599

This is the code where I create my tcpSocket:

Code:

---

void Client :: run()
{
     cout << "void Client :: run()\n";
     tcpSocket = new QTcpSocket();    
     if(!tcpSocket->setSocketDescriptor(socketDescriptor))
     {
          cout << "Error - tcpSocket descriptor\n";
          return;
     }
     connect(tcpSocket, SIGNAL(readyRead()), this, SLOT(readData()));
     connect(tcpSocket, SIGNAL(disconnected()), this, SLOT(clientDisconnected()));
     exec();
}

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This is the code where I want my tcpSocket to write to another computer:

Code:

---

void Client :: loginResponse(bool accepted, QString *userName, QByteArray *messageOut)
{
     if(accepted==true)
     {
          server->addClient(*userName, this);
          clientLogged = true;
          tcpSocket->write("hello\n");
     }
}

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How can i refer to the tcpSocket that was instantiated in the run() ?

Problem solved:

I was starting the thread in another class. So, I change it to be run from the constructor in the thread.

Code:

---

Client :: Client(int socketDescriptor, Server *server, QObject *parent) : QThread(parent)
{
     this->socketDescriptor = socketDescriptor;
     this->server = server;
     this->message = new Message(this);
     chattingUserName = new QString();
     messageIn = new QByteArray();
     clientLogged = false;
     connect(this, SIGNAL(finished()), this, SLOT(finished()));
     run();
}

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