Problem with QTcpServer or QTcpSocket

	#include <QObject>
	#include <QTcpServer>
	#include <QTcpSocket>
	#include <QStringList>
	#include <QTextStream>
	#include <QMessageBox>
	#include <QApplication>
	class SocketTest : public QTcpServer
	{
	    Q_OBJECT
	public:
	    SocketTest(QObject* parent = 0) : QTcpServer(parent) {
	        listen(QHostAddress::Any, 8080);
	    }
	    void incomingConnection(int socket) {
	        QTcpSocket* s = new QTcpSocket(this);
	        connect(s, SIGNAL(readyRead()), this, SLOT(readClient()));        
	        connect(s, SIGNAL(disconnected()), this, SLOT(discardClient()));
	        s->setSocketDescriptor(socket);
	    }
	private slots:
	    void readClient() {
	        QTcpSocket* socket = (QTcpSocket*)sender();
	        if (socket->canReadLine()) {
	            QStringList tokens = QString(socket->readLine()).split(QRegExp("[ \r\n][ \r\n]*"));
	            if (tokens[0] == "GET") {
	                QTextStream os(socket);
	                os.setAutoDetectUnicode(true);
	                os << "HTTP/1.0 200 Ok\r\n"
	                    "Content-Type: text/html; charset=\"utf-8\"\r\n"
	                    "\r\n"
	                    "<h1>Helllo, world!</h1>";
	                socket->close();
	                if (socket->state() == QTcpSocket::UnconnectedState) {
	                    delete socket;
	                }
	            }
	        }
	    }        
	    void discardClient() {
	        QTcpSocket* socket = (QTcpSocket*)sender();
	        socket->deleteLater();        
	    }
	};
	 
	 
	#include "main.moc"
	 
	int main(int argc, char** argv) 
	{
	    QApplication app(argc, argv);
	    SocketTest test(&app);
	    QMessageBox box;
	    box.setText("Exit");
	    box.show();
	    app.exec();    
	}

	 
	TEMPLATE = app
	QT += network
	SOURCES = main.cpp
	symbian {
	TARGET.CAPABILITY="NetworkServices"
	}