Launching GUI application on different X11 display

[basy]

Hi all.
I create simple application
mainwindow.h:

#include <QMainWindow>
#include <QTextBrowser>
#include "mainwindow.h"
 
class MainWindow : public QMainWindow {
  Q_OBJECT
 
public:
  MainWindow();
};

#include <QMainWindow>
#include <QTextBrowser>
#include "mainwindow.h"

class MainWindow : public QMainWindow {
  Q_OBJECT

public:
  MainWindow();
};

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mainwindow.cpp:

#include "mainwindow.h"
 
MainWindow::MainWindow() : QMainWindow(){
  setCentralWidget(new QTextBrowser());
}

#include "mainwindow.h"

MainWindow::MainWindow() : QMainWindow(){
  setCentralWidget(new QTextBrowser());
}

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main.cpp:

#include <QApplication>
#include "mainwindow.h"
 
int main(int argc, char *argv[]) {
  QApplication a(argc, argv);
  MainWindow w;
  w.show();
  return a.exec();
}

#include <QApplication>
#include "mainwindow.h"

int main(int argc, char *argv[]) {
  QApplication a(argc, argv);
  MainWindow w;
  w.show();
  return a.exec();
}

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Everything works, but when i ssh myself and run

./MyApp -display :0.0

./MyApp -display :0.0

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application starts for a while and then it fail:

ASSERT failure in QList<T>::operator[]: "index out of range", file /usr/include//QtCore/qlist.h, line 463
Aborted

ASSERT failure in QList<T>::operator[]: "index out of range", file /usr/include//QtCore/qlist.h, line 463
Aborted

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Any ideas how to manage starting application on defined X display ?
Thanks, regards BasY