Segmentation fault

main.cpp

@@ -2,14 +2,15 @@
 #include <QSslSocket>
 #include <QThread>
 
-#include "stompframe.h"
 #include "stomp.h"
 #include "app.h"
 
 int main(int argc, char *argv[]) {
     QApplication application(argc, argv);
 
-    App app;
+    Stomp st;
+    App app(&st);
+    st.subscribe(&app);
 
     return application.exec();
 }