GTK Error in Eclipse RCP Many times while testing eclipse RCP application, you will see following error: ------------------------------------------------------------------------------------------------------------ (eclipse:2960): GLib-GObject-WARNING **: invalid (NULL) pointer instance (eclipse:2960): GLib-GObject-CRITICAL **: g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE' (instance) failed (eclipse:2960): Gtk-CRITICAL **: IA__gtk_screen_get_display: assertion 'GDK_IS_SCREEN (screen)' failed (eclipse:2960): Gtk-WARNING **: Screen for GtkWindow not set; you must always set a screen for a GtkWindow before using the window (eclipse:2960): Gtk-WARNING **: Screen for GtkWindow not set; you must always set a screen for a GtkWindow before using the window (eclipse:2960): Gdk-CRITICAL **: IA__gdk_screen_get_display: assertion 'GDK_IS_SCREEN (screen)' failed (eclipse:2960): Gdk-CRITICAL **: IA__gdk_display_get_pointer: assertion 'GDK_IS_DI
In this blog I'll demonstrate how to implement few very basic application functionalities in Eclipse RCP.