--- old/src/java.desktop/unix/classes/sun/awt/X11/XMenuBarPeer.java	2015-11-06 02:13:04.159860988 -0500
+++ new/src/java.desktop/unix/classes/sun/awt/X11/XMenuBarPeer.java	2015-11-06 02:13:03.999780990 -0500
@@ -296,7 +296,7 @@
      */
     protected Rectangle getSubmenuBounds(Rectangle itemBounds, Dimension windowSize) {
         Rectangle globalBounds = toGlobal(itemBounds);
-        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+        Dimension screenSize = graphicsConfig.getBounds().getSize();        
         Rectangle res;
         res = fitWindowBelow(globalBounds, windowSize, screenSize);
         if (res != null) {