--- old/jdk/src/share/classes/sun/java2d/SunGraphicsEnvironment.java	2013-09-26 17:42:29.294586200 +0400
+++ new/jdk/src/share/classes/sun/java2d/SunGraphicsEnvironment.java	2013-09-26 17:42:28.829559600 +0400
@@ -165,7 +165,11 @@
      * Returns the default screen graphics device.
      */
     public GraphicsDevice getDefaultScreenDevice() {
-        return getScreenDevices()[0];
+        GraphicsDevice[] screens = getScreenDevices();
+        if (screens.length == 0) {
+            throw new AWTError("no screen devices");
+        }
+        return screens[0];
     }
 
     /**