--- old/jdk/src/macosx/classes/sun/awt/CGraphicsEnvironment.java	2013-09-26 17:42:26.358418300 +0400
+++ new/jdk/src/macosx/classes/sun/awt/CGraphicsEnvironment.java	2013-09-26 17:42:25.911392700 +0400
@@ -181,6 +181,9 @@
             initDevices();
 
             d = devices.get(mainDisplayID);
+            if (d == null) {
+                throw new AWTError("no screen devices");
+            }
         }
         return d;
     }