jdk/src/macosx/classes/sun/awt/CGraphicsEnvironment.java

@@ -165,10 +165,13 @@
 
             for (final int id : getDisplayIDs()) {
                 devices.put(id, old.containsKey(id) ? old.get(id)
                                                     : new CGraphicsDevice(id));
             }
+            if (devices.isEmpty()) {
+                throw new AWTError("no screen devices");
+            }
         }
         displayChanged();
     }
 
     @Override