--- old/src/java.desktop/share/classes/java/awt/Taskbar.java	2016-11-15 19:20:01.000000000 +0300
+++ new/src/java.desktop/share/classes/java/awt/Taskbar.java	2016-11-15 19:20:01.000000000 +0300
@@ -195,6 +195,8 @@
             peer = ((SunToolkit) defaultToolkit).createTaskbarPeer(this);
         }
     }
+    
+    private static Taskbar taskbar;
 
     /**
      * Returns the {@code Taskbar} instance of the current
@@ -217,12 +219,18 @@
                                                     "supported on the current platform");
         }
 
+        Taskbar taskbar = null;
         sun.awt.AppContext context = sun.awt.AppContext.getAppContext();
-        Taskbar taskbar = (Taskbar)context.get(Taskbar.class);
-
+        
+        taskbar = (context == null) 
+                ? Taskbar.taskbar
+                : (Taskbar)context.get(Taskbar.class);
+        
         if (taskbar == null) {
             taskbar = new Taskbar();
-            context.put(Taskbar.class, taskbar);
+            if (context != null) {
+                context.put(Taskbar.class, taskbar);
+            }
         }
 
         return taskbar;