src/java.desktop/windows/classes/sun/awt/windows/WComponentPeer.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 1996, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1996, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this

@@ -577,10 +577,11 @@
         Component target = (Component)getTarget();
         Window window = SunToolkit.getContainingWindow(target);
         if (window != null) {
             final WWindowPeer wpeer = AWTAccessor.getComponentAccessor()
                                                  .getPeer(window);
+            if (wpeer != null) {
             Graphics g = wpeer.getTranslucentGraphics();
             // getTranslucentGraphics() returns non-null value for non-opaque windows only
             if (g != null) {
                 // Non-opaque windows do not support heavyweight children.
                 // Redirect all painting to the Window's Graphics instead.

@@ -596,10 +597,11 @@
                 g.clipRect(0, 0, target.getWidth(), target.getHeight());
 
                 return g;
             }
         }
+        }
 
         SurfaceData surfaceData = this.surfaceData;
         if (surfaceData != null) {
             /* Fix for bug 4746122. Color and Font shouldn't be null */
             Color bgColor = background;