src/windows/classes/sun/java2d/ScreenUpdateManager.java

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@@ -109,11 +109,11 @@
      */
     public SurfaceData getReplacementScreenSurface(WComponentPeer peer,
                                                    SurfaceData oldsd)
     {
         SurfaceData surfaceData = peer.getSurfaceData();
-        if (surfaceData.isValid()) {
+        if (surfaceData == null || surfaceData.isValid()) {
             return surfaceData;
         }
         peer.replaceSurfaceData();
         return peer.getSurfaceData();
     }