jdk/src/java.desktop/share/classes/com/sun/awt/AWTUtilities.java

*** 454,463 ****
          if (component == null) {
              throw new NullPointerException(
                      "The component argument should not be null.");
          }
  
!         AWTAccessor.getComponentAccessor().setMixingCutoutShape(component,
!                 shape);
      }
  }
  
--- 454,462 ----
          if (component == null) {
              throw new NullPointerException(
                      "The component argument should not be null.");
          }
  
!         component.setMixingCutoutShape(shape);
      }
  }