src/share/classes/sun/java2d/SunGraphics2D.java

*** 2348,2358 ****
              // caller of this method so that the pipe stays valid
              // long enough to call the new primitive.
              // REMIND: No locking yet in screen SurfaceData objects!
              // surfaceData.lock();
              surfaceData = surfaceData.getReplacement();
!             if (surfaceData == null) {
                  surfaceData = NullSurfaceData.theInstance;
              }
  
              // this will recalculate the composite clip
              setDevClip(surfaceData.getBounds());
--- 2348,2358 ----
              // caller of this method so that the pipe stays valid
              // long enough to call the new primitive.
              // REMIND: No locking yet in screen SurfaceData objects!
              // surfaceData.lock();
              surfaceData = surfaceData.getReplacement();
!             if (surfaceData == null || !surfaceData.isValid()) {
                  surfaceData = NullSurfaceData.theInstance;
              }
  
              // this will recalculate the composite clip
              setDevClip(surfaceData.getBounds());