src/java.desktop/share/classes/sun/awt/image/OffScreenImageSource.java

*** 185,205 ****
              theConsumer.setDimensions(image.getWidth(), image.getHeight());
              theConsumer.setProperties(properties);
              sendPixels();
              theConsumer.imageComplete(ImageConsumer.SINGLEFRAMEDONE);
  
              try {
                  theConsumer.imageComplete(ImageConsumer.STATICIMAGEDONE);
              } catch (RuntimeException e) {
                  // We did not previously call this method here and
                  // some image consumer filters were not prepared for it to be
                  // called at this time. We allow them to have runtime issues
                  // for this one call only without triggering the IMAGEERROR
                  // condition below.
                  e.printStackTrace();
              }
! 
          } catch (NullPointerException e) {
              e.printStackTrace();
  
              if (theConsumer != null) {
                  theConsumer.imageComplete(ImageConsumer.IMAGEERROR);
--- 185,207 ----
              theConsumer.setDimensions(image.getWidth(), image.getHeight());
              theConsumer.setProperties(properties);
              sendPixels();
              theConsumer.imageComplete(ImageConsumer.SINGLEFRAMEDONE);
  
+             // If 'theconsumer' has not unregistered itself after previous call
+             if (theConsumer != null) {
                  try {
                      theConsumer.imageComplete(ImageConsumer.STATICIMAGEDONE);
                  } catch (RuntimeException e) {
                      // We did not previously call this method here and
                      // some image consumer filters were not prepared for it to be
                      // called at this time. We allow them to have runtime issues
                      // for this one call only without triggering the IMAGEERROR
                      // condition below.
                      e.printStackTrace();
                  }
!             }
          } catch (NullPointerException e) {
              e.printStackTrace();
  
              if (theConsumer != null) {
                  theConsumer.imageComplete(ImageConsumer.IMAGEERROR);