modules/graphics/src/main/java/com/sun/javafx/tk/quantum/PaintCollector.java

*** 297,307 ****
              // now would be a great time to vsync! 
              if (needsHint && !toolkit.hasNativeSystemVsync()) {
                  toolkit.vsyncHint();
              }
  
!             Application.GetApplication().notifyRenderingFinished();
  
              // If pulse logging is enabled, then we must call renderEnd now
              // that we know that all of the scene's being rendered are finished
              if (PULSE_LOGGING_ENABLED) {
                  PULSE_LOGGER.renderEnd();
--- 297,310 ----
              // now would be a great time to vsync! 
              if (needsHint && !toolkit.hasNativeSystemVsync()) {
                  toolkit.vsyncHint();
              }
  
!             Application application = Application.GetApplication();
!             if (application != null) {
!                 application.notifyRenderingFinished();
!             }
  
              // If pulse logging is enabled, then we must call renderEnd now
              // that we know that all of the scene's being rendered are finished
              if (PULSE_LOGGING_ENABLED) {
                  PULSE_LOGGER.renderEnd();