modules/javafx.web/src/main/java/com/sun/javafx/webkit/UIClientImpl.java

*** 310,320 ****
      private final static DataFormat DF_DRAG_IMAGE_OFFSET = getDataFormat(DRAG_IMAGE_OFFSET);
  
      @Override public void startDrag(WCImage image,
          int imageOffsetX, int imageOffsetY,
          int eventPosX, int eventPosY,
!         String[] mimeTypes, Object[] values
      ){
          content = new ClipboardContent();
          for (int i = 0; i < mimeTypes.length; ++i) if (values[i] != null) {
              try {
                  content.put(getDataFormat(mimeTypes[i]),
--- 310,320 ----
      private final static DataFormat DF_DRAG_IMAGE_OFFSET = getDataFormat(DRAG_IMAGE_OFFSET);
  
      @Override public void startDrag(WCImage image,
          int imageOffsetX, int imageOffsetY,
          int eventPosX, int eventPosY,
!         String[] mimeTypes, Object[] values, boolean isImageSource
      ){
          content = new ClipboardContent();
          for (int i = 0; i < mimeTypes.length; ++i) if (values[i] != null) {
              try {
                  content.put(getDataFormat(mimeTypes[i]),
*** 344,353 ****
--- 344,354 ----
  
              //The image is prepared synchronously, that is sad.
              //Image need to be created by target request only.
              //QuantumClipboard.putContent have to be rewritten in Glass manner
              //with postponed data requests (DelayedCallback data object).
+             if (isImageSource) {
                  Object platformImage = image.getWidth() > 0 && image.getHeight() > 0 ?
                          image.getPlatformImage() : null;
                  if (platformImage != null) {
                      try {
                          File temp = File.createTempFile("jfx", ".png");
*** 366,375 ****
--- 367,377 ----
                          //e.printStackTrace();
                      }
                  }
              }
          }
+     }
  
      @Override public void confirmStartDrag() {
          WebView view = accessor.getView();
          if (view != null && content != null) {
              //TODO: implement native support for Drag Source actions.