src/share/classes/sun/awt/HeadlessToolkit.java

@@ -23,10 +23,12 @@
  * questions.
  */
 
 package sun.awt;
 
+import sun.awt.datatransfer.DataTransferer;
+
 import java.awt.*;
 import java.awt.dnd.*;
 import java.awt.dnd.peer.DragSourceContextPeer;
 import java.awt.event.*;
 import java.awt.font.TextAttribute;

@@ -400,10 +402,15 @@
             return componentFactory.getFontPeer(name, style);
         }
         return null;
     }
 
+    @Override
+    public DataTransferer getDataTransferer() {
+        return null;
+    }
+
     @SuppressWarnings("deprecation")
     public FontMetrics getFontMetrics(Font font) {
         return tk.getFontMetrics(font);
     }