src/macosx/classes/sun/lwawt/LWLightweightFramePeer.java

*** 92,105 ****
--- 92,107 ----
          setBounds(x, y, w, h, op, true, false);
      }
  
      @Override
      public void addDropTarget(DropTarget dt) {
+         getLwTarget().addDropTarget(dt);
      }
  
      @Override
      public void removeDropTarget(DropTarget dt) {
+         getLwTarget().removeDropTarget(dt);
      }
  
      @Override
      public void grab() {
          getLwTarget().grabFocus();