src/share/classes/javax/swing/plaf/synth/SynthTreeUI.java

*** 310,320 ****
  
          Rectangle paintBounds = g.getClipBounds();
          Insets insets = tree.getInsets();
          TreePath initialPath = getClosestPathForLocation(tree, 0,
                                                           paintBounds.y);
!         Enumeration paintingEnumerator = treeState.getVisiblePathsFrom
                                                (initialPath);
          int row = treeState.getRowForPath(initialPath);
          int endY = paintBounds.y + paintBounds.height;
          TreeModel treeModel = tree.getModel();
          SynthContext cellContext = getContext(tree, Region.TREE_CELL);
--- 310,320 ----
  
          Rectangle paintBounds = g.getClipBounds();
          Insets insets = tree.getInsets();
          TreePath initialPath = getClosestPathForLocation(tree, 0,
                                                           paintBounds.y);
!         Enumeration<?> paintingEnumerator = treeState.getVisiblePathsFrom
                                                (initialPath);
          int row = treeState.getRowForPath(initialPath);
          int endY = paintBounds.y + paintBounds.height;
          TreeModel treeModel = tree.getModel();
          SynthContext cellContext = getContext(tree, Region.TREE_CELL);