import javax.swing.plaf.basic.BasicSliderUI;

static void fixSliderScrolling(final JSlider s) {
  MouseListener[] listeners = s.getMouseListeners();
  for (MouseListener l : listeners)
    s.removeMouseListener(l); // remove UI-installed TrackListener
  final BasicSliderUI ui = (BasicSliderUI) s.getUI();
  BasicSliderUI.TrackListener tl = ui.new TrackListener() {
    // this is where we jump to absolute value of click
    @Override public void mouseClicked(MouseEvent e) {
        Point p = e.getPoint();
        int value = ui.valueForXPosition(p.x);
        s.setValue(value);
    }
    // disable check that will invoke scrollDueToClickInTrack
    @Override public boolean shouldScroll(int dir) {
        return false;
    }
  };
  s.addMouseListener(tl);
}