private void paint(Graphics2D g, Collection features, Layer layer, Style style) throws Exception { try { if (!layer.isVisible()) { return; } if (!style.isEnabled()) { return; } style.initialize(layer); // new ArrayList to avoid ConcurrentModificationException. [Jon Aquino] for (Iterator i = new ArrayList(features).iterator(); i.hasNext(); ) { final Feature feature = (Feature) i.next(); if (cancelled) { return; } if (feature.getGeometry().isEmpty()) { continue; } style.paint(feature, g, panel.getViewport()); } } catch (NullPointerException e) { // System.out.println("Registro con geometría nula"); } }