@ -381,7 +381,7 @@ public class VanChartMapSourceChoosePane extends JPanel implements UIObserver {
public void actionPerformed(ActionEvent e) {
new SwingWorker<Void, Double>() {
private java.util.List<WMSLayer> list;
private java.util.List<WMSLayer> list = new ArrayList<>();
@Override
protected Void doInBackground() throws Exception {