Bonjour à tous j'ai suivi le tutoriel de GeoTools pour l'affichage d'une carte mais j'ai une erreur sur l'url du fichier qui conteient la carte à afficher mais je ne sais pas pourquoi car la carte est bien présente à l'emplacement cité
code:
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import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.Menu;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.net.URL;
 
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
 
import org.geotools.data.FeatureSource;
import org.geotools.data.Query;
import org.geotools.data.shapefile.ShapefileDataStore;
import org.geotools.gui.swing.JMapPane;
import org.geotools.map.DefaultMapContext;
import org.geotools.map.DefaultMapLayer;
import org.geotools.map.MapContext;
import org.geotools.map.MapLayer;
import org.geotools.renderer.lite.StreamingRenderer;
import org.geotools.styling.LineSymbolizer;
import org.geotools.styling.PolygonSymbolizer;
import org.geotools.styling.Style;
import org.geotools.styling.StyleBuilder;
 
 
public class Main {
	private JMapPane mappane = new JMapPane();
 
	public Main() {
		 JFrame frm = new JFrame();
		 frm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		 frm.setSize(800,600);
		 frm.setTitle("Ma Première carte avec GeoTools");
 
 
		 JPanel pfond = new JPanel(new BorderLayout());
		 frm.setContentPane(pfond);
 
		 frm.setJMenuBar(buildMenu());
		 frm.getContentPane().add(BorderLayout.CENTER,buildMap());
		 frm.getContentPane().add(BorderLayout.NORTH,buildTool());
 
		 frm.setVisible(true);        
	}
 
	private JMenuBar buildMenu() {
		 JMenuBar menu = new JMenuBar();
		 JMenu mfichier = new JMenu("Fichier");
		 JMenuItem iquitter = new JMenuItem("Quitter");
		 iquitter.addActionListener(new ActionListener() {
		  public void actionPerformed(ActionEvent e) {
		   System.exit(0);
		  }
		 });
		 mfichier.add(iquitter);
		 menu.add(mfichier);
 
		    return menu;
		}
 
    private JPanel buildMap() {
 
        mappane.setBackground(new Color(157,201,255));
 
        try{
 
            @SuppressWarnings("deprecation")
			MapContext mapcontext = new DefaultMapContext();
            mapcontext.setTitle( "Projet" );
 
            mappane.setContext(mapcontext);
 
            MapLayer maplayer;   
            URL shapeURL = Main.class.getResource("D:/espace de travail/shape/occ_sol.shp");
            ShapefileDataStore store = new ShapefileDataStore(shapeURL);
            String name = store.getTypeNames()[0];
            FeatureSource source = store.getFeatureSource(name);
            StyleBuilder sb = new StyleBuilder();
 
            PolygonSymbolizer ps =sb.createPolygonSymbolizer( new Color(253,241,187),new Color(163,151,97),1);
            Style solstyle = sb.createStyle();
            solstyle.addFeatureTypeStyle(sb.createFeatureTypeStyle(ps));      
            maplayer = new DefaultMapLayer(source,solstyle);
            maplayer.setTitle("occ_sol.shp");
            maplayer.setVisible(true);
            maplayer.setQuery(Query.ALL);
            mapcontext.addLayer(maplayer);
            shapeURL = Menu.class.getResource("D:/espace de travail/shape/reseau_route.shp");
 
            store = new ShapefileDataStore(shapeURL);
            name = store.getTypeNames()[0];
            source = store.getFeatureSource(name);
 
            sb = new StyleBuilder();
 
            LineSymbolizer ls2 = sb.createLineSymbolizer(Color.RED, 1);
            Style roadsStyle = sb.createStyle();
            roadsStyle.addFeatureTypeStyle(sb.createFeatureTypeStyle(ls2));
 
            maplayer = new DefaultMapLayer(source,roadsStyle);
            maplayer.setTitle("reseau_route.shp");
            maplayer.setVisible(true);
            maplayer.setQuery(Query.ALL);
            mapcontext.addLayer(maplayer);
            StreamingRenderer render = new StreamingRenderer();
            mappane.setRenderer(render);
            mappane.setMapArea(mapcontext.getLayerBounds());
        } catch(Exception e){
            e.printStackTrace();
        }        
        return mappane;
    }
    private JPanel buildTool() {
        JPanel outil = new JPanel(new FlowLayout(FlowLayout.LEFT));
 
        JButton plus = new JButton("+");
        plus.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                mappane.setState(JMapPane.ZoomIn);
            }
        });
        outil.add(plus);
 
        JButton moins = new JButton("-");
        moins.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                mappane.setState(JMapPane.ZoomOut);
            }
        });
        outil.add(moins);
 
        JButton pan = new JButton("Pan");
        pan.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                mappane.setState(JMapPane.Pan);
            }
        });
        outil.add(pan);
 
        return outil;
    }
	/**
         * @param args
         */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Main m=new Main();
	}
 
}
Erreur:
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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java.lang.NullPointerException: Null URL for ShapefileDataSource
	at org.geotools.data.shapefile.ShapefileDataStore.<init>(ShapefileDataStore.java:146)
	at org.geotools.data.shapefile.ShapefileDataStore.<init>(ShapefileDataStore.java:139)
	at org.geotools.data.shapefile.ShapefileDataStore.<init>(ShapefileDataStore.java:135)
	at Main.buildMap(Main.java:79)
	at Main.<init>(Main.java:45)
	at Main.main(Main.java:151)