Problème avec un chargement de fichier

Bonjour depuis ma dernière visite j'ai pas mal progresser sur ce sujet maintenant il est question de download un fichier sur mon serveur ftp. J'arrive à faire la communication entre mon application et mon serveur mais pour download ca ne donne pas. pour exemple, j'essaie de download un fichier qui s'appelle Cecprom.jpg vers mon seveur ftp sauf que ce dernier me renvoie une erreur.
Voici le code que j'utilise pour faire mon download. j'appelle cette classe dans l'actionlistener ou je veus l'utiliser

Code:

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package ftp;
 
 
import com.enterprisedt.net.ftp.FileTransferClient;
import com.enterprisedt.util.debug.Level;
import com.enterprisedt.util.debug.Logger;
import java.io.File;
 
public class Upload {
 
    public Upload(String[] args) {
 
        if (args.length < 3) {
            System.out
                    .println("Usage: run remote-host username password");
            System.exit(1);
        }
 
        // extract command-line arguments
        String host = args[0];
        String username = args[1];
        String password = args[2];
        String filename = "C:\\Users\\DEVELOPPEUR1\\Pictures\\Cecprom.jpg";
 
        // set up logger so that we get some output
        Logger log = Logger.getLogger(Upload.class);
        Logger.setLevel(Level.INFO);
 
        FileTransferClient ftp = null;
 
        try {
            // create client
            log.info("Creating FTP client");
            ftp = new FileTransferClient();
 
            // set remote host
            ftp.setRemoteHost(host);
            ftp.setUserName(username);
            ftp.setPassword(password);
 
            // connect to the server
            log.info("Connecting to server " + host);
            ftp.connect();
            log.info("Connected and logged in to server " + host);
 
            log.info("Downloading file");
            ftp.downloadFile(filename + ".copy", filename);
            log.info("File downloaded");
 
            // Shut down client
            log.info("Quitting client");
            ftp.disconnect();
 
            log.info("Example complete");
 
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

et voici l'erreur qu'il me retourne

Code:

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INFO [ftp.Upload] 2 sept. 2011 11:22:19.818 : Creating FTP client
INFO [ftp.Upload] 2 sept. 2011 11:22:19.908 : Connecting to server 127.0.0.1
INFO [ftp.Upload] 2 sept. 2011 11:22:19.918 : Connected and logged in to server 127.0.0.1
INFO [ftp.Upload] 2 sept. 2011 11:22:19.928 : Downloading file
INFO [FTPControlSocket] 2 sept. 2011 11:22:19.928 : Expected reply codes = [125,150]
ERROR [FTPClient] 2 sept. 2011 11:22:19.928 : Caught and rethrowing exception in initGet() : File not found
com.enterprisedt.net.ftp.FTPException: 550 File not found
	at com.enterprisedt.net.ftp.FTPControlSocket.validateReply(FTPControlSocket.java:1223)
	at com.enterprisedt.net.ftp.FTPClient.initGet(FTPClient.java:3109)
	at com.enterprisedt.net.ftp.FTPClient.getData(FTPClient.java:3156)
	at com.enterprisedt.net.ftp.FTPClient.getFile(FTPClient.java:2970)
	at com.enterprisedt.net.ftp.FTPClient.get(FTPClient.java:2356)
	at com.enterprisedt.net.ftp.FileTransferClient.downloadFile(FileTransferClient.java:703)
	at com.enterprisedt.net.ftp.FileTransferClient.downloadFile(FileTransferClient.java:683)
	at ftp.Upload.<init>(Upload.java:62)
	at vue.Photo_cl$1.actionPerformed(Photo_cl.java:98)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
	at java.awt.Component.processMouseEvent(Component.java:6263)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3255)
	at java.awt.Component.processEvent(Component.java:6028)
	at java.awt.Container.processEvent(Container.java:2041)
	at java.awt.Component.dispatchEventImpl(Component.java:4630)
	at java.awt.Container.dispatchEventImpl(Container.java:2099)
	at java.awt.Component.dispatchEvent(Component.java:4460)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
	at java.awt.Container.dispatchEventImpl(Container.java:2085)
	at java.awt.Window.dispatchEventImpl(Window.java:2475)
	at java.awt.Component.dispatchEvent(Component.java:4460)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:178)
	at java.awt.Dialog$1.run(Dialog.java:1045)
	at java.awt.Dialog$3.run(Dialog.java:1097)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.awt.Dialog.show(Dialog.java:1095)
	at java.awt.Component.show(Component.java:1563)
	at java.awt.Component.setVisible(Component.java:1515)
	at java.awt.Window.setVisible(Window.java:841)
	at java.awt.Dialog.setVisible(Dialog.java:985)
	at vue.Onglet_Client$1.actionPerformed(Onglet_Client.java:51)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
	at java.awt.Component.processMouseEvent(Component.java:6263)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3255)
	at java.awt.Component.processEvent(Component.java:6028)
	at java.awt.Container.processEvent(Container.java:2041)
	at java.awt.Component.dispatchEventImpl(Component.java:4630)
	at java.awt.Container.dispatchEventImpl(Container.java:2099)
	at java.awt.Component.dispatchEvent(Component.java:4460)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
	at java.awt.Container.dispatchEventImpl(Container.java:2085)
	at java.awt.Window.dispatchEventImpl(Window.java:2475)
	at java.awt.Component.dispatchEvent(Component.java:4460)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
 
 
	com.enterprisedt.net.ftp.FTPException: 550 File not found
	at com.enterprisedt.net.ftp.FTPControlSocket.validateReply(FTPControlSocket.java:1223)
	at com.enterprisedt.net.ftp.FTPClient.initGet(FTPClient.java:3109)
	at com.enterprisedt.net.ftp.FTPClient.getData(FTPClient.java:3156)
	at com.enterprisedt.net.ftp.FTPClient.getFile(FTPClient.java:2970)
	at com.enterprisedt.net.ftp.FTPClient.get(FTPClient.java:2356)
	at com.enterprisedt.net.ftp.FileTransferClient.downloadFile(FileTransferClient.java:703)
	at com.enterprisedt.net.ftp.FileTransferClient.downloadFile(FileTransferClient.java:683)
	at ftp.Upload.<init>(Upload.java:62)
	at vue.Photo_cl$1.actionPerformed(Photo_cl.java:98)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
	at java.awt.Component.processMouseEvent(Component.java:6263)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3255)
	at java.awt.Component.processEvent(Component.java:6028)
	at java.awt.Container.processEvent(Container.java:2041)
	at java.awt.Component.dispatchEventImpl(Component.java:4630)
	at java.awt.Container.dispatchEventImpl(Container.java:2099)
	at java.awt.Component.dispatchEvent(Component.java:4460)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
	at java.awt.Container.dispatchEventImpl(Container.java:2085)
	at java.awt.Window.dispatchEventImpl(Window.java:2475)
	at java.awt.Component.dispatchEvent(Component.java:4460)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:178)
	at java.awt.Dialog$1.run(Dialog.java:1045)
	at java.awt.Dialog$3.run(Dialog.java:1097)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.awt.Dialog.show(Dialog.java:1095)
	at java.awt.Component.show(Component.java:1563)
	at java.awt.Component.setVisible(Component.java:1515)
	at java.awt.Window.setVisible(Window.java:841)
	at java.awt.Dialog.setVisible(Dialog.java:985)
	at vue.Onglet_Client$1.actionPerformed(Onglet_Client.java:51)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
	at java.awt.Component.processMouseEvent(Component.java:6263)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3255)
	at java.awt.Component.processEvent(Component.java:6028)
	at java.awt.Container.processEvent(Container.java:2041)
	at java.awt.Component.dispatchEventImpl(Component.java:4630)
	at java.awt.Container.dispatchEventImpl(Container.java:2099)
	at java.awt.Component.dispatchEvent(Component.java:4460)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
	at java.awt.Container.dispatchEventImpl(Container.java:2085)
	at java.awt.Window.dispatchEventImpl(Window.java:2475)
	at java.awt.Component.dispatchEvent(Component.java:4460)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
	com.enterprisedt.net.ftp.FTPException: 550 File not found
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
	at com.enterprisedt.net.ftp.FTPControlSocket.validateReply(FTPControlSocket.java:1223)
	at com.enterprisedt.net.ftp.FTPClient.initGet(FTPClient.java:3109)
	at com.enterprisedt.net.ftp.FTPClient.getData(FTPClient.java:3156)
	at com.enterprisedt.net.ftp.FTPClient.getFile(FTPClient.java:2970)
	at com.enterprisedt.net.ftp.FTPClient.get(FTPClient.java:2356)
	at com.enterprisedt.net.ftp.FileTransferClient.downloadFile(FileTransferClient.java:703)
	at com.enterprisedt.net.ftp.FileTransferClient.downloadFile(FileTransferClient.java:683)
	at ftp.Upload.<init>(Upload.java:62)
	at vue.Photo_cl$1.actionPerformed(Photo_cl.java:98)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
	at java.awt.Component.processMouseEvent(Component.java:6263)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3255)
	at java.awt.Component.processEvent(Component.java:6028)
	at java.awt.Container.processEvent(Container.java:2041)
	at java.awt.Component.dispatchEventImpl(Component.java:4630)
	at java.awt.Container.dispatchEventImpl(Container.java:2099)
	at java.awt.Component.dispatchEvent(Component.java:4460)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
	at java.awt.Container.dispatchEventImpl(Container.java:2085)
	at java.awt.Window.dispatchEventImpl(Window.java:2475)
	at java.awt.Component.dispatchEvent(Component.java:4460)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:178)
	at java.awt.Dialog$1.run(Dialog.java:1045)
	at java.awt.Dialog$3.run(Dialog.java:1097)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.awt.Dialog.show(Dialog.java:1095)
	at java.awt.Component.show(Component.java:1563)
	at java.awt.Component.setVisible(Component.java:1515)
	at java.awt.Window.setVisible(Window.java:841)
	at java.awt.Dialog.setVisible(Dialog.java:985)
	at vue.Onglet_Client$1.actionPerformed(Onglet_Client.java:51)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
	at java.awt.Component.processMouseEvent(Component.java:6263)
	at javax.swing.JComponent.processMouseEvent(JComponent.java:3255)
	at java.awt.Component.processEvent(Component.java:6028)
	at java.awt.Container.processEvent(Container.java:2041)
	at java.awt.Component.dispatchEventImpl(Component.java:4630)
	at java.awt.Container.dispatchEventImpl(Container.java:2099)
	at java.awt.Component.dispatchEvent(Component.java:4460)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
	at java.awt.Container.dispatchEventImpl(Container.java:2085)
	at java.awt.Window.dispatchEventImpl(Window.java:2475)
	at java.awt.Component.dispatchEvent(Component.java:4460)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

A quel niveau je peche?