Vikings

501 port not allow after EPSV ALL, active mode off错误

用sun的ftp包连接IBM aix服务器抛如下错误：
501 port not allow after EPSV ALL, active mode off

原因：
ftp要改为被动passtive模式.

解决方法：
使用第三方包edtftpj-1.5.1.jar连接服务器，在连接前设置模式为passtive

Demo
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
package app4;
/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2006</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
import com.enterprisedt.net.ftp.FTPClient;
import com.enterprisedt.net.ftp.FTPMessageCollector;
import com.enterprisedt.net.ftp.FTPTransferType;
import com.enterprisedt.net.ftp.FTPConnectMode;
import com.enterprisedt.util.debug.Level;
import com.enterprisedt.util.debug.Logger;
import java.util.Date;
import java.io.File;
public class Demo {
    /**
     *  Log stream
     */
    private static Logger log = Logger.getLogger(Demo.class);
    public static void main(String[] args) {
        // we want remote host, user name and password
//        if (args.length < 3) {
//            usage();
//            System.exit(1);
//        }
        // assign args to make it clear
        String host = "localhost";//args[0];
        String user = "lijun2";//args[1];
        String password = "836301";//args[2];
        Logger.setLevel(Level.ALL);
        FTPClient ftp = null;
        try {
            // set up client
            log.info("Connecting");
            ftp = new FTPClient(host);
            FTPMessageCollector listener = new FTPMessageCollector();
            ftp.setMessageListener(listener);
            // login
            log.info("Logging in");
            ftp.login(user, password);
            // set up passive ASCII transfers
            log.debug("Setting up passive, ASCII transfers");
            ftp.setConnectMode(FTPConnectMode.PASV);
            ftp.setType(FTPTransferType.BINARY);
            // get directory and print it to console           
            log.debug("Directory before put:");
            String[] files = ftp.dir(".", true);
            for (int i = 0; i < files.length; i++)
                log.debug(files[i]);
            // copy file to server
            System.out.println(new Date());
            log.info("Putting file");
            File loadfile = new File("a.ISO");
           
            ftp.put("a.ISO", "a.ISO");
           
            System.out.println(new Date());
            // get directory and print it to console           
            log.debug("Directory after put");
            files = ftp.dir(".", true);
            for (int i = 0; i < files.length; i++)
                log.debug(files[i]);
            // copy file from server
           // log.info("Getting file");
           // ftp.get("2005.doc" + ".copy", "2005.doc");
            // delete file from server
            //log.info("Deleting file");
           // ftp.delete("test.txt");
            // get directory and print it to console           
           // log.debug("Directory after delete");
            files = ftp.dir("", true);
            for (int i = 0; i < files.length; i++)
                log.debug(files[i]);
            // Shut down client               
            log.info("Quitting client");
            ftp.quit();
            String messages = listener.getLog();
            log.debug("Listener log:");
            log.debug(messages);
            log.info("Test complete");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    public static void usage() {
        System.out.println("Usage: Demo remotehost user password");
    }
}

posted on 2008-07-03 00:18 Vikings 阅读(1974) 评论(0)  编辑  收藏


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