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Valli
connect ftp from java program
1 Answer(s)      4 years ago
Posted in : Java Beginners


Hi, I need to connect to the ftp and get the files through a java program.. I wrote the following code...

import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPFile;
import org.apache.commons.io.FileUtils;
import java.io.IOException;
public class FtpTest {
  public static void main(String[] args) {

   try{
    FTPClient client = new FTPClient();

    client.connect("ftp://111.111.111.111/");

    client.disconnect();

   }
   catch(Exception e){
    e.printStackTrace();
   }

  }
}

I have given a different ip than the above... But its not connecting... It shows me a runtime exception of UnknownHostException..

java.net.UnknownHostException: ftp://111.111.111.111/
    at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:177)
    at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
    at java.net.Socket.connect(Socket.java:525)
    at java.net.Socket.connect(Socket.java:475)
    at java.net.Socket.<init>(Socket.java:372)
    at java.net.Socket.<init>(Socket.java:186)
    at org.apache.commons.net.DefaultSocketFactory.createSocket(DefaultSocketFactory.java:52)
    at org.apache.commons.net.SocketClient.connect(SocketClient.java:161)
    at org.apache.commons.net.SocketClient.connect(SocketClient.java:249)
    at FtpTest.main(FtpTest.java:12)

the same worked me well when i entered in the browser... whats the problem here... Pls Help

Thanks in advance..


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View Answers

September 29, 2011 at 7:07 PM


try like client.connect("111.111.111.111"); Because all ready we are getting FTPClient so don't need to try with ftp://



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