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Tuesday, December 25, 2012

How to create SFTP connection using java ?

In this blog post we will learn how to create a secure FTP connection using java.SFTP is much more secure than its predecessor FTP since SFTP is based on SSH.
Here We will develop a SFTP client.Basically SFTP clients are programs that use SSH to access, manage, and transfer files. SFTP clients are functionally similar to FTP clients, but they use different protocols.
To create a SFTP connection to a server for file transfer or any other FTP operation we will use an open source library called JSCh. You can download this library from
Add this library to your class path and start creating the program.
This example shows how to get a file from the server using SFTP.
package com.techy.rajeev;

import com.jcraft.jsch.*;

     * @param args

    public class SFTPTest {
    public static void main(String args[]) {
        JSch jsch = new JSch();
        Session session = null;
        String username="";//Put your username here
        String password="";//Put your password here
        String host="";//Hostname
        String sourceFile="";//Path of file on the server
        String destFile="";//Path of local file
        try {
            session = jsch.getSession(username,host,22);
            session.setConfig("StrictHostKeyChecking", "no");

            Channel channel = session.openChannel("sftp");
            ChannelSftp sftpChannel = (ChannelSftp) channel;

        } catch (JSchException e) {
        } catch (SftpException e) {

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