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Friday, 13 December 2013

Delete files from FTP Server in Java - Using Commons Net API

In today's discussion we will came across 'How to Delete files from FTP Server in Java'. We are using 'apache commons-net' API that holds all necessary classes to deal with FTP operations like, create connection , get list of all files on ftp , upload file to ftp , download files from ftp , create and delete a directory on ftp and delete a file on ftp.

In this particular blog we will see an example of How to Delete files from FTP Server in Java, all steps included in the process are:

1)  Get a 'FtpClient' object from '' Class.
2)  Use 'connect()'  method of API to open a connection to the FTP Server, pass ftp path or url as           parameter to connect() method.
3)  Call login() method of API on ftpClient, and pass server credentials as parameter. It returns 'true' if login is successful and false otherwise.
4)  Call deleteFile(String pathname) method of API on ftpClient to delete a file on the FTP server. It returns 'true' if deletion is successful and false otherwise.

5)  Call logout() method of API on ftpClient to logout from connected ftp server. It returns 'true' if logout is successful and false otherwise.
6)  Call disconnect() method of API on ftpClient to end connection from connected ftp server. It returns 'true' if disconnect is successful and false otherwise.

Required Libraries to add

To use implementation of 'Commons Net' we need to add following dependency to our pom.xml. Here 'commons-net' is required dependency but 'commons-io' is optional. 'commons-io' provides a number of general purpose implementation to deal with IO.


Delete files from FTP Server in Java - Example Code

package com.beingjavaguys.testftp;


public class DeleteFile {
 public static void main(String args[]) {

  // get an ftpClient object
  FTPClient ftpClient = new FTPClient();

  try {
   // pass directory path on server to connect

   // pass username and password, returned true if authentication is
   // successful
   boolean login = ftpClient.login("username", "password");

   if (login) {
    System.out.println("Connection established...");

    boolean delete = ftpClient.deleteFile("uploadedFile.txt");
    if (delete) {
     System.out.println("File deleted successfully !");
    } else {
     System.out.println("Error in deleting file !");

    // logout the user, returned true if logout successfully
    boolean logout = ftpClient.logout();
    if (logout) {
     System.out.println("Connection close...");
   } else {
    System.out.println("Connection fail...");

  } catch (SocketException e) {
  } catch (IOException e) {
  } finally {
   try {
   } catch (IOException e) {

Output : Here is expected output, connection started, file deleted from server and connection ends.

Here we are done with 'Delete files from FTP Server in Java - Using Commons Net API'. In our upcoming blogs we will see more about Java Programming and other opensource technologies.

Thanks for reading !
Being Java Guys Team


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