: Always call logout() and disconnect() in a finally block to release server resources. Example Code Snippet
: Use connect(server) and login(username, password) to authenticate with the FTP server. apache ftp client download file
FTPClient ftpClient = new FTPClient(); try { ftpClient.connect("ftp.example.com"); ftpClient.login("user", "password"); ftpClient.enterLocalPassiveMode(); ftpClient.setFileType(FTP.BINARY_FILE_TYPE); String remoteFilePath = "/remote/path/file.zip"; File localFile = new File("C:/downloads/file.zip"); try (OutputStream outputStream = new BufferedOutputStream(new FileOutputStream(localFile))) { boolean success = ftpClient.retrieveFile(remoteFilePath, outputStream); if (success) { System.out.println("File downloaded successfully."); } } } catch (IOException ex) { ex.printStackTrace(); } finally { try { if (ftpClient.isConnected()) { ftpClient.logout(); ftpClient.disconnect(); } } catch (IOException ex) { ex.printStackTrace(); } } Use code with caution. Advanced Considerations FTPClient (Apache Commons Net 3.13.0 API) : Always call logout() and disconnect() in a
If using retrieveFile() , pass a FileOutputStream to save the data to a local disk. Advanced Considerations FTPClient (Apache Commons Net 3