FtpClient storeFile always return False

Question

Please figure this out. The code runs properly without any exception.

        FTPClient ftp = new FTPClient();
        ftp.connect(server);
        if(!ftp.l         


        

Answer 1

please add the apache library for this code this are the impoted class

import org.apache.commons.net.ftp.FTP;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPFile;
import org.apache.commons.net.ftp.FTPReply;

rest import class is from java.io or java.net

public boolean upload(String server,String username,String password,File localfile ){
        boolean Store=false;
        try{
        FTPClient ftp = new FTPClient();
               // ftp.connect(server);
    /* you can use either code which is written above above or below code as ftp port 20 is used for the data transfer and port 21 is used for command and controlls */
           ftp.connect(InetAddress.getByName(server),21); 
    //here 'server' is your domain name of ftp server or url
                if(!ftp.login(username, password))
                {
                    ftp.logout();
                    return false;
                }
          ftp.sendNoOp();//used so server timeout exception will not rise
                int reply = ftp.getReplyCode();
                if (!FTPReply.isPositiveCompletion(reply))
                {
                    ftp.disconnect();
                    return false;
                }
              ftp.enterLocalPassiveMode(); /* just include this line here and your code will work fine */
                InputStream in = new FileInputStream(localfile);
              // ftp.setFileType(ftp.BINARY_FILE_TYPE, ftp.BINARY_FILE_TYPE);
               ftp.setFileType(FTP.BINARY_FILE_TYPE);
               // ftp.setFileTransferMode(ftp.BINARY_FILE_TYPE);
                Store = ftp.storeFile(destinationfile, in);
                in.close();
             //ftp.disconnect();
     //here logout will close the connection for you
                ftp.logout();

            }
            catch (Exception ex)
            {
                ex.printStackTrace();
                return false;
            }
        return Store;
    }