private FTPSClient ftp = new FTPSClient();

private KeyStore loadStore(String storeType, File storePath, String storePass)
        throws KeyStoreException,  IOException, GeneralSecurityException {
        KeyStore ks = KeyStore.getInstance(storeType);
        FileInputStream stream = null;
        try {
            stream = new FileInputStream(storePath);
            ks.load(stream, storePass.toCharArray());
        } finally {
            Util.closeQuietly(stream);
        }
        return ks;
    }
public boolean connect() throws FTPException {

    boolean result = false;

    FTPClientConfig config = new FTPClientConfig(FTPClientConfig.SYST_UNIX);
    {
        // config.set
    }

    try {

        System.out.println("FTPS connecting...");
        //ftp.configure(config);
        System.out.println(connectInfo.get(FTP.HOST)+", "+connectInfo.get(FTP.PORT));
        //ftp.connect(connectInfo.get(FTP.HOST));

        File storeFile = new File("C:\Users\Administrator\Desktop\MOCOMSYS\====WORK====\MI\ETC\tmp\vsftpd.p12");

        KeyStore keyStore=null;
        X509TrustManager defaultTrustManager=null;
        try {
            keyStore = loadStore("JKS", storeFile, "mocomsys1");
            defaultTrustManager = TrustManagerUtils.getDefaultTrustManager(keyStore);
        } catch (KeyStoreException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (GeneralSecurityException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        //******whatever i use trustmanager or not, i can access 21port and cant access 990 port.******
        //ftp.setTrustManager(defaultTrustManager);

        ftp.connect(connectInfo.get(FTP.HOST), Integer.parseInt(connectInfo.get(FTP.PORT)));
        System.out.println(FTPReply.isPositiveCompletion(ftp.getReplyCode()));

        ftp.setSoLinger(true, 1000);
        ftp.setSoTimeout(Integer.parseInt(connectInfo.get(FTP.TIMEOUT)));
        System.out.println("~~~~~~~~~~~~~~~~~~");
        System.out.println(ftp.getAuthValue());
        System.out.println(ftp.getLocalPort());
        System.out.println(ftp.getPassivePort());
        System.out.println(ftp.getRemotePort());
        System.out.println(ftp.getSystemName());
        System.out.println(ftp.getSystemType());
        System.out.println(ftp.getRemoteAddress());


        result = ftp.login(connectInfo.get(FTP.USERNAME), connectInfo.get(FTP.PASSWORD));

        ftp.execPBSZ(0);
        ftp.execPROT("P");
        ftp.enterLocalPassiveMode();

        System.out.println("FTPS connection : "+result);
        // FileEntryParser

    } catch (NumberFormatException e) {
        throw new FTPException(e);
    } catch (SocketException e) {
        throw new FTPException(e);
    } catch (IOException e) {
        throw new FTPException(e);
    }

    return result;
}