ConnectFailReason

The ConnectFailReason property can be examined to determine the reason why the Connect method failed. The possible values are listed in the source code below:

Download Chilkat Java Library

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    CkFtp2 ftp = new CkFtp2();

    boolean success;

    //  Any string unlocks the component for the 1st 30-days.
    success = ftp.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        System.out.println(ftp.lastErrorText());
        return;
    }

    ftp.put_Hostname("ftp.****.com");
    ftp.put_Username("****");
    ftp.put_Password("****");

    //  Connect and login to the FTP server.
    success = ftp.Connect();
    if (success != true) {

        //  The possible failure reasons are:
        //  0 = success
        //  Non-SSL socket fail reasons:
        //   1 = empty hostname
        //   2 = DNS lookup failed
        //   3 = DNS timeout
        //   4 = Aborted by application.
        //   5 = Internal failure.
        //   6 = Connect Timed Out
        //   7 = Connect Rejected (or failed for some other reason)
        //  SSL failure reasons:
        //   100 = Internal schannel error
        //   101 = Failed to create credentials
        //   102 = Failed to send initial message to proxy.
        //   103 = Handshake failed.
        //   104 = Failed to obtain remote certificate.
        //  300 = asynch op in progress
        //  301 = login failure.
        // 
        int failReason;
        failReason = (int) ftp.get_ConnectFailReason();

        System.out.println("connect fail reason = "
             + failReason);

        System.out.println(ftp.lastErrorText());
        return;
    }

    //  ...

  }
}