(Java) 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:

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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[])
  {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkFtp2 ftp = new CkFtp2();

    ftp.put_Hostname("ftp.example.com");
    ftp.put_Username("login");
    ftp.put_Password("password");

    // Connect and login to the FTP server.
    boolean 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 = ftp.get_ConnectFailReason();

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

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

    // ..
  }
}