Java

Disconnect from an SFTP Server

Demonstrates the Chilkat SFtp.Disconnect method, which closes the current SSH/SFTP connection. It takes no arguments. All remote file and directory handles from the session become invalid and must not be reused.

Background: Disconnecting releases the SSH transport and every SFTP handle opened on it. The object itself stays reusable, but a later session must repeat the full setup — Connect, authenticate, then InitializeSftp — because the SFTP subsystem does not survive a disconnect.

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Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.SFtp;

public class ChilkatExample {

    public static void main(String[] args) {
        // Demonstrates the SFtp.Disconnect method, which closes the current SSH/SFTP connection.  It
        // takes no arguments.  All remote file and directory handles from the session become invalid.

        SFtp sftp = new SFtp();

        // Step 1: Connect the SSH transport.  Port 22 is the usual port.
        int port = 22;
        try {
            sftp.connect("sftp.example.com", port);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Normally you would not hard-code the password in source.  You should instead obtain it
        // from an interactive prompt, environment variable, or a secrets vault.
        String password = "mySshPassword";

        try {
            sftp.authenticatePw("mySshLogin", password);

            // Step 3: Open the SFTP subsystem.  This must be done after authentication and before any
            // file or directory operations.
            sftp.initializeSftp();
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // ... perform SFTP operations ...

        // Close the connection.  The object remains reusable: a later session must Connect,
        // authenticate, and InitializeSftp again.
        sftp.disconnect();
    }
}