[jira] [Created] (SSHD-922) CD - change director is not working. clientSession.executeRemoteCommand("cd " + argDirectory)

["Zabee Ulla (JIRA)" <ji...@apache.org>]

Zabee Ulla created SSHD-922:
-------------------------------

             Summary: CD - change director is not working. clientSession.executeRemoteCommand("cd " + argDirectory)
                 Key: SSHD-922
                 URL: https://issues.apache.org/jira/browse/SSHD-922
             Project: MINA SSHD
          Issue Type: Bug
    Affects Versions: 2.2.0
         Environment: Trying to connect to a Linux VM from Windows OS
            Reporter: Zabee Ulla


I am writing an SSHD client to execute remote Linux commands. My functionality requires to change directories at several points. I have written and using below code and not finding change directory working. I tried few other Linux commands and am able to execute them perfectly except change directory.

/**
 * An implementation of an SFTP client that uses the Apache Mina library.
 */
public class MinaSftp {

private static Collection<ClientChannelEvent> ccEvents = Arrays.asList(ClientChannelEvent.CLOSED);

private String _username = "userName";
 private String _password = "password";
 private String _host = "aValidHostName";
 private ClientSession _session;
 private ClientChannel _channel;
 private SshClient _client;

// Some valid port number
 private int portNumber = 8999;

_public void changeRemoteDirectory(String argDirectory)_
 _throws IOException {_
 _try {_
 _System.out.println("Present working direcotry :\n " + _session.executeRemoteCommand("pwd"));_

_+*String output = _session.executeRemoteCommand("cd " + argDirectory);*+_

_System.out.println("Present working direcotry :\n " + _session.executeRemoteCommand("pwd"));_
 _System.out.println("Change directory output: " + output);_
 _}_
 _catch (IOException ex) {_
 _handleException(ex, action);_
 _}_
 _}_

public void connect()
 throws IOException {

_client = SshClient.setUpDefaultClient();
 _client.start();

ConnectFuture connectFuture = _client.connect(_username, _host, portNumber);
 connectFuture.await();
 _session = connectFuture.getSession();
 _channel = _session.createChannel(ClientChannel.CHANNEL_SHELL);
 _session.addPasswordIdentity(_password);

// TODO : fix timeout
 _session.auth().verify(Integer.MAX_VALUE);

if (_session.isAuthenticated()) {
 System.out.println("Authentication successful");
 }
 else {
 System.out.println("Authentication failed");
 }

_channel.waitFor(ccEvents, 200);
 }

public void disconnect() {
 LOG.debug("Disconnecting from the SFTP host.");

// Disconnecting the session disconnects all of the connected channels as well.
 if (_channel != null) {
 try {
 _channel.close();
 }
 catch (Exception e) {
 // Do nothing. This is okay.
 }
 }
 if (_session != null) {
 _session.close(false);
 }
 if (_client != null) {
 _client.stop();
 }

}

private void handleException(Exception argEx, String argAction)
 throws IOException {
 throw LOG.throwing(new IOException(argAction + " on the SFTP host threw an exception.", argEx));
 }
}



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