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https://issues.apache.org/jira/browse/SSHD-922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16890805#comment-16890805
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Zabee Ulla commented on SSHD-922:
---------------------------------
Thank you.
> CD - change directory is not working. clientSession.executeRemoteCommand("cd
> " + directory)
> -------------------------------------------------------------------------------------------
>
> 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
> Assignee: Goldstein Lyor
> Priority: Blocker
>
> I am writing an SSHD client to execute BASH commands on a remove Linux VM. My
> functionality requires to change directories at several points.
> I have written and using below code and not finding change directory working.
> I tried a few other Linux commands and am able to execute them perfectly
> except change directory.
> This is a blocker for me to embed and implement Apache SSHD client for my
> application.
> Please note that "pwd" output is same before and after
> _+*session.executeRemoteCommand("cd " + argDirectory);*+_'s execution.
> /**
> * An implementation of an SFTP client that uses the Apache Mina library.
> */
> public class MinaSftp {
> _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);_
> _}_
> _}_
> 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 shellChannel;
> private SshClient _client;
> // Some valid port number
> private int portNumber = 8999;
>
> public void connect()
> throws IOException {
> _client = SshClient.setUpDefaultClient();
> _client.start();
> ConnectFuture connectFuture = _client.connect(_username, _host, portNumber);
> connectFuture.await();
> _session = connectFuture.getSession();
> shellChannel = _session.createShellChannel();
> _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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