It's really hard to tell without more informations. Make sure you enabled sftp support on the sshd server side, maybe provide the sshd logs at debug level in order to see what happen. Last, maybe a good way would be to provide a test case that I could run to replicate your problem.
On Thu, Apr 12, 2012 at 15:09, manojkumar16 <[email protected]> wrote: > > Hi Guillaume, > There is no such thing... I will surely use the mailing lists for further > communications. > Long time back I asked for the help regarding the implementation of > sftpclient using apache sshd library... > My plan is to execute sftp commands in sftp subsystem mode. > In my entry class, I have added chunk of code shown below: > > ClientChannel channel = > session.createSubsystemChannel( "sftp" ); > InputStream in = new ByteArrayInputStream( > "ls".getBytes() ); > channel.setIn(in); > channel.setOut(System.out); > channel.setErr(System.err); > channel.open().await(); > > And in ChannelSubsystem.java class, below api is provided: > > protected void doOpen() throws Exception { > super.doOpen(); > log.info("Send SSH_MSG_CHANNEL_REQUEST subsystem..."); > Buffer buffer = > session.createBuffer(SshConstants.Message.SSH_MSG_CHANNEL_REQUEST, 0); > buffer.putInt(recipient); > buffer.putString("subsystem"); > buffer.putBoolean(true); > buffer.putString(subsystem); > session.writePacket(buffer); > } > > > After executing the entry class I got following logs: > 2012-04-12 18:25:14,106 [main ] INFO ChannelSubsystem > - Send SSH_MSG_CHANNEL_OPEN on channel 0 > 2012-04-12 18:25:18,202 [NioProcessor-2 ] INFO ClientSessionImpl > - Received SSH_MSG_CHANNEL_OPEN_CONFIRMATION on channel 0 > 2012-04-12 18:25:18,204 [NioProcessor-2 ] INFO ChannelSubsystem > - Send SSH_MSG_CHANNEL_REQUEST subsystem... > 2012-04-12 18:25:18,227 [NioProcessor-2 ] INFO ClientSessionImpl > - Closing session > 2012-04-12 18:25:18,230 [NioProcessor-2 ] INFO ChannelSubsystem > - Closing channel 0 immediately > > > My question here is, why is it closing the session after sending > SSH_MSG_CHANNEL_REQUEST for subsystem? > > > > gnodet wrote: > > > > Unless there's a need for secrecy, using the mailing lists is usually a > > good idea so that everyone can get involved. > > > > On Thu, Apr 12, 2012 at 14:47, manojkumar16 <[email protected]> > > wrote: > > > >> > >> Actually, I do not want to use Jsch library... Since, Apache sshd has > >> provided well-written ssh library for both client and server, I want to > >> focus more on implementing sftp client using apache sshd library. > >> Can you reach me on [email protected] so that I can explain you > >> exactly > >> what I am doing for sftp client implementation using apache sshd > library? > >> > >> > >> David Latorre wrote: > >> > > >> > For SFTP-client support there are several options, in our case, we use > >> > apache commons vfs with JSCH libraries. Would that work for you? > >> > > >> > > >> > > >> > > >> > 2012/1/23 Guillaume Nodet <[email protected]>: > >> >> Oh, I missed you were talking about sftp. The problem is that we've > >> >> mostly focused on the server side, so the client side is still > lacking > >> >> lots of features. And the sftp support is one of them unfortunately. > >> >> > >> >> > >> >> On Mon, Jan 23, 2012 at 09:48, Guillaume Nodet <[email protected]> > >> wrote: > >> >>> You can find a real working example of using the client side in > >> Apache > >> >>> Karaf: > >> >>> > >> > https://github.com/apache/karaf/blob/trunk/client/src/main/java/org/apache/karaf/client/Main.java > >> >>> > >> >>> The basic idea is to open a channel which is either a "shell" > channel > >> >>> for an interactive session or an "exec" channel to execute a single > >> >>> command and exit without any user interaction. > >> >>> The channel has an input stream and two output streams (out and err) > >> >>> which you can set to redirect to the default System.out and > >> System.err > >> >>> or to your own in-memory stream or whatever kind of streams you > want. > >> >>> > >> >>> On Mon, Jan 23, 2012 at 08:16, manoj kumar <[email protected]> > >> >>> wrote: > >> >>>> Hi, > >> >>>> > >> >>>> I want to write sftp Client using apache-sshd mina client api. I am > >> >>>> able to > >> >>>> connect to sftp server using apache ssh client but I do not have > any > >> >>>> idea > >> >>>> how to send sftp command to apache sshd server and how do I get > >> result > >> >>>> of > >> >>>> sftp client. I am totally lost. Please guide me. I have confusion > on > >> >>>> below > >> >>>> code: > >> >>>> > >> >>>> SshClient client = SshClient.setUpDefaultClient(); > >> >>>> client.start(); > >> >>>> ClientSession session = client.connect("localhost", > >> >>>> port).await().getSession(); > >> >>>> session.authPassword("smx", "smx"); > >> >>>> ClientChannel channel = > >> >>>> session.createChannel(ClientChannel.CHANNEL_SHELL); > >> >>>> ByteArrayOutputStream sent = new ByteArrayOutputStream(); > >> >>>> PipedOutputStream pipedIn = new TeePipedOutputStream(sent); > >> >>>> channel.setIn(new PipedInputStream(pipedIn)); > >> >>>> ByteArrayOutputStream out = new ByteArrayOutputStream(); > >> >>>> ByteArrayOutputStream err = new ByteArrayOutputStream(); > >> >>>> channel.setOut(out); > >> >>>> channel.setErr(err); > >> >>>> channel.open().await(); > >> >>>> > >> >>>> -- > >> >>>> Thanks and Regards, > >> >>>> Manoj Kumar > >> >>>> 9535214528 > >> >>> > >> >>> > >> >>> > >> >>> -- > >> >>> ------------------------ > >> >>> Guillaume Nodet > >> >>> ------------------------ > >> >>> Blog: http://gnodet.blogspot.com/ > >> >>> ------------------------ > >> >>> FuseSource, Integration everywhere > >> >>> http://fusesource.com > >> >> > >> >> > >> >> > >> >> -- > >> >> ------------------------ > >> >> Guillaume Nodet > >> >> ------------------------ > >> >> Blog: http://gnodet.blogspot.com/ > >> >> ------------------------ > >> >> FuseSource, Integration everywhere > >> >> http://fusesource.com > >> > > >> > > >> > >> -- > >> View this message in context: > >> > http://old.nabble.com/sshClient-in-apache-sshd-mina-tp33186423p33675023.html > >> Sent from the Apache MINA User Forum mailing list archive at Nabble.com. > >> > >> > > > > > > -- > > ------------------------ > > Guillaume Nodet > > ------------------------ > > Blog: http://gnodet.blogspot.com/ > > ------------------------ > > FuseSource, Integration everywhere > > http://fusesource.com > > > > > > -- > View this message in context: > http://old.nabble.com/sshClient-in-apache-sshd-mina-tp33186423p33675184.html > Sent from the Apache MINA User Forum mailing list archive at Nabble.com. > > -- ------------------------ Guillaume Nodet ------------------------ Blog: http://gnodet.blogspot.com/ ------------------------ FuseSource, Integration everywhere http://fusesource.com
