Jsch : Command Output unavailable

Question

I am trying to use jsch to connect to a remote switch and run some command and extract the output.

I am able to connect to the switch using , however the command output

Answer 1

Please try the code below - tested and working

    Channel channel = session.openChannel("shell");
    OutputStream ops = channel.getOutputStream();
    PrintStream ps = new PrintStream(ops);
    channel.connect();
    ps.println("pwd");
    ps.println("exit");
    ps.flush();
    ps.close();

    InputStream in = channel.getInputStream();
    BufferedReader reader = new BufferedReader(new InputStreamReader(in));
    System.out.println("Opening...");

    String jarOutput;
    while ((jarOutput = reader.readLine()) != null)
        System.out.println(jarOutput);
    reader.close();
    channel.disconnect();

Output -

Opening...
user@host:~> pwd
/home/user
user@host:~>
user@host:~> exit
logout