a sample code for http://stackoverflow.com/questions/13804001/java-ganymed-ssh-hangs-while-reading-from-buffer

gistfile1.java

import com.jcraft.jsch.*;
import java.io.*;

public class Exec{
  public static void main(String[] arg){
    try{
      JSch jsch=new JSch();

      String host="127.0.0.1";
      String user="YYYYYYYYY";
      String passwd="XXXXXXXXX";

      Session session=jsch.getSession(user, host, 22);
      session.setPassword(passwd);
      session.setConfig("StrictHostKeyChecking",  "no");
      session.connect();

      String command="/bin/bash";

      Channel channel=session.openChannel("exec");
      ((ChannelExec)channel).setCommand(command);
      ((ChannelExec)channel).setPty(true);

      InputStream in=channel.getInputStream();
      OutputStream out=channel.getOutputStream();

      channel.connect();
      out.write("echo 'test'; exit\n".getBytes());
      out.flush();

      byte[] tmp=new byte[1024];
      while(true){
        while(in.available()>0){
          int i=in.read(tmp, 0, 1024);
          if(i<0)break;
          System.out.print(new String(tmp, 0, i));
        }
        if(channel.isClosed()){
          System.out.println("exit-status: "+channel.getExitStatus());
          break;
        }
        try{Thread.sleep(1000);}catch(Exception ee){}
      }
      System.out.println("finished");
      channel.disconnect();
      session.disconnect();
    }
    catch(Exception e){
      System.out.println(e);
    }
  }
}