On Fri, Jun 22, 2012 at 9:56 AM, Yuva <yuvachitra@gmail.com> wrote:
Could anyone help me on how to debug this.


A good start would be to enable logging so you know what's going on. See the Logging example:
http://www.jcraft.com/jsch/examples/Logger.java.html
Also, enable logging on your server.

This should help you find the problem. 

Shai
--
SPT - persistent SSH tunnels for android.