private void forceQuit(){
  if (stdout != null) {
    stdout.close();
  }
  try {
    if (shell != null) {
      shell.disconnect();
    }
  }
 catch (  RuntimeException e) {
    LOG.error(e.getMessage(),e);
  }
 finally {
    shell=null;
  }
  try {
    if (session != null) {
      session.disconnect();
    }
  }
 catch (  RuntimeException e) {
    LOG.error(e.getMessage(),e);
  }
 finally {
    session=null;
  }
}

private void forceQuit ( ) { if ( stdout != null ) { stdout . close ( ) ; } try { if ( shell != null ) { shell . disconnect ( ) ; } } catch ( RuntimeException e ) { LOG . error ( e . getMessage ( ) , e ) ; } finally { shell = null ; } try { if ( session != null ) { session . disconnect ( ) ; } } catch ( RuntimeException e ) { LOG . error ( e . getMessage ( ) , e ) ; } finally { session = null ; } }
forcibly quits the session .
