public void subscribeW( String name, Listener listener ) 
  throws InterruptedException {
    subscribeW( name, listener, null );
  }
public void subscribeW( String name, Listener listener ) 
  throws InterruptedException {
    subscribeW( name, listener, null );
  }
public void subscribeW ( String name , Listener listener ) throws InterruptedException { subscribeW ( name , listener , null ) ; }
Subscribe to a channel.  This method blocks until it receives a
receipt from the server.

@param name The name of the channel to listen on
@param listener A listener to receive messages sent to the channel
Subscribe to a channel . This method blocks until it receives a receipt from the server .