code: public void addSocketBinding(String socketBindingGroupName, String socketBindingName, int port) throws Exception {
          addSocketBinding(socketBindingGroupName, socketBindingName, null, port);
      }
docs: Adds a socket binding with the given name in the named socket binding group.
  If a socket binding with the given name already exists, this method does nothing.
  
  @param socketBindingGroupName the name of the socket binding group in which to create the named socket binding
  @param socketBindingName the name of the socket binding to be created with the given port
  @param port the port number
  @throws Exception any error