code: @Activate
      protected void activate(Map<String, Object> properties) throws Exception {
          this.host = (String) properties.get("host");
          Integer iiopPort = (Integer) properties.get("iiopPort");
          this.iiopPort = iiopPort == null ? -1 : iiopPort;
  
          iiopsOptions = Nester.nest("iiopsOptions", properties);
      }
docs: Start the ORB associated with this bean instance.
  
  @exception Exception