code: @Override
      public Broadcastable openChannel(String ccid, Integer cacheIndex, String atmosphereTrackingId) {
          throw new JoynrCommunicationException("No channels can't be opened on bounce proxy controller, only on bounce proxies.");
      }
docs: /*
  (non-Javadoc)
  
  @see
  io.joynr.messaging.service.ChannelServiceDelegate#openChannel(java.lang
  .String, java.lang.Integer, java.lang.String)