code: protected void handleInvocationResponse (int reqId, int methodId, Object[] args)
      {
          // look up the invocation marshaller registered for that response
          ListenerMarshaller listener = _listeners.remove(reqId);
          if (listener == null) {
              log.warning("Received invocation response for which we have no registered listener. " +
                          "It is possible that this listener was flushed because the response did " +
                          "not arrive within " + _listenerMaxAge + " milliseconds.",
                          "reqId", reqId, "methId", methodId, "args", args);
              return;
          }
  
  //         log.info("Dispatching invocation response", "listener", listener,
  //                  "methId", methodId, "args", args);
  
          // dispatch the response
          try {
              listener.dispatchResponse(methodId, args);
          } catch (Throwable t) {
              log.warning("Invocation response listener choked", "listener", listener,
                          "methId", methodId, "args", args, t);
          }
  
          // flush expired listeners periodically
          long now = System.currentTimeMillis();
          if (now - _lastFlushTime > LISTENER_FLUSH_INTERVAL) {
              _lastFlushTime = now;
              flushListeners(now);
          }
      }
docs: Dispatches an invocation response.