getMessageAddress());
getAgentIdentifier());
  protected Set getTargets() {    // get local agent addresses    AgentContainer agentContainer = ncs.getRootContainer();    if (agentContainer == null) {      if (logger.isErrorEnabled()) {        logger.error(            "Unable to list local agents on node "+            getMessageAddress());      }      return Collections.EMPTY_SET;    } else {      return agentContainer.getAgentAddresses();    }  }