private void bootstrap(){
  List<String> keysToProcess=new LinkedList<>();
  keysToProcess.add(SERVER_URL_OPT);
  processConfigMessages(keysToProcess);
  if (coordinatorServerURL == null) {
    throw new IllegalStateException("coordinator server url is null, while the bootstrap has finished ");
  }
  log.info("Config manager bootstrapped");
}

private void bootstrap ( ) { List < String > keysToProcess = new LinkedList < > ( ) ; keysToProcess . add ( SERVER_URL_OPT ) ; processConfigMessages ( keysToProcess ) ; if ( coordinatorServerURL == null ) { throw new IllegalStateException ( "coordinator server url is null, while the bootstrap has finished " ) ; } log . info ( "Config manager bootstrapped" ) ; }
this function will bootstrap by reading all the unread messages until the moment of calling the function , and therefore find the server url .
