log.info(" - initialize nodekeeper connection for instance {} (cluster {})",configurationService.getStringConfiguration(ZK_INSTANCE), configurationService.getStringConfiguration(ZK_CLUSTER));
try {
nodeKeeper = new NodeKeeper(connectionString,configurationService.getIntConfiguration(ZK_TIMEOUT, 60000),properties, null);
initZooKeeper();
String uuid = configurationService.getStringConfiguration(ZK_INSTANCE, UUID.randomUUID().toString());
String cluster = configurationService.getStringConfiguration(ZK_CLUSTER, "default");