yarnRegistryOperations.deleteChildren( yarnRegistryOperations.getSelfRegistrationPath(), true);
yarnRegistryOperations.deleteChildren( yarnRegistryOperations.getSelfRegistrationPath(), true);
yarnRegistryOperations.deleteChildren( yarnRegistryOperations.getSelfRegistrationPath(), true);
yarnRegistryOperations.deleteChildren( yarnRegistryOperations.getSelfRegistrationPath(), true);