} else {
// HA case
FailoverProxyProvider<T> failoverProxyProvider = NameNodeProxies
.createFailoverProxyProvider(conf, failoverProxyProviderClass, xface,
nameNodeUri);
Conf config = new Conf(conf);
T proxy = (T) RetryProxy.create(xface, failoverProxyProvider, RetryPolicies
.failoverOnNetworkException(RetryPolicies.TRY_ONCE_THEN_FAIL,
config.maxFailoverAttempts, config.failoverSleepBaseMillis,
config.failoverSleepMaxMillis));