public InetSocketAddress[] discoverNodes() {
StaticLocator subLocator = new StaticLocator();
HttpClient httpCli = new HttpClient();
ScspHeaders metaData = new ScspHeaders();
subLocator.addAddress(proxyAddr, proxyPort);
if (0 < clusterName.length()) {
metaData.addValue("Scsp-Proxy-Cluster", clusterName);
}