// Stolen from NameNode so we have the same code in both places
defaultAddr = NetUtils.createSocketAddr(originalConf
.get(FSConstants.DFS_NAMENODE_HTTP_ADDRESS_KEY));
String defaultHttpAddress = defaultAddr.getHostName() + ":"
+ defaultAddr.getPort();
zk.clearPrimary(defaultHttpAddress);
aliases = conf.getStrings(FSConstants.DFS_HTTP_ALIASES);
if (aliases != null) {
for (String alias : aliases) {
zk.clearPrimary(alias);