protected static DistributedFileSystem openConnection(String urlString)
throws java.net.URISyntaxException, java.io.IOException {
URI dfsUri = new URI(urlString);
Configuration dfsConf = new Configuration();
DistributedFileSystem dfs = new DistributedFileSystem();
dfs.initialize(dfsUri, dfsConf);
return dfs;
}
protected static boolean closeConnection(DistributedFileSystem dfs) {
if (dfs != null) {