XLog.Info.get().setParameter(DagXLogInfoService.TOKEN, conf.get(OozieClient.LOG_TOKEN));
String user = conf.get(OozieClient.USER_NAME);
URI uri = new URI(conf.get(OozieClient.APP_PATH));
HadoopAccessorService has = Services.get().get(HadoopAccessorService.class);
Configuration fsConf = has.createJobConf(uri.getAuthority());
FileSystem fs = has.createFileSystem(user, uri, fsConf);
Path configDefault = null;
Configuration defaultConf = null;
// app path could be a directory
Path path = new Path(uri.getPath());