private void createHttpFSServer() throws Exception {
    File homeDir = TestDirHelper.getTestDir();
    Assert.assertTrue(new File(homeDir, "conf").mkdir());
    Assert.assertTrue(new File(homeDir, "log").mkdir());
    Assert.assertTrue(new File(homeDir, "temp").mkdir());
    HttpFSServerWebApp.setHomeDirForCurrentThread(homeDir.getAbsolutePath());

    File secretFile = new File(new File(homeDir, "conf"), "secret");
    Writer w = new FileWriter(secretFile);
    w.write("secret");
    w.close();

    // HDFS configuration
    File hadoopConfDir = new File(new File(homeDir, "conf"), "hadoop-conf");
    hadoopConfDir.mkdirs();
    String fsDefaultName =
        TestHdfsHelper.getHdfsConf().get(CommonConfigurationKeysPublic.FS_DEFAULT_NAME_KEY);
    Configuration conf = new Configuration(false);
    conf.set(CommonConfigurationKeysPublic.FS_DEFAULT_NAME_KEY, fsDefaultName);
    File hdfsSite = new File(hadoopConfDir, "hdfs-site.xml");
    OutputStream os = new FileOutputStream(hdfsSite);
    conf.writeXml(os);
    os.close();

    conf = new Configuration(false);
    conf.set("httpfs.proxyuser.client.hosts", "*");
    conf.set("httpfs.proxyuser.client.groups", "*");

    conf.set("httpfs.authentication.type", "kerberos");

    conf.set("httpfs.authentication.signature.secret.file", secretFile.getAbsolutePath());
    File httpfsSite = new File(new File(homeDir, "conf"), "httpfs-site.xml");
    os = new FileOutputStream(httpfsSite);
    conf.writeXml(os);
    os.close();

    ClassLoader cl = Thread.currentThread().getContextClassLoader();
    URL url = cl.getResource("webapp");
    WebAppContext context = new WebAppContext(url.getPath(), "/webhdfs");
    Server server = TestJettyHelper.getJettyServer();
    server.addHandler(context);
    server.start();
    HttpFSServerWebApp.get().setAuthority(TestJettyHelper.getAuthority());
  }