@Override
  public void start() throws Exception {
    // backward compatibility with the legacy class name
    Items.XSTREAM.alias(
        "hudson.plugins.sauce_ondemand.SoDBuildWrapper", SauceOnDemandBuildWrapper.class);
    Items.XSTREAM.alias(
        "hudson.plugins.sauce__ondemand.SoDBuildWrapper", SauceOnDemandBuildWrapper.class);
    // the real name must be registered at the end
    Items.XSTREAM.alias(
        "hudson.plugins.sauce_ondemand.SauceOnDemandBuildWrapper", SauceOnDemandBuildWrapper.class);

    load();
    HudsonSauceManagerFactory.getInstance().start();
  }