@Override
    protected void serviceStop() throws Exception {
        if (server != null) {
            server.stop();
        }
        if (webApp != null) {
            webApp.stop();
        }
        super.serviceStop();
    }
This module is responsible for talking to the
JobClient (user facing).
history-server/src/main/java/net/qihoo/hbox/jobhistory/HistoryClientService.java