@Override
    protected void afterStop() {
        appContext.getChannelManager().stop();
        appContext.getMStatReporter().stop();
        appContext.getHttpCmdServer().stop();
    }
@author Robert HG (254963746@qq.com) on 7/23/14.
lts-jobtracker/src/main/java/com/github/ltsopensource/jobtracker/JobTracker.java