@Override
    protected void initChannel(Channel ch) throws Exception {
        // Configure our pipeline of ChannelHandlerS.
        ChannelPipeline pipeline = ch.pipeline();

        storeChannel(ch);
        addTimeoutHandlers(pipeline);
        addPassportHandler(pipeline);
        addTcpRelatedHandlers(pipeline);
        addHttp1Handlers(pipeline);
        addHttpRelatedHandlers(pipeline);
        addZuulHandlers(pipeline);
    }
Use {@link #ZuulServerChannelInitializer(String, ChannelConfig, ChannelConfig, ChannelGroup)} instead.
zuul-core/src/main/java/com/netflix/zuul/netty/server/ZuulServerChannelInitializer.java