public void stopCallbackThreadPool() {
        if (responseCallbackThreadPool != null) {
            responseCallbackThreadPool.shutdown();
        }
    }
xxl-rpc invoker factory, init service-registry

@author xuxueli 2018-10-19
larkmidtable-web/larkmt-rpc/src/main/java/com/larkmidtable/rpc/remoting/invoker/XxlRpcInvokerFactory.java