public void start() throws Exception {
        // start registry
        if (serviceRegistryClass != null) {
            serviceRegistry = serviceRegistryClass.newInstance();
            serviceRegistry.start(serviceRegistryParam);
        }
    }
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