Add unit to the modules  
 dubbo-rpc/dubbo-rpc-hessian
   dubbo-rpc/dubbo-rpc-http
   dubbo-rpc/dubbo-rpc-injvm
@Override
    public <T> Invoker<T> refer(Class<T> serviceType, URL url) throws RpcException {
        return new InjvmInvoker<T>(serviceType, url, url.getServiceKey(), exporterMap);
    }
    public boolean isInjvmRefer(URL url) {
        final boolean isJvmRefer;
        String scope = url.getParameter(Constants.SCOPE_KEY);
        
        if (Constants.LOCAL_PROTOCOL.toString().equals(url.getProtocol())) {
            isJvmRefer = false;
        } else if (Constants.SCOPE_LOCAL.equals(scope) || (url.getParameter("injvm", false))) {
            
            
            isJvmRefer = true;
        } else if (Constants.SCOPE_REMOTE.equals(scope)) {
            
            isJvmRefer = false;
        } else if (url.getParameter(Constants.GENERIC_KEY, false)) {
            
            isJvmRefer = false;
        } else if (getExporter(exporterMap, url) != null) {
            
            isJvmRefer = true;
        } else {
            isJvmRefer = false;
        }
        return isJvmRefer;
    }
}