Invoker<IHelloService> cluster = getClusterInvoker(url);
URL mockUrl = URL.valueOf("mock://localhost/"+IHelloService.class.getName()
+"?getSomething.mock=return aa&getSomething3xx.mock=return xx&sayHello.mock=return ")
.addParameters(url.getParameters());
Protocol protocol = new MockProtocol();
Invoker<IHelloService> mInvoker1 = protocol.refer(IHelloService.class, mockUrl);
invokers.add(mInvoker1);
RpcInvocation invocation = new RpcInvocation();
invocation.setMethodName("sayHello");
Result ret = cluster.invoke(invocation);