}
@Test(expected = IllegalArgumentException.class)
public void testExportUrlNull() {
RegistryProtocol registryProtocol = new RegistryProtocol();
registryProtocol.setCluster(new FailfastCluster());
Protocol dubboProtocol = DubboProtocol.getDubboProtocol();
registryProtocol.setProtocol(dubboProtocol);
Invoker<DemoService> invoker = new DubboInvoker<DemoService>(DemoService.class,
registryUrl, new ExchangeClient[] { new MockedClient("10.20.20.20", 2222, true) });