code: @Test public void testTimeOut(){
    HessianServiceImpl server=new HessianServiceImpl();
    ProxyFactory proxyFactory=ExtensionLoader.getExtensionLoader(ProxyFactory.class).getAdaptiveExtension();
    Protocol protocol=ExtensionLoader.getExtensionLoader(Protocol.class).getAdaptiveExtension();
    URL url=URL.valueOf("hessian://127.0.0.1:5342/" + HessianService.class.getName() + "?version=1.0.0&timeout=10");
    Exporter<HessianService> exporter=protocol.export(proxyFactory.getInvoker(server,HessianService.class,url));
    Invoker<HessianService> invoker=protocol.refer(HessianService.class,url);
    HessianService client=proxyFactory.getProxy(invoker);
    try {
      client.timeOut(6000);
      fail();
    }
   catch (  RpcException expected) {
      Assert.assertTrue(expected.isTimeout());
    }
   finally {
      invoker.destroy();
      exporter.unexport();
    }
  }
  