我正在使用来自 ASP.NET 网站的股票 SignalR 示例:
http://www.asp.net/signalr/overview/signalr-20/getting-started-with-signalr-20/tutorial-server-broadcast-with-signalr-20
服务器运行良好,JavaScript 客户端正常工作并相互通信。服务器和 JavaScript 客户端在 IIS 上运行。
JavaScript 客户端位于:
http://192.168.1.5:8080/RTStreamer/SignalR.Sample/StockTicker.html
现在我正在尝试做一个 C# Windows 窗体客户端,但没有成功:
private void Form1_Load(object sender, EventArgs e)
{
var connection = new HubConnection("http://192.168.1.5:8080/RTStreamer/signalr");
IHubProxy proxy = connection.CreateHubProxy("StockTickerHub");
try
{
connection.Start().Wait();
var stocks = proxy.Invoke<IEnumerable<Stock>>("GetAllStocks").Result;
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
我在尝试 connection.Start() 时遇到此错误:
System.AggregateException: One or more errors occurred. ---> Microsoft.AspNet.SignalR.Client.HttpClientException: StatusCode: 500, ReasonPhrase: 'Internal Server Error', Version: 1.1, Content: System.Net.Http.StreamContent, Headers:
{
Transfer-Encoding: chunked
Cache-Control: private
Date: Tue, 12 Aug 2014 13:46:31 GMT
Server: Microsoft-IIS/8.5
X-AspNet-Version: 4.0.30319
X-Powered-By: ASP.NET
Content-Type: text/html; charset=utf-8
}
at Microsoft.AspNet.SignalR.Client.Http.DefaultHttpClient.<>c__DisplayClass2.<Get>b__1(HttpResponseMessage responseMessage)
at Microsoft.AspNet.SignalR.TaskAsyncHelper.<>c__DisplayClass19`2.<Then>b__17(Task`1 t)
at Microsoft.AspNet.SignalR.TaskAsyncHelper.TaskRunners`2.<>c__DisplayClass3a.<RunTask>b__39(Task`1 t)
--- End of inner exception stack trace ---
at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
at System.Threading.Tasks.Task.Wait()
at TraderClient.Form1.Form1_Load(Object sender, EventArgs e) in c:\Ark\Form1.cs:line 31
---> (Inner Exception #0) Microsoft.AspNet.SignalR.Client.HttpClientException: StatusCode: 500, ReasonPhrase: 'Internal Server Error', Version: 1.1, Content: System.Net.Http.StreamContent, Headers:
{
Transfer-Encoding: chunked
Cache-Control: private
Date: Tue, 12 Aug 2014 13:46:31 GMT
Server: Microsoft-IIS/8.5
X-AspNet-Version: 4.0.30319
X-Powered-By: ASP.NET
Content-Type: text/html; charset=utf-8
}
at Microsoft.AspNet.SignalR.Client.Http.DefaultHttpClient.<>c__DisplayClass2.<Get>b__1(HttpResponseMessage responseMessage)
at Microsoft.AspNet.SignalR.TaskAsyncHelper.<>c__DisplayClass19`2.<Then>b__17(Task`1 t)
at Microsoft.AspNet.SignalR.TaskAsyncHelper.TaskRunners`2.<>c__DisplayClass3a.<RunTask>b__39(Task`1 t)<---
这是中心代码:
namespace Microsoft.AspNet.SignalR.StockTicker
{
[HubName("stockTicker")]
public class StockTickerHub : Hub
{
private readonly StockTicker _stockTicker;
public StockTickerHub()
: this(StockTicker.Instance)
{
}
public StockTickerHub(StockTicker stockTicker)
{
_stockTicker = stockTicker;
}
public IEnumerable<StockQuote> GetAllStocks()
{
return _stockTicker.GetAllStocks();
}
...
}
}
最佳答案
完全按照链接文章设置项目后,适用于我的 .NET 客户端具有以下代码:
var connection = new HubConnection("http://localhost:65069/");
IHubProxy proxy = connection.CreateHubProxy("stockTickerMini");
try
{
connection.Start().Wait();
var stocks = proxy.Invoke<IEnumerable<Stock>>("GetAllStocks").Result;
}
...
在我的示例中,StockTicker.html
页面位于 http://localhost:65069/StockTicker.html
并且集线器名称是 stockTickerMini
根据属性。
在您的情况下,以下值应该是正确的:
var connection = new HubConnection("http://192.168.1.5:8080/RTStreamer");
IHubProxy proxy = connection.CreateHubProxy("stockTicker");
关于javascript - 尝试使用 connection.Start() 连接到服务器时出现 SignalR 客户端错误,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/25266322/