Azure IoT 中心基本接收示例，AMQP 错误

Question

我正在深入研究 azure 物联网集线器和工作连接技术，使用此处找到的教程:https://azure.microsoft.com/nl-nl/documentation/articles/iot-hub-csharp-csharp-getstarted/

运行接收器示例时(本文这一部分:https://azure.microsoft.com/nl-nl/documentation/articles/iot-hub-csharp-csharp-getstarted/#receive-device-to-cloud-messages)

我收到一条错误消息:

var d2cPartitions = eventHubClient.GetRuntimeInformation().PartitionIds;

我收到此错误(完整的错误日志位于底部):

Message=An AMQP error occurred (condition='amqp:link:redirect').

我找不到导致此问题的原因，因为我使用了一个基本示例，并且我的集线器显示配置正确。顺便说一句，发送工作正常。 有人有想法吗？

完整的错误日志:

Microsoft.ServiceBus.Messaging.MessagingException was unhandled
  HResult=-2146233088
  IsTransient=true
  Message=An AMQP error occurred (condition='amqp:link:redirect').
  Source=Microsoft.ServiceBus
  StackTrace:
Server stack trace: 
Exception rethrown at [0]: 
   at Microsoft.ServiceBus.Common.AsyncResult.End[TAsyncResult](IAsyncResult result)
   at Microsoft.ServiceBus.Messaging.AmqpClient.AmqpManagementLink.EndCreateManagementLink(IAsyncResult result)
   at Microsoft.ServiceBus.Messaging.Amqp.FaultTolerantObject`1.CreateAsyncResult.<GetAsyncSteps>b__4(CreateAsyncResult thisPtr, IAsyncResult r)
   at Microsoft.ServiceBus.Messaging.IteratorAsyncResult`1.StepCallback(IAsyncResult result)
Exception rethrown at [1]: 
   at Microsoft.ServiceBus.Common.AsyncResult.End[TAsyncResult](IAsyncResult result)
   at Microsoft.ServiceBus.Common.AsyncResult`1.End(IAsyncResult asyncResult)
   at Microsoft.ServiceBus.Messaging.Amqp.FaultTolerantObject`1.OnEndCreateInstance(IAsyncResult asyncResult)
   at Microsoft.ServiceBus.Messaging.SingletonManager`1.EndGetInstance(IAsyncResult asyncResult)
   at Microsoft.ServiceBus.Messaging.AmqpClient.AmqpManagementLink.AmqpManagementOperationAsyncResult`1.<GetAsyncSteps>b__21(T thisPtr, IAsyncResult r)
   at Microsoft.ServiceBus.Messaging.IteratorAsyncResult`1.StepCallback(IAsyncResult result)
Exception rethrown at [2]: 
   at Microsoft.ServiceBus.Common.AsyncResult.End[TAsyncResult](IAsyncResult result)
   at Microsoft.ServiceBus.Messaging.Amqp.AmqpEventHubClient.GetRuntimeInfoAsyncResult.<GetAsyncSteps>b__18(GetRuntimeInfoAsyncResult thisPtr, IAsyncResult r)
   at Microsoft.ServiceBus.Messaging.IteratorAsyncResult`1.StepCallback(IAsyncResult result)
Exception rethrown at [3]: 
   at Microsoft.ServiceBus.Common.AsyncResult.End[TAsyncResult](IAsyncResult result)
   at Microsoft.ServiceBus.Messaging.IteratorAsyncResult`1.RunSynchronously()
   at Microsoft.ServiceBus.Messaging.Amqp.AmqpEventHubClient.GetRuntimeInformation()
   at ReadDeviceToCloudMessages.Program.Main(String[] args) in C:\Users\tmartena\documents\visual studio 2015\Projects\azureTestDevice\ReadDeviceToCloudMessages\Program.cs:line 21
   at System.AppDomain._nExecuteAssembly(RuntimeAssembly assembly, String[] args)
   at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)
   at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()
   at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Threading.ThreadHelper.ThreadStart()
InnerException:

Answer 1

您的问题来自您的企业代理。 通过将服务总线环境通信模式设置为 HTTP，您可以轻松定义 EventHubClient 的代理。 在你的 c# 中添加:

ServiceBusEnvironment.SystemConnectivity.Mode = ConnectivityMode.Http;

然后在您的 app.config 文件中添加:

 <system.net>
    <defaultProxy>
      <proxy bypassonlocal="True" proxyaddress="http://proxyadress:port" />
    </defaultProxy>
  </system.net>

希望对你有帮助