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我正在使用調用另一個Web服務的Web服務。我的應用程序可以在短時間內進行大量呼叫時運行場景。在某個時間點,Web Service開始拋出錯誤401 Unauthorized。這裏有詳細的錯誤:許多Web服務調用導致401未經授權的響應隨機
<Exception>
<Source>mscorlib</Source>
<Message>The HTTP request is unauthorized with client authentication scheme 'Negotiate'. The authentication header received from the server was 'Negotiate,NTLM'.</Message>
<Stack>
Server stack trace:
at System.ServiceModel.Channels.HttpChannelUtilities.ValidateAuthentication(HttpWebRequest request, HttpWebResponse response, WebException responseException, HttpChannelFactory`1 factory)
at System.ServiceModel.Channels.HttpChannelUtilities.ValidateRequestReplyResponse(HttpWebRequest request, HttpWebResponse response, HttpChannelFactory`1 factory, WebException responseException, ChannelBinding channelBinding)
at System.ServiceModel.Channels.HttpChannelFactory`1.HttpRequestChannel.HttpChannelRequest.WaitForReply(TimeSpan timeout)
at System.ServiceModel.Channels.RequestChannel.Request(Message message, TimeSpan timeout)
at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout)
at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation)
at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message)
Exception rethrown at [0]:
at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)
at KwikTagWebInterface.DMSWebSrv.IWOVServicesSoap.CreateDocuments(CreateDocumentsRequest request)
at KwikTagWebInterface.DMSWebSrv.WOVServicesSoapClient.CreateDocuments(CreateDocumentsInput CreateDocuments1)
at KwikTagWebInterface.Controllers.DMSConnector.CreateDocumentProforma(String profIndex, String matter, String userName)
at KwikTagWebInterface.KTWebServices.TagProformaECover(String profIndex, String matter, String userName, String userDomain)</Stack>
<InnerException>
<Source>System</Source>
<Message>The remote server returned an error: (401) Unauthorized.</Message>
<Stack> at System.Net.HttpWebRequest.GetResponse()
at System.ServiceModel.Channels.HttpChannelFactory`1.HttpRequestChannel.HttpChannelRequest.WaitForReply(TimeSpan timeout)</Stack>
</InnerException>
</Exception>
它引發了這樣的幾個錯誤,然後繼續工作就好了。這些電話之間絕對沒有區別,所以我不明白爲什麼有些電話可以正常工作,其中一些電話不工作。
這裏是我的配置:
<system.serviceModel>
<bindings>
<basicHttpBinding>
<binding name="IWOVServicesSoap" maxReceivedMessageSize="2097152" maxBufferSize="2097152" maxBufferPoolSize="2097152">
<security mode="TransportCredentialOnly">
<transport clientCredentialType="Windows" proxyCredentialType="None" realm="" />
<message clientCredentialType="UserName" algorithmSuite="Default" />
</security>
</binding>
</basicHttpBinding>
</bindings>
<client>
<endpoint address="http://Server/Application/Services/IWOVServices.asmx"
binding="basicHttpBinding" bindingConfiguration="IWOVServicesSoap"
contract="WebSrv.IWOVServicesSoap" name="IWOVServicesSoap" />
</client>
</system.serviceModel>
任何建議嗎?