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记录时间：2025-09-11 16:25:01,884 
线程ID:[17] 
日志级别：  ERROR 
出错类：BW.Cloud.BLL.QianTai.PublicDataBLL property: [(null)] - 
错误描述：Error
System.ServiceModel.ProtocolException: 远程服务器返回了意外响应: (502) Bad Gateway。 ---> System.Net.WebException: 远程服务器返回错误: (502) 错误的网关。
   在 System.Net.HttpWebRequest.GetResponse()
   在 System.ServiceModel.Channels.HttpChannelFactory`1.HttpRequestChannel.HttpChannelRequest.WaitForReply(TimeSpan timeout)
   --- 内部异常堆栈跟踪的结尾 ---

Server stack trace: 
   在 System.ServiceModel.Channels.HttpChannelUtilities.ValidateRequestReplyResponse(HttpWebRequest request, HttpWebResponse response, HttpChannelFactory`1 factory, WebException responseException, ChannelBinding channelBinding)
   在 System.ServiceModel.Channels.HttpChannelFactory`1.HttpRequestChannel.HttpChannelRequest.WaitForReply(TimeSpan timeout)
   在 System.ServiceModel.Channels.RequestChannel.Request(Message message, TimeSpan timeout)
   在 System.ServiceModel.Dispatcher.RequestChannelBinder.Request(Message message, TimeSpan timeout)
   在 System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout)
   在 System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation)
   在 System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message)

Exception rethrown at [0]: 
   在 System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
   在 System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)
   在 BW.Cloud.BLL.bwgds.BWServiceSoap.GetGoodsInfosJson(GetGoodsInfosJsonRequest request)
   在 BW.Cloud.BLL.bwgds.BWServiceSoapClient.BW.Cloud.BLL.bwgds.BWServiceSoap.GetGoodsInfosJson(GetGoodsInfosJsonRequest request)
   在 BW.Cloud.BLL.bwgds.BWServiceSoapClient.GetGoodsInfosJson(String securityCode, String barcode, String& gdInfos, String& errMsg)
   在 BW.Cloud.BLL.QianTai.PublicDataBLL.SelServer(bi_item_publicParam param)