“请求失败，响应为空。”从VM迁移到Azure应用服务后，某些系统中的SOAP请求错误。

Question

"The request failed with an empty response." web service SOAP request error in SOME SYSTEM after moving to azure app service from Azure VM.

Azure log Stack Trace

at System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall) at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters) at ................

System OS : Microsoft Windows NT

Application : Outlook plugin (WPF)

Answer 1

After we move our web service to Azure app service from VM, we need to modify the endpoint address to be the correct URL in Web.config .

We can find the web service endpoint address as below:

Please check if this endpoint address is correct. It may look like: https://WebAppname.azurewebsites.net/yourWebService.asmx