Client found response content type of '', but expected 'text/xml'.

Question

I am getting this error" Client found response content type of '', but expected 'text/xml'." the whole description below: What is the possible reason of this reason and what mistake I have made. Please help to understand IDUPDF00_FEB21_20210216 TEST_DUP_ControlTotals.pdf System.InvalidOperationException: Client found response content type of '', but expected 'text/xml'. The request failed with an empty response. 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 ST_7abfb7b4ee6e4c71ad340cba45c7807e.RS2005.ReportingService2005.GetReportParameters(String Report, String HistoryID, Boolean ForRendering, ParameterValue[] Values, DataSourceCredentials[] Credentials) at ST_7abfb7b4ee6e4c71ad340cba45c7807e.ScriptMain.SaveReport(String localpath, String reportServiceURL, String reportServiceExecURL, String reportName, String ReportPath, Int32 FeedFileKey) IDUPDF00_FEB21_20210216 TEST_DUP_ErrorSummary.pdf System.InvalidOperationException: Client found response content type of '', but expected 'text/xml'. The request failed with an empty response. 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 ST_7abfb7b4ee6e4c71ad340cba45c7807e.RS2005.ReportingService2005.GetReportParameters(String Report, String HistoryID, Boolean ForRendering, ParameterValue[] Values, DataSourceCredentials[] Credentials) at ST_7abfb7b4ee6e4c71ad340cba45c7807e.ScriptMain.SaveReport(String localpath, String reportServiceURL, String reportServiceExecURL, String reportName, String ReportPath, Int32 FeedFileKey)

Answer 1

Hi @Shally Batra ,
According to your description, you come across an error “client found response content type of ", but expected 'text/xml'. The Request failed with an empty response.” when you open a report.

In Reporting Service, this error is caused by calling web services failure. For rendering a report, we should add execution endpoint to URL. ReportExecution2005 endpoint takes effect when developers customize report processing and rendering from a report server. In your scenario, the issue could be the wrong web services URL. The correct URL should looks like: http://hostname/ReportServer/ReportExecution2005.asmx.

For more information, please refer to these two similar threads below:
Client found response content type of '', but expected 'text/xml'

Reference:
Report Server Web Service Endpoints
Best Regards,
Joy

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