Getting an error after sending a request to web server-Collection of common programming errors

11 years ago

admin

3 minutes

Guys I am getting the following error on sending xml based request to a server. Could you help me to understand the stack trace?

The remote server returned an error:

(500) Internal Server Error.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Net.WebException: The remote server returned an error: (500) Internal > > Server Error.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[WebException: The remote server returned an error: (500) Internal Server Error.]
   System.Net.WebClient.UploadDataInternal(Uri address, String method, Byte[] data, WebRequest& request) +302
   System.Net.WebClient.UploadData(Uri address, String method, Byte[] data) +158
   System.Net.WebClient.UploadData(String address, Byte[] data) +34
   WebApplication1._Default.btnSearch_Click(Object sender, EventArgs e) in C:\Users\Mubashir\Documents\Visual Studio 2008\Projects\WebApplication1\WebApplication1\Default.aspx.vb:64
   System.Web.UI.WebControls.Button.OnClick(EventArgs e) +111
   System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +110
   System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10
   System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13
   System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +36
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1565

Version Information:

Microsoft .NET Framework Version: 2.0.50727.3623;
ASP.NET Version: 2.0.50727.5053

this is my code

Protected Sub btnSearch_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnSearch.Click
        Dim s = ""
        s = s & "" & vbCrLf

        s = s & ""
        s = s & "" & vbCrLf

        s = s & "" & vbCrLf
        s = s & "" & vbCrLf
        s = s & "" & vbCrLf
        s = s & "" & vbCrLf
        s = s & "" & vbCrLf



        s = s & "" & vbCrLf
        s = s & "" & vbCrLf
        s = s & "" & vbCrLf
        s = s & "" & vbCrLf
        s = s & "" & vbCrLf
        s = s & "" & txtDeparture.Text & "" & vbCrLf
        s = s & "" & drpFrom.SelectedValue & "" & vbCrLf
        s = s & "" & drpTo.SelectedValue & "" & vbCrLf
        s = s & "" & vbCrLf

        s = s & "" & vbCrLf
        s = s & "" & vbCrLf
        s = s & "" & vbCrLf
        s = s & "" & vbCrLf
        s = s & "" & vbCrLf

        s = s & "" & vbCrLf
        s = s & "" & vbCrLf
        s = s & "" & vbCrLf
        s = s & "" & vbCrLf
        s = s & "" & vbCrLf
        s = s & "" & vbCrLf
        s = s & "" & vbCrLf
        s = s & "" & vbCrLf

        Dim url = "http://203.189.91.127:9090/services/spm/spm"

        Dim doc As New XmlDocument()

        doc.LoadXml(s)

        Dim req As HttpWebRequest = WebRequest.Create(url)
        req.Headers.Add("SOAPAction", "")

        req.ContentType = "text/xml;charset=""utf-8"""
        req.Accept = "text/xml"
        req.Method = "POST"
        Dim stm As Stream = req.GetRequestStream()
        doc.Save(stm)
        stm.Close()
        Dim resp As WebResponse = req.GetResponse()
        stm = resp.GetResponseStream()
        Dim r As StreamReader = New StreamReader(stm)
        'process SOAP return doc here. For now, we'll just send the XML out to the browser ...
        Response.Write(r.ReadToEnd())



    End Sub

this is my xml that I am sending :













20/02/2013
BLR
GOI