Apache throws: OK The Server encountered an internal error or misconfiguration and was unable to complete your request.

Hi Experts,

I have apache 2.2 server running my asp.net application (using mod_aspdotnet).

My application takes a dataset and generates a dynamic reportviewer object to output a local RDLC report to a comma-delimited file or a PDF file for display in the users browser.  The code to show comma-delimited data in the users browser works but I cannot get the PDF code block to work without Apache throwing back an error as below.  Does anyone have any ideas?  There are no errors in the error log on this one, just the message below.  I do not get any errors when executing this code in the development environment, just when trying to run my app from Apache.

OK
The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator, x@yz.com and inform them of the time the error occurred, and anything you might have done that may have caused the error.

More information about this error may be available in the server error log.

strReportPath &= ".\Reports\" & Session("ReportType") & "\" & sRptSubDirRoot & "\" & sRptName & ".rdlc"


        If Session("Export") = True Then

            Dim sb As New StringBuilder
            With DS.Tables(0)

                For Each col As DataColumn In .Columns
                    sb.Append(col.ColumnName)
                    If col.ColumnName <> .Columns(.Columns.Count - 1).ColumnName Then
                        sb.Append(",")
                    End If
                Next
                For Each dr As DataRow In .Rows
                    sb.Append(vbCrLf)
                    For Each col As DataColumn In .Columns
                        sb.Append(dr.Item(col.ColumnName))
                        If col.ColumnName <> .Columns(.Columns.Count - 1).ColumnName Then
                            sb.Append(",")
                        End If
                    Next
                Next


            End With

            Session("Export") = False

            Response.Clear()
            Response.Buffer = True
            Response.ContentType = "text/plain"
            Response.AddHeader("Content-Disposition", "inline;filename=/cdf.csv")
            Me.EnableViewState = False
            Response.Write(sb.ToString())
            Response.End()



        Else

            If Not IO.File.Exists(MapPath(strReportPath)) Then
                Throw (New Exception("Unable to locate report file:" & _
                  vbCrLf & strReportPath))
            End If

            Dim warnings As Warning() = Nothing
            Dim streamids As String() = Nothing
            Dim mimeType As String = Nothing
            Dim encoding As String = Nothing
            Dim extension As String = Nothing
            Dim bytes As Byte()

            Dim filepath As String = MapPath(".\reports\cache\" & Session("CustomerID") & ".PDF")

            Dim datasource As New ReportDataSource("ds" & sRptName & "_dt" & sRptName, DS.Tables("ds" & sRptName))

            Dim rpv As New ReportViewer()
            rpv.LocalReport.DataSources.Clear()
            rpv.LocalReport.ReportPath = MapPath(strReportPath) 
            rpv.LocalReport.DataSources.Add(datasource)

            bytes = rpv.LocalReport.Render("PDF", Nothing, mimeType, encoding, extension, streamids, _
             warnings)

            If System.IO.File.Exists(filepath) Then
                System.IO.File.Delete(filepath)
            End If

            Dim fs As New System.IO.FileStream(filepath, System.IO.FileMode.Create)
            fs.Write(bytes, 0, bytes.Length)
            fs.Close()

            Response.ContentType = "Application/pdf"
            Response.WriteFile(filepath)
            Response.End()

        End If

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