从.NET控制台应用程序调用java Web Service时，“响应不是格式良好的XML”

Question

我试图从.net控制台应用程序调用基于java的Web服务。我重写了GetWebResponse（）方法，但它返回“响应不是格式良好的XML”。我确实有xml，只是试图摆脱这个错误。以下是代码的亮点 -

 Public Class CureWebServiceHelper
Inherits FXRates2013.CureWebService.RatesWebServiceV2

Public Shared Function ConnectToWS(ByVal dataService As System.Web.Services.Protocols.WebClientProtocol) As Boolean

    Try
        Dim wsURL As String, wsUserId As String, wsPwd As String, wsDomain As String
        With ConfigurationManager.AppSettings
            wsURL = .Get("CureWebServiceURL").ToString

            wsUserId = .Get("CureWebServiceUserId").ToString
            wsPwd = .Get("CureWebServiceUserPwd").ToString

            wsDomain = "ad-ent"
        End With

        dataService.Url = wsURL

        Dim Creds As New System.Net.CredentialCache()
        Dim netCred As New System.Net.NetworkCredential(wsUserId, wsPwd)
        Creds.Add(New Uri(dataService.Url), "Basic", netCred)
        dataService.Credentials = Creds      'attach password. 

        Return True

    Catch ex As Exception
        Return False
    End Try

End Function

Protected Overloads Overrides Function GetWebResponse(ByVal the_webRequest As WebRequest) As WebResponse

    Dim WR As WebResponse
    WR = MyBase.GetWebResponse(the_webRequest)

    Dim sr As New IO.StreamReader(WR.GetResponseStream)

    Dim ResultStr = sr.ReadToEnd

    'Populate this XML instead. 
    Dim ReturnXML = ResultStr

    Return MyBase.GetWebResponse(the_webRequest)

End Function
End Class

在我的主要模块中 -

     Sub Main()
    Dim strXML As String = ""

    Using webService As New CureWebServiceHelper
        CureWebServiceHelper.ConnectToWS(webService)

        Dim WSResponse As String
        Call webService.getClosedRatesAsXml("MO_London", "12/02/2013", True, FXRates2013.CureWebService.wsRateTypeEnum.Spot, True)

    End Using


End Sub

如何摆脱错误？我无法控制Web服务本身，所以我无能为力。

编辑：这是xml -

 <soap:Envelope  xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
 <soap:Body>    
   <ns1:getClosedRatesAsXmlResponse xmlns:ns1="http://fx.wachovia.net">    
    <ns2:ClosedFXRatesAsXml xmlns:ns2="http://fx.wachovia.net"><OfficialClosing>
<ClosingSetName>MO_London</ClosingSetName>
<CloseDate>20131202</CloseDate>
<Status>CLOSED</Status>
<FXRate>
    <NumeratorCcy>USD</NumeratorCcy>
    <DenominatorCcy>SVC</DenominatorCcy>
    <Tenor>SPOT</Tenor>
    <Type>Spot</Type>
    <Rate>8.7475</Rate>
</FXRate>
</OfficialClosing>
</ns2:ClosedFXRatesAsXml></ns1:getClosedRatesAsXmlResponse></soap:Body></soap:Envelope>