（500内部服务器错误
调用Stamps.com webservice的Authenticate方法时，我收到以下错误消息。
远程服务器返回错误：（500）内部服务器错误。
这是请求的SOAP 1.1定义。
POST /swsim/SwsimV45.asmx HTTP/1.1
Host: swsim.testing.stamps.com
Content-Type: text/xml; charset=utf-8
Content-Length: length
SOAPAction: "http://stamps.com/xml/namespace/2015/05/swsim/swsimv45/AuthenticateUser"
<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
<soap:Body>
<AuthenticateUser xmlns="http://stamps.com/xml/namespace/2015/05/swsim/swsimv45">
<Credentials>
<IntegrationID>guid</IntegrationID>
<Username>string</Username>
<Password>string</Password>
</Credentials>
</AuthenticateUser>
</soap:Body>
</soap:Envelope>
这是我的代码调用服务。
private void button2_Click(object sender, EventArgs e)
{
CallStampsService();
}
private void CallStampsService()
{
HttpWebRequest request = CreateHTTPWebRequest();
XmlDocument soapEnvelopeXml = new XmlDocument();
soapEnvelopeXml.LoadXml(@"<?xml version=""1.0"" encoding=""utf-8""?>
<soap:Envelope xmlns:soap=""http://schemas.xmlsoap.org/soap/envelope/""
xmlns:xsi=""http://www.w3.org/2001/XMLSchema-instance""
xmlns:xsd=""http://www.w3.org/2001/XMLSchema""
xmlns:tns=""http://stamps.com/xml/namespace/2015/05/swsim/swsimv45"">
<soap:Body>
<AuthenticateUser>
<Credentials>
<IntegrationID>my_integration_id</IntegrationID>
<Username>my_username</Username>
<Password>my_password</Password>
</Credentials>
</AuthenticateUser>
</soap:Body>
</soap:Envelope>");
using (Stream stream = request.GetRequestStream())
{
soapEnvelopeXml.Save(stream);
}
using (WebResponse response = request.GetResponse())
{
using (StreamReader rd = new StreamReader(response.GetResponseStream()))
{
string soapResult = rd.ReadToEnd();
MessageBox.Show(soapResult);
}
}
}
public static HttpWebRequest CreateHTTPWebRequest()
{
HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(@"https://swsim.testing.stamps.com/swsim/SwsimV45.asmx");
webRequest.Headers.Add(@"SOAPAction: " + @"http://stamps.com/xml/namespace/2015/05/swsim/swsimv45/AuthenticateUser");
webRequest.ContentType = "text/xml;charset=utf-8";
webRequest.Accept = "text/xml";
webRequest.Method = "POST";
return webRequest;
}
}
我联系了Stamps.com，他们的支持人员表示他们无法提供有关代码的很多帮助，但表示他们的结尾出现以下错误。
<faultstring>Server did not recognize the value of HTTP Header SOAPAction: http://stamps.com/xml/namespace/2015/05/swsim/swsimv45.</faultstring>
所以我检查了我的Header对象并得到了这个。
{SOAPAction: http://stamps.com/xml/namespace/2015/05/swsim/swsimv45/AuthenticateUser
Content-Type: text/xml;charset=utf-8
Accept: text/xml
Host: swsim.testing.stamps.com
Content-Length: 580
Expect: 100-continue
Connection: Keep-Alive
}
应用程序在此行失败。
WebResponse response = request.GetResponse（）
所以我检查了innerXML并得到了这个。
<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope
xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:tns="http://stamps.com/xml/namespace/2015/05/swsim/swsimv45">
<soap:Body>
<AuthenticateUser>
<Credentials>
<IntegrationID>my_integrationID</IntegrationID>
<Username>my_username</Username>
<Password>my_password</Password>
</Credentials>
</AuthenticateUser>
</soap:Body>
</soap:Envelope>
我不知道我哪里错了。
我感到你的痛苦。 我已经用下面的方法成功了：
- POST
https://swsim.stamps.com/swsim/swsimv42.asmx
- 标题
SOAPAction: http://stamps.com/xml/namespace/2015/01/swsim/swsimv42/AuthenticateUser
Content-type: text/xml
- 身体
<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope
xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<soap:Body>
<AuthenticateUser xmlns="http://stamps.com/xml/namespace/2015/01/swsim/swsimv42">
<Credentials>
<IntegrationID>XXXXXXX</IntegrationID>
<Username>XXXXXXX</Username>
<Password>XXXXXXX</Password>
</Credentials>
</AuthenticateUser>
</soap:Body>
</soap:Envelope>
请注意，stamps.com命名空间有很多版本。 有些工作很棒，其他人则很沮丧。
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