使用 Refit，如何调试反序列化错误？

Question

I'm using Refit to consume an XML ReST Web Api. There is some issue with XML deserialization into POCOs (which are annotated with attributes from System.Xml.Serialization ) since I get a NullReferenceException in Refit.RequestBuilderImplementation.DeserializeContentAsync .

However, I a no further information on how to debug the issue, since the exception message tells me nothing on what attribute or object in the response is not adapted to my POCOs.

The XMl is:

<?xml version="1.0" encoding="utf-16"?>
<MediaContainer friendlyName="myPlex" identifier="com.plexapp.plugins.myplex" machineIdentifier="c62be90a37d43ecd9596be8abd98a2e485979e31" size="2">
   <Server accessToken="plexauthtoken" name="VOSTOK" address="ip address" port="1" version="1.23.0.4497-a1b1f3c10" scheme="http" host="ip address" localAddresses="ipaddress1,ipaddress2" machineIdentifier="machineid" createdAt="1590584258" updatedAt="1621708154" owned="1" synced="0" />
</MediaContainer>

Answer 1

Net library doesn't like "utf-16". Solution is to skip first line of xml like this:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Xml;
using System.Xml.Serialization;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string xml = "<?xml version=\"1.0\" encoding=\"utf-16\"?>\n<MediaContainer>\n</MediaContainer>";
            StringReader sReader = new StringReader(xml);
            sReader.ReadLine();
            XmlReader xReader = XmlReader.Create(sReader);
            XmlSerializer serializer = new XmlSerializer(typeof(MediaContainer));
            MediaContainer MediaContainer = (MediaContainer)serializer.Deserialize(xReader); 
        }
    }
    public class MediaContainer
    {
    }
}