Unexpected character encountered while parsing value: <. path '', line 0, position 0.

Question

Problem :

Currently I am facing some issues. I am trying to  use C# with Json.NET. The problem is that I always get following error:

{"Unexpected character encountered while parsing value: e. Path '', line 0, position 0."}

So the way I amm using Json.NET is as below. I am having a Class which should be saved. The class looks like following:

public class mystats

{

    public string mytime { get; set; }

    public string myvalue { get; set; }

}

public class MyViewerStatsFormat

{

    public List<stats> myviewerstats { get; set; }

    public String myversion { get; set; }

    public MyViewerStatsFormat(bool mychk)

    {

        this.myviewerstats = new List<stats>();

    }

}

One of the object of this class will be filled and saved with following:

 File.WriteAllText(tmpfile, JsonConvert.SerializeObject(current), Encoding.UTF8);

The saving part of the code works fine and the file exists and is filled. After that the file should be read back into the class with following code:

 try 

{ 

    MyViewerStatsFormat mycurrent = JsonConvert.DeserializeObject<MyViewerStatsFormat>(tmpfile);

    //otherstuff        

}

catch(Exception ex)

{

    //error loging stuff

}

Now on this line comes up the exception as follows:

{"Unexpected character encountered while parsing value: e. Path '', line 0, position 0."}

Does anyone have any solution on it?

Answer 1

I had faced the same problem in the past in my case the issue came as my application needed the authentication, then it assigns the annotation [AllowAnonymous] and it worked.

Please find below solution:

[AllowAnonymous]

public async Task <IList <IServic >> GetServices () {

  }