Getting No Response When Calling WebAPI Post with application/json header

Question

I've got a very simple WebAPI controller (all system defaults) and when I do a post to it, the fact that it has Content-Type: application/json makes the post (from fiddler) hang (not return).

My headers are as follows:

Content-Length: 2
Content-Type: application/json

and the post body is simply

[]

My WebAPI controller just looks like this:

namespace WebAPI.rest
{
public class SendGridController : ApiController
{

    public HttpResponseMessage Post()
    {
        try
        {
            HttpContent requestContent = Request.Content;
            string json = requestContent.ReadAsStringAsync().Result.Trim();
        }
        catch (Exception ex)
        {
            throw ex;
        }

        return new HttpResponseMessage(HttpStatusCode.OK);

    }

When I make the same post (with fiddler) to http://respondto.it/ it returns no problem

Darrel Miller · Accepted Answer · 2014-02-24 19:36:37Z

1

If you are running under ASP.NET the the .Result is probably not a wise idea. I ran your code under self-host and it worked fine.

Try this,

public class SendGridController : ApiController
{

public async Task<HttpResponseMessage> Post()
{
    try
    {
        HttpContent requestContent = Request.Content;
        string json = await requestContent.ReadAsStringAsync();
    }
    catch (Exception ex)
    {
        throw ex;
    }

    return new HttpResponseMessage(HttpStatusCode.OK);

}

}

answered Feb 24, 2014 at 19:36

Darrel Miller

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Peter Kellner · Accepted Answer · 2014-02-26 13:58:43Z

1

The problem turned out to be an old version of webapi. Once I updated to webapi2, the problem went away.

answered Feb 26, 2014 at 13:58

Peter Kellner

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