Windows.Web.Http.HttpClient throws continuously error 404

Question

I'm trying to use the Windows.Web.Http.HttpClient class but it keeps throwing me an 404 error, even if I try the code from the doc :

var uri = new Uri("http://example.com/datalist.aspx");
var httpClient = new HttpClient();

try
{
    var result = await httpClient.GetStringAsync(uri);
    Debug.WriteLine("content : {0}", result);
}
catch (Exception e)
{
    Debug.WriteLine("error : {0}", e.Message);
}

And this is the error :

A first chance exception of type 'System.Exception' occurred in mscorlib.ni.dll
error : Not found (404).

Response status code does not indicate success: 404 (Not Found).

link of the doc I used

I can access the address from the phone with a web browser like IE.

Perhaps the url you are trying to access checks specific headers? Visit that page while Fiddler is running and mimic the headers in your code. — Jacob Roberts
– Jacob Roberts, Commented Apr 21, 2015 at 14:30
It should return 404, the fact that you can browse to an URL in a webbrowser does not guarantee it returns 200 or another "OK" status code. If you go to the url with a HTTP sniffer like Fiddler running you will see the server returns 404 when navigating to this URL while still sending a response body. — Nils O
– Nils O, Commented Apr 21, 2015 at 14:50
Yes, that the mistake I made. I just checked with web browser in the first place. — tufekoi
– tufekoi, Commented Apr 21, 2015 at 14:57

Amir Popovich · Accepted Answer · 2015-04-21 14:34:16Z

2

That's because it does return a 404 (use a sniffer and check).

Change the url to http://www.example.com and things will work.

The site returns the same response on all requests. You can try:

http://www.example.com/mynickistuff.abcd

answered Apr 21, 2015 at 14:34

Amir Popovich

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