WebRequest.GetResponse locks up?

Question

When writing the below my code locks up on GetResponse. Why?

        try
        {
            WebRequest myWebRequest = WebRequest.Create(strURL);
            WebResponse myWebResponse = myWebRequest.GetResponse();
            //more code here

Wycoff

No problem when trying this on localhost whats the URI? – Univalence

There's not enough information to diagnose this. Does it lock up for you regardless of which URL you use, is it only for one URL, does it happen consistently, what happens when you try to access the URL from your browser? – Blurt

Answer 1

This usually happens if you've made several requests to the same host, and not disposed of the WebResponse.

The default connection management settings only allow 2 (or maybe 4, I can't remember) open connections to the same host at a time. If you really need to change this, use the <connectionManagement> app.config element - but usually you'll be fine just disposing of WebResponse:

try
{
    WebRequest myWebRequest = WebRequest.Create(strURL);
    using (WebResponse myWebResponse = myWebRequest.GetResponse())
    {
        //more code here

Microcrystalline

I <3 Jon Skeet that fixed the problem completely. Again i would have never to check for dispose. Thanks. – Wycoff

That didnt help for me. I tried the "using" approach, as well as doing a Close on the response inside the using... but still get the same problem. – Stainless

My question on SO: #8377685 – Stainless

@John Skeet, I have a scenario where I want to return large data as continuous stream. If I placed my return myWebResponse.GetResponseStream(), will it not Close() the stream before the entire stream is returned?... if I do not use the using statement,won't that that also mean that myWebResponse will not be properly disposed?... I know I can close the Stream at my calling function, but not sure what happens to the WebResponse object – Peraea

Solved it! wrote a void method that has two Stream parameters, one incoming and the other being written to, as per convention for streams. Disposes nicely! – Peraea