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| BUG FOUND IN FRAMEWORK: HttpWebRequest Class |
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This message was discovered on microsoft.public.dotnet.framework.
| Sam Hulick |
(Remove the XYZ from my email address to email me)
Hopefully I'm not just doing something stupid.. if I am, I apologize. I'm
trying to fetch pages using HttpWebRequest. Most pages work fine. Some
lock up. Here's the code:
HttpWebRequest wr = (HttpWebRequest)WebRequest.Create(txtURL.Text);
wr.AllowAutoRedirect = true;
wr.MaximumAutomaticRedirections = 50;
wr.Timeout = 5000;
wr = (HttpWebRequest)WebRequest.Create(txtURL.Text);
WebResponse resp = wr.GetResponse();
Stream webstream = resp.GetResponseStream();
Anyway, it locks up on the wr.GetResponse(). These sites work fine:
http://www.msn.com/
http://www.amazon.com/
These sites lock up the app:
http://www.ameritech.net/
http://www.msnbc.com/
The other odd thing is, the Timeout of 5000 ms is totally ignored.
So is this a bug in the Framework? Anyone know why this happens?
Thanks,
Sam
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| Enriko Riba |
Hi Sam,
You are overwritting your wr object!
"Sam Hulick" <Click here to reveal e-mail address> wrote in message
news:OqtnZumBCHA.2672@tkmsftngp05...
[Original message clipped]
> wr = (HttpWebRequest)WebRequest.Create(txtURL.Text);
!!!! this creates the second new wr object
[Original message clipped]
best regards Enriko
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| Sam Hulick |
Thanks
Now the timeout works. But those sites still cause the app to lock up. Any
idea why??
"Enriko Riba" <Click here to reveal e-mail address> wrote in message
news:ORaf4duBCHA.1696@tkmsftngp04...
[Original message clipped]
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| Tom Kaiser |
So what do you mean it locks up?
does the wr.GetResponse() execute? Where is it locking up?
Are you doing this from inside a corporate firewall where you are going
through a proxy?
"Sam Hulick" <Click here to reveal e-mail address> wrote in message
news:eP1fRjuBCHA.1664@tkmsftngp02...
[Original message clipped]
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| Sam Hulick |
wr.GetResponse() executes but it stays there until it reaches the timeout
value I specified. Then the timeout exception is thrown.
No, no fancy proxies or anything.. just a NAT firewall, nothing else
special. I can surf to these sites normally.
"Tom Kaiser" <Click here to reveal e-mail address> wrote in message
news:#iWXOR4BCHA.2464@tkmsftngp05...
[Original message clipped]
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| Tom Kaiser |
Can you provide a trace of a request to a page that locks up?
or send me the url of one of these pages.
Thanks
Tom
"Sam Hulick" <Click here to reveal e-mail address> wrote in message
news:O$pQ3oFCCHA.580@tkmsftngp02...
[Original message clipped]
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| michael |
Hi,
By any chance is there a process running on your machine that is eating up
100% of the cpu? I just spent a week debugging a problem with .NET web
clients hanging. They would hang on GetResponse whenever there was a process
on the machine eating 100% of the cpu (seti, distributed.net, while(true){}
loop in a C++ command line program). As soon as I stopped that process, the
clients worked fine.I have no idea how this other process could be affecting
the .NET web service client.
Michael
"Tom Kaiser" <Click here to reveal e-mail address> wrote in message
news:eZ5ZqsQCCHA.1272@tkmsftngp04...
[Original message clipped]
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| Sam Hulick |
Wow.. you know what, I do run that Cancer Research app. It eats 100% CPU,
but only idle cycles. I'll try disabling that & seeing what happens.
Thanks for the tip!
"michael" <Click here to reveal e-mail address> wrote in message
news:#OMPfYxCCHA.2540@tkmsftngp05...
[Original message clipped]
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