An Unexpected Error Occurred On A Receive Proxy
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Httpwebrequest The Underlying Connection Was Closed An Unexpected Error Occurred On A Send
Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes https://support.microsoft.com/en-us/kb/915599 a minute: Sign up ..The underlying connection was closed: An unexpected error occurred on a receive up vote 3 down vote favorite 2 I have the following code: private Uri currentUri; private void Form1_Load(object sender, EventArgs e) { currentUri = new Uri(@"http://www.stackoverflow.com"); HttpWebRequest myRequest = (HttpWebRequest) HttpWebRequest.Create("http://www.stackoverflow.com"); WebProxy myProxy = new WebProxy("120.198.230.8:81"); myRequest.Proxy = myProxy; HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse(); webBrowser1.DocumentStream = myResponse.GetResponseStream(); http://stackoverflow.com/questions/21728773/the-underlying-connection-was-closed-an-unexpected-error-occurred-on-a-receiv webBrowser1.Navigating += new WebBrowserNavigatingEventHandler(webBrowser1_Navigating); } void webBrowser1_Navigating(object sender, WebBrowserNavigatingEventArgs e) { if (e.Url.AbsolutePath != "blank") { currentUri = new Uri(currentUri, e.Url.AbsolutePath); HttpWebRequest myRequest = (HttpWebRequest)HttpWebRequest.Create(currentUri); HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse(); webBrowser1.DocumentStream = myResponse.GetResponseStream(); e.Cancel = true; } } after compiling: error: An unhandled exception of type 'System.Net.WebException' occurred in System.dll Additional information: The underlying connection was closed: An unexpected error occurred on a receive. at line HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse(); please help me c# share|improve this question edited Mar 11 '14 at 14:50 bluefeet♦ 146k33194275 asked Feb 12 '14 at 13:03 Thomas 18114 3 Google is your friend. See Error Message 3. –DGibbs Feb 12 '14 at 13:06 add a comment| 2 Answers 2 active oldest votes up vote 6 down vote accepted The underlying connection was closed: An unexpected error occurred on a receive. This problem occurs when the server or another network device unexpectedly closes an existing Transmission Control Protocol (TCP) connection. This problem may occur when a time-out value on the server or on the network device is set too low. To resolve this problem, see resolutions A, D,
Convert HTML to Wikipedia format System.Net.WebException: The underlying connection was closed: An unexpected error occurred on a http://geekswithblogs.net/Denis/archive/2005/08/16/50365.aspx receive. RSS Reader Blog The horror of no source control Post Categories SBobet poker online Judi Bola bola tangkas Archives November 2011 (1) September 2009 (1) June http://forums.codeguru.com/showthread.php?516486-The-underlying-connection-was-closed-An-unexpected-error-occurred-on-a-receive 2009 (1) October 2008 (2) May 2007 (1) February 2007 (1) January 2007 (2) December 2006 (1) May 2006 (1) February 2006 (2) January 2006 (1) an unexpected August 2005 (2) July 2005 (2) Denis Pitcher Denis Pitcher's Tech Blog << RSS Reader | Home | Convert HTML to Wikipedia format >> System.Net.WebException: The underlying connection was closed: An unexpected error occurred on a receive. Comments (63) | Share System.Net.WebException: The underlying connection was closed: An unexpected error occurred on a receive. an unexpected error I've been trying to figure out what the cause of this problem is for a few days now and I've finally tracked down the error. It's due to a bug in .net that closes the connection prior to it being finished. I'm concerned about the performance issues involved in reconnecting, however I have written my code to keep most connections and data transfer small anyways, I'll have to keep an eye on the performance of this crappy bug. A good reference for solving this issue is available at: http://p2p.wrox.com/topic.asp?TOPIC_ID=4858 Unfortunately the microsoft KB article that addressed the issue is no longer available. As suggested I have added the following code to my reference.cs file (which needs to be done each time I update the webservice reference) to assign the keepalive value to false to allow the connection to be closed and reopened. protected override WebRequest GetWebRequest(Uri uri){HttpWebRequest webRequest = (HttpWebRequest) base.GetWebRequest(uri);webRequest.KeepAlive = false;webRequest.ProtocolVersion=HttpVersion.Version10;return webRequest;} I have also added a referenc
Forum C# Programming C-Sharp Programming The underlying connection was closed: An unexpected error occurred on a receive. If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register or Login before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below. Page 1 of 3 123 Last Jump to page: Results 1 to 15 of 32 Thread: The underlying connection was closed: An unexpected error occurred on a receive. Tweet Thread Tools Show Printable Version Email this Page… Subscribe to this Thread… Display Linear Mode Switch to Hybrid Mode Switch to Threaded Mode September 19th, 2011,06:51 PM #1 kytro360 View Profile View Forum Posts Member Join Date Sep 2011 Posts 69 The underlying connection was closed: An unexpected error occurred on a receive. I am trying to do a httpwebrequest with a proxy and everytime I try to do it I get this error: The underlying connection was closed: An unexpected error occurred on a receive. This is my httpwebrequest code. I removed the postData and the sites I am trying to request to since I am planning to sell my program and dont want leechers to get a hold of my code. Code: string MyProxyHostString = txtBoxIP.Text; int MyProxyPort = System.Convert.ToInt32(txtBoxPort.Text); System.Net.ServicePointManager.Expect100Continue = false; string postdata = ""; UTF8Encoding encoding1 = new UTF8Encoding(); byte[] bytedata = encoding1.GetBytes(postdata); HttpWebRequest request = (HttpWebRequest)WebRequest.Create(""); request.Proxy = new WebProxy(MyProxyHostString, MyProxyPort); request.Method = "POST"; request.KeepAlive = false; request.ContentType = "application/x-www-form-urlencoded"; request.Referer = ""; request.UserAgent = "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.8.1.6) Gecko/20070725 Firefox/2.0.0.6"; request.ContentLength = bytedata.Length; Stream postreqs