An Unexpected Error Occurred On A Send
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Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of the underlying connection was closed an unexpected error occurred on a send. https 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up THE UNDERLYING CONNECTION WAS CLOSED: AN UNEXPECTED ERROR OCCURRED ON A SEND : With SSL Certificate up vote
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19 down vote favorite 2 Issue : I get this exception "THE UNDERLYING CONNECTION WAS CLOSED: AN UNEXPECTED ERROR OCCURRED ON A SEND" in my logs and it is breaking our OEM integration with our email marketing system at random times varying from [1hour - 4 hours] My website is hosted on a windows server 2008 R2 with IIS 7.5.7600. This website has a large number of OEM components and comprehensive dashboard. an unexpected error occurred on a send reporting services Everything works fine with all the other elements of the website except with one of our email marketing component which we are using as an iframe solution within our dashboard. The way it works is, I send a httpWebRequestobject with all the credentials and i get a url back which i put in an iframe and it works. But it only works for some time [1 hour - 4 hours ]and then i get the below exception "THE UNDERLYING CONNECTION WAS CLOSED: AN UNEXPECTED ERROR OCCURRED ON A SEND" and even if the system tries to get the URL from the httpWebRequest it fails with the same exception. The only way to make it work again is to recycle the application pool or anything is edited in web.config. I am really exhausted all the option that i could think of. Option tried Explicitly added, keep-alive = false keep-alive = true Increased the time out :
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Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with the underlying connection was closed an unexpected error occurred on a send iis us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just http://stackoverflow.com/questions/22627977/the-underlying-connection-was-closed-an-unexpected-error-occurred-on-a-send-w like you, helping each other. Join them; it only takes a minute: Sign up C# System.Net.WebException: The underlying connection was closed: An unexpected error occurred on a send. up vote 2 down vote favorite I'm getting this error just on 1 server Windows Server 2003. Any ideas? I've seen other posts but no clear solution System.Net.WebException: http://stackoverflow.com/questions/29886223/c-sharp-system-net-webexception-the-underlying-connection-was-closed-an-unexpe The underlying connection was closed: An unexpected error occurred on a send. Here's my code.. Any ideas???????? HttpWebRequest request = (HttpWebRequest)WebRequest.Create("https:// URL HERE "); // request.Headers.Add("Accept", "application/xml"); byte[] bytes; bytes = System.Text.Encoding.ASCII.GetBytes(xml); request.KeepAlive = false; request.Accept = "application/xml"; request.ContentType = "application/xml; charset='UTF-8'"; request.ContentLength = bytes.Length; request.Method = "POST"; request.Timeout = 10000; request.ServicePoint.Expect100Continue = false; c# share|improve this question asked Apr 27 '15 at 2:28 Jon 2003514 What line is throwing the exception? –BJ Myers Apr 27 '15 at 2:33 @Jon your Url is https and it looks like the Cert might not be valid. You need to accept the cert . ServicePointManager.ServerCertificateValidationCallback = delegate { return true; }; Try adding this. –loneshark99 Aug 29 at 18:34 @loneshark99 No. That is a horrible and dirty hack that should never be put in any production code. The https protocol is fully handled by HttpWebRequest anyway; there is no need to go manually messing with secure tcp connection stuff. –Nyerguds Sep 1
ASP.NET Community Standup Forums Help Home/ASP.NET Forums/Advanced ASP.NET/WCF, ASMX and other Web Services/The underlying connection was closed: http://forums.asp.net/t/1106890.aspx?The+underlying+connection+was+closed+An+unexpected+error+occurred+on+a+send+ An unexpected error occurred on... The underlying connection was closed: http://forums.iis.net/t/1227905.aspx?The+underlying+connection+was+closed+An+unexpected+error+occurred+on+a+send+ An unexpected error occurred on a send. RSS 6 replies Last post Nov 24, 2010 04:23 PM by vnRock ‹ Previous Thread|Next Thread › Print Share Twitter Facebook Email Shortcuts Active Threads Unanswered Threads Unresolved Threads Support Options Advanced Search Reply an unexpected fizzystutter Member 15 Points 191 Posts The underlying connection was closed: An unexpected error occurred on a send. May 04, 2007 01:24 PM|fizzystutter|LINK Hi, I am sending an XML file to a web service and I am getting the following response: The underlying connection was closed: An unexpected error occurred on a an unexpected error send. Source Error: Line 383: Line 384: Line 385: Dim streamToSend As Stream = objRequest.GetRequestStream() Line 386: 'Response.Write("Number of characters returned: " & byte1.Length & "
") Line 387: streamToSend.Write(byte1, 0, byte1.Length) The code I am using is: Dim objRequest As HttpWebRequest = CType(WebRequest.Create("https://www.domainname.com:444"), HttpWebRequest) Dim StrData As String Dim objXMLDoc As New System.Xml.XmlDocument() objXMLDoc.Load(varXMLFile) 'xml data I need to send StrData = objXMLDoc.OuterXml objRequest.Method = "POST" Dim encoding As New System.Text.ASCIIEncoding() Dim byte1 As Byte() = Text.Encoding.UTF8.GetBytes(StrData) objRequest.ContentLength = byte1.Length objRequest.ContentType = "application/x-www-form-urlencoded" objRequest.KeepAlive = False Dim streamToSend As Stream = objRequest.GetRequestStream() 'Response.Write("Number of characters returned: " & byte1.Length & "
") streamToSend.Write(byte1, 0, byte1.Length) streamToSend.Close() Dim objResponse As HttpWebResponse = objRequest.GetResponse() Dim StreamReader As StreamReader StreamReader = New StreamReader(objResponse.GetResponseStream()) Dim xmlDoc As New XmlDocument() xmlDoc.LoadXml(StreamReader.ReadToEnd()) Response.Write("RETURN XML:" &
Web Platform Installer Get Help: Ask a Question in our Forums More Help Resources Blogs Forums Home IIS.NET Forums General Web Deployment Tool (MS Deploy) The underlying connection was closed: An unexpected error occurred on... The underlying connection was closed: An unexpected error occurred on a send. RSS 4 replies Last post Aug 07, 2015 03:50 AM by klpatil ‹ Previous Thread|Next Thread › Print Share Twitter Facebook Email Shortcuts Active Threads Unanswered Threads Unresolved Threads Advanced Search Reply klpatil 18 Posts The underlying connection was closed: An unexpected error occurred on a send. Jul 27, 2015 02:23 PM|klpatil|LINK When doing Publish from Build server to Target server. We are seeing following error: Web deployment task failed. (Could not complete the request to remote agent URL 'https://