I'm scanning for dead links on one of my pages. On one i get many "A first chance exception of type 'System.Net.WebException' occurred in System.dll" Dozens of them. How do i have MSVC# NOT display them? i am catching all of these exceptions since i am testing the link (in fact its called testStatus, request only head and returns a bool ...
I'm building a windows service that grabs information from a website periodically How can I start looking again when a exception is caught? for example when internet goes down and up later. Code: public string cadena(string pagina) { try { String cadena; WebRequest myWebR...
Hi - I am trying to insert data via web service. The code below writes to the database; however, I have an error (see bottom). What goes wrong here? and how to fix it? //Create the web request HttpWebRequest request = (HttpWebRequest)WebRequest.Create(uri); //Set type to POST request.Method = "POST"; request.ContentType = "text/XML"; ...
I'm communicating with a web server from .Net. The web server throws a 500 internal server error and writes a detailed error message. I'm trying to read the error message that is received from a web exception, but getting another web exception. Why is the second WebException thrown? try { var webResponse = (HttpWebResponse)webRequest...
I have an application that makes a sync request on an external resource via http(s). Every few weeks I get the following exception Exception: System.Net.WebException - Message: Unable to connect to the remote server Inner Exception: System.Net.Sockets.SocketException - Message: A connection attempt failed because the connected party ...
How to detect that a WebRequest failed due to a web proxy error and not a target web server error? try { var request = (HttpWebRequest)WebRequest.Create("http://www.example.com"); request.Proxy = new WebProxy("localhost"); var response = request.GetResponse(); return response.GetResponseStream(); } catch(WebException we...
I am trying to upload files to a web server using System.Net.WebClient.UploadFile but I keep getting a WebException. Specifically, I am getting 3 errors. I have no idea why I am not getting the same error, but they all seem to be related based on what I found online. The request was aborted: The request was canceled. Connection closed....
I'm working on a client for a webservice that returns standard Status Codes (404, 200 etc) as well a custom json message. I haven't been able to find a property of the WebException that contains the custom message. Any ideas on how to get a hold of the message? ...
I'm calling a method on a webservice and it is throwing a 403 Forbidden WebException... System.Net.WebException: The request failed with HTTP status 403: Forbidden. I've got this error logged but I'd really like to have the URI recorded in the log message so it is easy to determine which webservice is causing the problem. Is t...
Hello I'm trying to fetch data from a https web (i'm not behind firewall or proxy) however even accepting all certificates it keeps throwing System.Net.WebExceptionStatus.SecureChannelFailure with the message shown: Cancelled the request: Unable to create a secure SSL/TLS channel ... i've looked everywhere so you guys are my last chance....
I have the following snippet in classic ASP, to send a command and retrieve the response over SSL: Dim xmlHTTP Set xmlHTTP = Server.CreateObject("Msxml2.ServerXMLHTTP.3.0") xmlHTTP.open "POST", "https://www.example.com", False xmlHTTP.setRequestHeader "Content-Type","application/x-www-form-urlencoded" xmlHTTP.setRequestHeader "Content-L...
Hi, Can someone help clear up the usage of the "StatusCode" property in HttpWebResponse and WebException? For example it seems that if: a) there is no exception, then the HttpWebResponse will have a StatusCode that could have some values that indicate both: - success (e.g. OK, Accepted etc) - failure (e.g. UseProxy, RequestTimeout...
I'm calling a .NET 2.0 web service within my existing .NET 2.0 web service. I would like to know what exception is thrown from the web method if a timeout happens. I have set the web service timeout to some lower value than the default 90 seconds and I want to add business logic if timeout happens. Is [System.Net.WebException][1] the ex...
Hi, I have a web service which is returning data to the desktop application. The problem I am having is, when the web service returns small volume of data everything works fine but when the volume of data is large it throws the following exception: System.Net.WebException: The underlying connection was closed: An unexpected error occur...
I am a bit confused about the purpose of the enum value Success of the WebExceptionStatus enumeration. I did a search and did not find this enumeration being used outside the WebException class. This is very confusing to me. Why would an exception be used to indicate a successful action/state. Am I missing something, or did I not search ...
Hello! So I'm currently working on an ePub reader application, and I've been reading through a bunch of regular XML files just fine with System.Xml and XmlDocument: XmlDocument xmldoc = new XmlDocument(); xmldoc.Load(Path.Combine(Directory.GetCurrentDirectory(), "META-INF/container.xml")); XmlNodeList xnl = xmldoc.GetElementsByTagName("...
I've hunted around for some definitive documentation on this but haven't had much luck finding any. Basically - the question is - for which HTTP Status codes coming back from the server will HttpWebRequest.GetResponse() generate a WebException after doing something like say, a POST? Specifically - will it generate a WebException for an...
Hello everyone, I have a custom Http Handler which manipulates HTTP POST and GET. I got the project working on a seperate isolated server now need to put it in production... using (var client = new WebClient()) { client.Credentials = CredentialCache.DefaultCredentials; client.Uplo...
Hi, Sometimes I get the following error while I was doing HttpWebRequest to a WebService. I copied my code below too. Thanks for any helpful reply/replies. System.Net.WebException: Unable to connect to the remote server ---> System.Net.Sockets.SocketException: No connection could be made because the target machine actively refused it...
I need to check whether the request will return a 500 Server Internal Error or not (so getting the error is expected). I'm doing this: HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest; request.Method = "GET"; HttpWebResponse response = request.GetResponse() as HttpWebResponse; if (response.StatusCode == HttpStatusC...