C# Web Service Error 500
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Webservice Error 500
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The Remote Server Returned An Error (500) Internal Server Error. C# Web Service
is my web service giving me an Error 500? up vote 0 down vote favorite I have this web service: using System.Web.Services; namespace Contracts { [WebService(Namespace = "http://tempuri.org/")] [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] [System.ComponentModel.ToolboxItem(false)] public class Second : System.Web.Services.WebService { [WebMethod] public string GetContract() { return "Contract 1"; } } } The following WPF application can display the HTML fine: using System.Windows; using System.Net; using the remote server returned an error 500 internal server error httpwebrequest System; namespace TestConsume2343 { public partial class Window1 : Window { public Window1() { InitializeComponent(); WebClient proxy = new WebClient(); proxy.DownloadStringCompleted += new DownloadStringCompletedEventHandler(proxy_DownloadStringCompleted); proxy.DownloadStringAsync(new Uri("http://localhost:57379/Second.asmx?op=GetContract")); Message.Text = "loading..."; } void proxy_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e) { Message.Text = e.Result.ToString(); } } } but when I replace the above line with the actual web service: proxy.DownloadStringAsync(new Uri("http://localhost:57379/Second.asmx/GetContract")); it gives me the error message: The remote server returned the error (500) Internal Server Error. Although when I look at the same URL in my browser, I see the XML text fine:
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The Remote Server Returned An Error 500 Internal Server Error Getresponse
remote server returned an error: (500) Internal Server Error [Answered]RSS 8 replies Last post Jan 09, asp.net web service 500 - internal server error 2011 09:45 PM by crossray ‹ Previous Thread|Next Thread › Print Share Twitter Facebook Email Shortcuts Active Threads Unanswered Threads Unresolved Threads Support Options Advanced Search Reply http://stackoverflow.com/questions/1667189/why-is-my-web-service-giving-me-an-error-500 Capture_db Member 14 Points 150 Posts Web Service Error : The remote server returned an error: (500) Internal Server Error Apr 02, 2009 03:32 PM|Capture_db|LINK Hi i am getting an error when trying a simple web service. if i run both the web service and the client .aspx page on the same server it http://forums.asp.net/t/1405731.aspx?Web+Service+Error+The+remote+server+returned+an+error+500+Internal+Server+Error works fine, But when i put it on a different server it doesnt work at all and gives me this error "System.Net.WebException: The remote server returned an error: (500) Internal Server Error. at System.Net.HttpWebRequest.GetResponse() at HttpUtils.HttpPost(String URI, String Parameters) in e:\Websites\C#\Live\CMS\Trunk\App_Code\siteFunctions\HttpUtils.cs:line 35" UserApi.asmx [WebMethod] public string HelloName(string name) { return "Hello " + name; }HttpUtils.csusing System.Net; using System.IO; ///
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day for development of your project, and you've been working for the last 7 hours on a web service client bug; where dynamic invocation of the service, via SOAP 1.2, causes the server to return an HTTP 500 Internal Server error. The air conditioning kicked off at 7pm and now everything you touch is sticky from sweat and frustration. This was me. After staring atthe code responsible for creating my SOAP envelope and the HTTP post code, and trawling through Google, I finally found a solution. Apparently, the raw server response is buried in the System.Net.WebException, thrown by .NET, and with some code added to the exception catch block it is possible to find out what really went wrong. Here's the code: 1: private static string PostSoap(string url, string soapEnv) 2: { 3: try 4: { 5: string result; 6: byte[] postData = Encoding.UTF8.GetBytes(soapEnv); 7: HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest; 8: if (null == request) 9: throw new WebException("Failed to create WebRequest object"); 10: request.Method = "POST"; 11: request.ContentType = "application/soap+xml; charset=utf-8"; 12: request.ContentLength = postData.Length; 13: request.UserAgent = "DynamicFormWebPart"; 14: using (Stream stream = request.GetRequestStream()) 15: { 16: stream.Write(postData, 0, postData.Length); 17: stream.Flush(); 18: stream.Close(); 19: } 20: HttpWebResponse response = (HttpWebResponse)request.GetResponse(); 21: if (null == response) 22: throw new WebException("Failed to get a WebResponse object"); 23: using (StreamReader reader = new StreamReader(response.GetResponseStream())) 24: result = reader.ReadToEnd(); 25: return result; 26: } 27: catch (WebException ex) 28: { 29: HttpWebResponse response = ex.Response as HttpWebResponse; 30: if (null == response) 31: throw new ArgumentNullException("Response was null"); 32: using (StreamReader reader = new StreamReader(response.GetResponseStream())) 33: { 34: string error = reader.ReadToEnd(); 35: throw new PSWebPartException(error, ex); 36: } 37: } 38: } By the way, the error causing me mental turmoil this evening was because I passed ‘True' to a boolean parameter, instead of lowercase ‘true'. What threw me, was the .NET HTTP POST test page, which allows uppercase T and F in boolean values. I guess I loose such niceties when creating my own lower level code. 7 hours for an upper case ‘T' - geez, woot. This entry was posted in Everything, Software Development and tagged ASP.NET on June 29, 2007 by robgarrett. Post navigation ← Adding to SharePoint List from a Web Service Live Earth and Long Hours → 4 thoughts on “Invocation