System.Net.WebException：基础连接已经关闭：连接被意外关闭 [英] System.Net.WebException: The underlying connection was closed: The connection was closed unexpectedly

问题描述

我在写这是应该将数据发布到另一个.NET应用程序.NET应用程序。
我用下面的code，请求登录页面

  WebProxy代理=新WebProxy（HTTP：//代理：80 /，真正的）;
HttpWebRequest的WebRequest的= WebRequest.Create（LOGIN_URL）为HttpWebRequest的;
//proxy.Credentials =新的NetworkCredential（名为myusername，输入mypassword，域名）;
// webRequest.Proxy =代理;
webRequest.Proxy = WebRequest.DefaultWebProxy;StreamReader的responseReader =新的StreamReader
                                  （webRequest.GetResponse（）GetResponseStream（））;
字符串responseData = responseReader.ReadToEnd（）;
 

但它在这一行失败

  StreamReader的responseReader =新的StreamReader
                                  （webRequest.GetResponse（）GetResponseStream（））;
 

与错误消息：

  System.Net.WebException：基础连接已经关闭：连接是
                         意外关闭。
 

解决方案

我前一段时间遇到了同样的异常，我记得，发生这种情况的在某些情况下的由于.NET的错误。您可以解决此通过请求超时和ReadWriteTimeout设定为较高的值，或者设置的KeepAlive为false。

这也只是一种变通方法，虽然如此，我建议你试试假设任何事情之前找到实际的根本原因。

我会尽力拿出一些Web引用，在平均时间，看看
<一href=\"http://stackoverflow.com/questions/1060966/big-files-uploading-webexception-the-connection-was-closed-unexpectedly\">http://stackoverflow.com/questions/1060966/big-files-uploading-webexception-the-connection-was-closed-unexpectedly

I'm writing a .NET application which is supposed to post data to another .NET application. I use the following code to request the login page

WebProxy proxy = new WebProxy("http://proxy:80/", true);
HttpWebRequest webRequest = WebRequest.Create(LOGIN_URL) as HttpWebRequest;
//proxy.Credentials = new NetworkCredential("myusername", "mypassword", "domain"); 
// webRequest.Proxy = proxy;
webRequest.Proxy = WebRequest.DefaultWebProxy;

StreamReader responseReader = new StreamReader
                                  (webRequest.GetResponse().GetResponseStream());
string responseData = responseReader.ReadToEnd();

but it fails on this line

StreamReader responseReader = new StreamReader
                                  (webRequest.GetResponse().GetResponseStream());

with the error message :

System.Net.WebException: The underlying connection was closed: The connection was 
                         closed unexpectedly.

解决方案

I encountered the same exception a while ago and I remember that this happens in some cases due to a bug in .NET. You can work around this by setting the Timeout and ReadWriteTimeout of the request to higher values, or set KeepAlive to false.

This would only be a workaround, though, so I suggest you try to find the actual root cause before assuming anything.

I'll try to come up with some web references, in the mean time, look at http://stackoverflow.com/questions/1060966/big-files-uploading-webexception-the-connection-was-closed-unexpectedly

这篇关于System.Net.WebException：基础连接已经关闭：连接被意外关闭的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！