System.Net.ProtocolViolationException:在调用[Begin]GetResponse之
本文关键字:Begin GetResponse 调用 Net ProtocolViolationException System | 更新日期: 2023-09-27 18:01:52
我得到
" System.Net。ProtocolViolationException:当调用web请求的"BeginGetResponse"方法时,你必须在调用[Begin]GetResponse之前将ContentLength字节写入请求流。
这是我的代码:
try
{
Stream dataStream = null;
WebRequest Webrequest;
Webrequest = WebRequest.Create(this.EndPointAddress);
Webrequest.Credentials = new NetworkCredential(this.username, this.password);
Webrequest.ContentType = "text/xml";
Webrequest.Method = WebRequestMethods.Http.Post;
byteArray = System.Text.Encoding.UTF8.GetBytes(xmlRequest.Children[0].InnerXML);
Webrequest.ContentLength = byteArray.Length;
dataStream = Webrequest.GetRequestStream();
dataStream.Write(byteArray, 0, byteArray.Length);
RequestState rs = new RequestState();
rs.Request = Webrequest;
IAsyncResult r = (IAsyncResult)Webrequest.BeginGetResponse(new AsyncCallback(RespCallback), rs);
}
catch (Exception exc)
{
TRACE.EXCEPTION(exc);
}
finally
{
dataStream.Close();
}
更具体地说,在调用函数"getRequestStream()"之后,流抛出这个长度异常:
的流。抛出类型为"System"的异常。NotSupportedException"由于
是什么引起的?
最后使用:
using (dataStream = Webrequest.GetRequestStream())
{
dataStream.Write(byteArray, 0, byteArray.Length);
}
代替:
dataStream = Webrequest.GetRequestStream();
dataStream.Write(byteArray, 0, byteArray.Length);
你的代码应该适用于。net 2.0,从4.0起,你应该在写完以下内容后关闭流:
dataStream = Webrequest.GetRequestStream();
dataStream.Write(byteArray, 0, byteArray.Length);
datastream.Close();
检查您的服务器是否设置为接受大文件。您可能会发现您正在运行4兆的默认限制。
将以下内容添加到您的web中。上传大文件的配置文件:
<system.webServer>
<security>
<requestFiltering>
<requestLimits maxAllowedContentLength="104857600" />
</requestFiltering>
</security>
</system.webServer>