[英]Posting a json to a distant server(REST)
我想按照以下发送方式,使用此代码将一些json数据发送到远程服务器(Rest,不在我的控制范围内):
我首先创建url和request方法:
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(gUrlDot);
request.Method = "POST";
Dictionary<String, String> lDictionary = new Dictionary<String, String>();
System.Text.UTF8Encoding encoding = new System.Text.UTF8Encoding();
Dot lDot= new Dot();
serviceContext lserviceContext = new serviceContext();
items litems = new items();
lDot.rad = pClient;
lDictionary.Add("companyId", "00230");
lDictionary.Add("treatmentDate", lGlobals.FormatDateYYYYMMDD());
lDictionary.Add("country", "FR");
lDictionary.Add("language", "fr");
lDictionary.Add("Id", "test");
litems.contextItem = lDictionary;
lDot.serviceContext = lserviceContext;
lDot.serviceContext.items = litems;
String Input=_Tools.JsonSerializer(lDot);
log.Debug("Input Dot " + Input);
Byte[] byteArray = encoding.GetBytes(Input);
request.ContentLength = byteArray.Length;
request.ContentType = @"application/json";
using (Stream dataStream = request.GetRequestStream())
{
dataStream.Write(byteArray, 0, byteArray.Length);
}
long length = 0;
当我到达这里时,它崩溃并执行:错误500!
try
{
using (var response = (HttpWebResponse)request.GetResponse())
{
length = response.ContentLength;
string output = response.ToString();
lTrace.AppendLine("-Flux Json recu => " + response.StatusCode + " " + length);
log.Debug("Output Dot " + output);
}
log.Info(LogsHelper.LogHeader("End processing Get list ", pClient, Service.SrvGetList, "", lResponse.StatusCode, lResponse.StatusLabel, lResponse.ResponseObject, ref lTrace));
}
catch (Exception ex)
{
lResponse.StatusCode = StatusCodes.ERROR_COMMUNICATION;
log.Error(LogsHelper.LogHeader("End processing Get list", pClient, Service.SrvGetList, "", lResponse.StatusCode, ex.Message, lResponse.ResponseObject, ref lTrace));
}
return lResponse;
}
我在这里想念什么?
500错误表示您要向其发送请求的服务器上存在问题。 您需要检查以确保两件事;
1)确保您的请求格式正确,并且所请求资源没有任何意外或无效值。
2)您要与之交谈的服务器可以收到请求,并且它是最新的(如果您控制客户端)。
无论哪种情况,最常见的原因都是500,这是客户端服务器上发生了超出您控制范围的错误。
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