Response status code does not indicate success: 400 (Bad Request).

Question

Response status code does not indicate success: 400 (Bad Request).

Raed Hasan 1

i created a asp.net page since awhile (1 year) and hosted as App Service on Azure and i call a API and process a JSON response and everything was working normally but since 2 days i start getting this error when call , and this error happen only when open the page from published URL but when open it from local server before publishing its working normally, any idea why this start happening

string json = new WebClient().DownloadString(string.Format("https://api.weather.com/v2/pws/observations/current?stationId=XXXXX&format=json&units=e&apiKey={0}",apicode));

The remote server returned an error: (400) Bad Request.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Net.WebException: The remote server returned an error: (400) Bad Request.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[WebException: The remote server returned an error: (400) Bad Request.]
System.Net.WebClient.DownloadDataInternal(Uri address, WebRequest& request) +298
System.Net.WebClient.DownloadString(Uri address) +106
System.Net.WebClient.DownloadString(String address) +32
JordanMeteo.ZohorRealtime.GetRealtimeText() in c:\JordanMeteo\JordanMeteo\JordanMeteo\ZohorRealtime.aspx.cs:220
JordanMeteo.ZohorRealtime.ShowRecords() in c:\JordanMeteo\JordanMeteo\JordanMeteo\ZohorRealtime.aspx.cs:511
JordanMeteo.ZohorRealtime.Page_Load(Object sender, EventArgs e) in c:\JordanMeteo\JordanMeteo\JordanMeteo\ZohorRealtime.aspx.cs:179
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +52
System.Web.UI.Control.OnLoad(EventArgs e) +97
System.Web.UI.Control.LoadRecursive() +61
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4494.0

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2 answers

Your answer

Answer 1

Raed Hasan 1

i added <httpRuntime targetFramework="4.8"/> in web.config it back working perfectly in Azure App Service

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Answer 2

Lex Li 6,122

A remote API like weather.com can return anything it likes and that's out of your control. You will have to contact the vendor of that API for assistance and they might be able to tell you what's wrong and how to fix.

Raed Hasan 1 Reputation point

2022-11-10T06:11:50.47+00:00
what is weird when i run the page from dev server its working normally but when run from Azure it gives this error , and even i created a page with jQuery call and publish to Azure and worked normally, anyway i will contact vendor API.

<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
</head>
<body>
<script>
$( document ).ready(function() {
GetAllEvents()
});
function GetAllEvents() {
$.ajax({
async: false,
url: "https://api.weather.com/v2/pws/observations/current?stationId=XXXXX&format=json&units=e&apiKey=a12f0dedea3b4563af0dedea3b356392",
method: "GET",
success: function (data) {
console.log(data)

}, error: function (error) { console.log(JSON.stringify(error)); } }); }

</script>
</body>
</html>