Angular 6 : Refused to execute script from 'URL' because its MIME type( ) is not executable, & strict MIME type checking is enabled
Question
Getting following error while running .net Core Angular 6 SPA application:
The value for MIME type is blank:
Index.html File:
<html lang="en">
<head>
<meta charset="utf-8">
<title>APP</title>
<base href="/">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="icon" type="image/x-icon" href="favicon.ico">
</head>
<body>
<app-root>
<div id="startup-message">
<h1></h1>
<p><span></span></p>
</div>
</app-root>
</body>
</html>
Package.JSON:
Customer Headers added in Web.Config file:
<customHeaders>
<add name="Access-Control-Allow-Origin" value="*" />
<add name="Access-Control-Allow-Headers" value="Content-Type" />
<add name="Access-Control-Allow-Methods" value="GET, POST, PUT, DELETE, OPTIONS" />
<add name="X-Content-Type-Options" value="nosniff" />
</customHeaders>
2 answers
solution1
0 2019-10-02 08:16:53
I could not reproduce your problem.You could create a new asp,net core and Angular template app to check whether the problem exists and compare the files.
It is likely that you have wrong url for the js files.
Besides, X-Content-Type option: nosniff tells the browser to force the MIME of the resource to be loaded.Try to comment out that.
solution2
0 2019-11-25 19:12:12
Make sure you configure your static files BEFORE you configure your routes. In other words, something like this:
app.UseHttpsRedirection();
// nb: configure this first!!
app.UseStaticFiles();
if (!env.IsDevelopment())
{
app.UseSpaStaticFiles();
}
app.UseRouting();
app.UseAuthentication();
app.UseAuthorization();
app.UseEndpoints(endpoints =>
{
endpoints.MapControllers();
});
app.UseSpa(spa =>
{
spa.Options.SourcePath = "ClientApp";
spa.Options.StartupTimeout = new TimeSpan(0, 5, 0);
if (env.IsDevelopment())
{
spa.UseAngularCliServer(npmScript: "start");
}
});
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