Asp.Net Core change url in launchSettings.json not working

Question

I want to change the default url ( http://localhost:5000 ) when i run the website as a console application .

I edited launchSettings.json but it doesn't work ... it still uses port 5000 :

    {
  "iisSettings": {
    "windowsAuthentication": false,
    "anonymousAuthentication": true,
    "iisExpress": {
      "applicationUrl": "http://localhost:4230/",
      "sslPort": 0
    }
  },
  "profiles": {
    "IIS Express": {
      "commandName": "IISExpress",
      "launchBrowser": true,
      "environmentVariables": {
        "ASPNETCORE_ENVIRONMENT": "Development"
      }
    },
    "website": {
      "commandName": "Project",
      "launchBrowser": true,
      "launchUrl": "http://localhost:80",
      "environmentVariables": {
        "ASPNETCORE_ENVIRONMENT": "Development"
      }
    }
  }
}

Did you try changing the url via project properties, rather than editing the launcher.json? I'd guess VS does update the IIS express web.config files with the url when you do it via the UI but doesn't when you run change it in the json — Tseng
– Tseng, Commented Jul 11, 2016 at 20:13
There are two places where the IISExpress ports are configured. First one is %userprofile%\Documents\IISExpress\config in the applicationhost.config. The other one is located solution-wide configuration in the .vs/config folder, same filename. This ones determine the port number used when IIS Express launches the application — Tseng
– Tseng, Commented Jul 11, 2016 at 20:17
It's incredible that 2 years later this still doesn't work!!! — hyankov
– hyankov, Commented Mar 22, 2019 at 3:25
You're trying to bind a port < 1024 as a regular user. Maybe it's defaulting to 5000? — Bluebaron
– Bluebaron, Commented Jan 22, 2020 at 19:17

Massimiliano Kraus · Accepted Answer · 2022-08-04 10:06:05Z

6

You need to add the url when you build the "BuildWebHost". Hope this one helps you https://github.com/aspnet/KestrelHttpServer/issues/639

Below is the code I use in my .net core 2.0 console application

public class Program
{
    public static void Main(string[] args)
    {
        BuildWebHost(args).Run();
    }

    public static IWebHost BuildWebHost(string[] args) =>
        WebHost.CreateDefaultBuilder(args)
            .UseStartup<Startup>()
            .UseUrls("http://localhost:5050/")
            .Build();
        
    
}

Screenshot of the console output:

edited Aug 4, 2022 at 10:06

Massimiliano Kraus

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answered Apr 5, 2018 at 17:17

Charan

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1 Comment

Stefan Crain Over a year ago

While this might be a valuable hint to solve the problem, a good answer also demonstrates the solution. Please edit to provide example code to show what you mean. Alternatively, consider writing this as a comment instead.

Set · Accepted Answer · 2016-07-12 10:57:27Z

3

Using Kestrel you can specify port using hosting.json file.

Add hosting.json with the following content to you project:

{
    "server.urls": "http://0.0.0.0:5002" 
}

and add to publishOptions in project.json

"publishOptions": {
"include": [
  "hosting.json"
  ]
}

and in entry point for the application call ".UseConfiguration(config)" when creating WebHostBuilder:

        public static void Main(string[] args)
        {
            var config = new ConfigurationBuilder()
                .SetBasePath(Directory.GetCurrentDirectory())
                .AddJsonFile("hosting.json", optional: true)
                .Build();

            var host = new WebHostBuilder()
                .UseConfiguration(config)
                .UseKestrel()
                .UseContentRoot(Directory.GetCurrentDirectory())
                .UseIISIntegration()
                .UseStartup<Startup>()
                .Build();

            host.Run();
        }

answered Jul 12, 2016 at 10:57

Set

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1 Comment

Zac Over a year ago

Alternatively, chain on .UseUrls("http://localhost:5002") after instantiating the WebHostBuilder

Matteus Barbosa · Accepted Answer · 2022-09-30 12:03:24Z

0

If you want this button working again with the ports you want

delete bin/Debug within your project folder and be happy

answered Sep 30, 2022 at 12:03

Matteus Barbosa

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Comments

scil · Accepted Answer · 2023-04-19 08:07:17Z

-2

I encountered similar problem, changing applicationUrl in launchSettings.json not work .

finally I founded that it is override by this item in appsettings.json or appsettings.Development.json

   "urls": "https://localhost:5101",

edited Apr 19, 2023 at 8:07

answered Apr 19, 2023 at 7:59

scil

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2 Comments

Ebbelink Over a year ago

This is not really a helpful answer. Please consider the answers in this post with multiple upvotes as well written and good effort answers. They all provide a context and explanation of the solution.

scil Over a year ago

@Ebbelink i encountered this kind of problem and fixed it. i think it's you who not understand

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