Add-Migration not working for ASP.NET Core with Entity Framework Core

Question

I've a problem with Add-Migration commend. When I run

Add-Migration InitialMigration

I'm getting an error message:

Invalid JSON file in C:\Projects\asdf\project.json

Here's my project.json file:

{
  "dependencies": {
    "Microsoft.NETCore.App": {
      "version": "1.1.0",
      "type": "platform"
    },
    "Microsoft.AspNetCore.AngularServices": "1.0.0-*",
    "Microsoft.AspNetCore.Razor.Tools": {
      "version": "1.0.0-preview2-final",
      "type": "build"
    },
    "Microsoft.AspNetCore.Diagnostics": "1.1.0",
    "Microsoft.AspNetCore.Mvc": "1.1.0",
    "Microsoft.AspNetCore.Server.IISIntegration": "1.1.0",
    "Microsoft.AspNetCore.Server.Kestrel": "1.1.0",
    "Microsoft.AspNetCore.StaticFiles": "1.1.0",
    "Microsoft.Extensions.Configuration.CommandLine": "1.1.0",
    "Microsoft.Extensions.Configuration.EnvironmentVariables": "1.1.0",
    "Microsoft.Extensions.Configuration.Json": "1.1.0",
    "Microsoft.EntityFrameworkCore.Tools": "1.0.0-preview2-final",
    "Microsoft.EntityFrameworkCore.Design": "1.1.0",
    "Microsoft.Extensions.Logging": "1.1.0",
    "Microsoft.Extensions.Logging.Console": "1.1.0",
    "Microsoft.Extensions.Logging.Debug": "1.1.0",
    "Microsoft.Extensions.Options.ConfigurationExtensions": "1.1.0",
    "Microsoft.EntityFrameworkCore.SqlServer": "1.1.0",
  },

  "tools": {
    "Microsoft.AspNetCore.Razor.Tools": "1.0.0-preview2-final",
    "Microsoft.AspNetCore.Server.IISIntegration.Tools": "1.1.0-preview4-final",
    "Microsoft.DotNet.Watcher.Tools": "1.0.0-preview2-final",
    "Microsoft.EntityFrameworkCore.Tools": "1.0.0-preview2-final"
  },

  "frameworks": {
    "netcoreapp1.0": {
      "imports": [
        "dotnet5.6",
        "portable-net45+win8"
      ]
    }
  },

  "buildOptions": {
    "emitEntryPoint": true,
    "preserveCompilationContext": true
  },

  "runtimeOptions": {
    "configProperties": {
      "System.GC.Server": true
    }
  },

  "publishOptions": {
    "include": [
      "appsettings.json",
      "ClientApp/dist",
      "node_modules",
      "Views",
      "web.config",
      "wwwroot"
    ]
  },

  "scripts": {
    "prepublish": [
      "npm install",
      "node node_modules/webpack/bin/webpack.js --config webpack.config.vendor.js --env.prod",
      "node node_modules/webpack/bin/webpack.js --env.prod"
    ],
    "postpublish": [ "dotnet publish-iis --publish-folder %publish:OutputPath% --framework %publish:FullTargetFramework%" ]
  },

  "tooling": {
    "defaultNamespace": "Travelingowe"
  }
}

Do you have any ide what is wrong with this code?

UPDATED: There was a problem with comma.

I used JSONLint:

Error: Parse error on line 26: ...lServer": "1.1.0", }, "tools": { "M ----------------------^ Expecting 'STRING', got '}'

Answer 1

You have an extra comma on line 26 according to jsonlint.com. Please remove the comma and it should be valid JSON.