tkhobbes

tkhobbes

Modern Front-End Development for Rails - application does not start after run bin/setup (page xviii)

After some hassle, I was able to finally run bin/setup, now I have started the rails server but I get this error message right when I visit the homepage:

ctionView::Template::Error (Webpacker can’t find application.css in /Users/thomas/Documents/Websites/rails-frontend/public/packs/manifest.json. Possible causes:

  1. You want to set webpacker.yml value of compile to true for your environment
    unless you are using the webpack -w or the webpack-dev-server.
  2. webpack has not yet re-run to reflect updates.
  3. You have misconfigured Webpacker’s config/webpacker.yml file.
  4. Your webpack configuration is not creating a manifest.
    Your manifest contains:
    {
    “application.js”: “/packs/js/application-e2d1692aebb36c02d64a.js”,
    “entrypoints”: {
    “application”: {
    “assets”: {
    “js”: [
    “/packs/js/runtime-a264c6705547ad01acbb.js”,
    “/packs/js/vendors-node_modules_rails_activestorage_app_assets_javascripts_activestorage_js-node_modules-2576d4-9a719947c3eb6bc6295c.js”,
    “/packs/js/application-e2d1692aebb36c02d64a.js”
    ]
    }
    }
    },
    “js/application-e2d1692aebb36c02d64a.js.map”: “/packs/js/application-e2d1692aebb36c02d64a.js.map”,
    “js/runtime-a264c6705547ad01acbb.js.map”: “/packs/js/runtime-a264c6705547ad01acbb.js.map”,
    “js/vendors-node_modules_rails_activestorage_app_assets_javascripts_activestorage_js-node_modules-2576d4-9a719947c3eb6bc6295c.js”: “/packs/js/vendors-node_modules_rails_activestorage_app_assets_javascripts_activestorage_js-node_modules-2576d4-9a719947c3eb6bc6295c.js”,
    “js/vendors-node_modules_rails_activestorage_app_assets_javascripts_activestorage_js-node_modules-2576d4-9a719947c3eb6bc6295c.js.map”: “/packs/js/vendors-node_modules_rails_activestorage_app_assets_javascripts_activestorage_js-node_modules-2576d4-9a719947c3eb6bc6295c.js.map”,
    “runtime.js”: “/packs/js/runtime-a264c6705547ad01acbb.js”
    }
    ):
    5:
    6: <%= csrf_meta_tags %>
    7: <%= csp_meta_tag %>
    8: <%= stylesheet_pack_tag(
    9: “application”,
    10: media: “all”,
    11: “data-turbolinks-track”: “reload”

app/views/layouts/application.html.erb:8

I am not 100% sure what is wrong here?

First Post!

noelrappin

noelrappin

Author of Modern Front-End Development for Rails

So, webpacker is not generating the application.css file for some reason – this is a webpack error that sometimes happens intermittently when webpacker gets into a strange state.

Are you running this off the sample code directly, or have you been trying to build the app yourself? Is there another error in the logs that suggests that the app/packs/entrypoint/application.scss file didn’t compile?

You could try removing the /public/packs directory and trying again?

I’m sorry you are having this problem.

Alternately, the second edition of the book doesn’t use webpack, and should be easier to set up, if you purchased the ebook from Pragmatic, you get the second edition for free, and it might be worth you trying out.

Noel

Where Next?

Popular Pragmatic Bookshelf topics Top

brianokken
Many tasks_proj/tests directories exist in chapters 2, 3, 5 that have tests that use the custom markers smoke and get, which are not decl...
New
edruder
I thought that there might be interest in using the book with Rails 6.1 and Ruby 2.7.2. I’ll note what I needed to do differently here. ...
New
joepstender
The generated iex result below should list products instead of product for the metadata. (page 67) iex&gt; product = %Product{} %Pento....
New
New
AndyDavis3416
@noelrappin Running the webpack dev server, I receive the following warning: ERROR in tsconfig.json TS18003: No inputs were found in c...
New
jskubick
I think I might have found a problem involving SwitchCompat, thumbTint, and trackTint. As entered, the SwitchCompat changes color to hol...
New
jgchristopher
“The ProductLive.Index template calls a helper function, live_component/3, that in turn calls on the modal component. ” Excerpt From: Br...
New
nicoatridge
Hi, I have just acquired Michael Fazio’s “Kotlin and Android Development” to learn about game programming for Android. I have a game in p...
New
digitalbias
Title: Build a Weather Station with Elixir and Nerves: Problem connecting to Postgres with Grafana on (page 64) If you follow the defau...
New
Henrai
Hi, I’m working on the Chapter 8 of the book. After I add add the point_offset, I’m still able to see acne: In the image above, I re...
New

Other popular topics Top

AstonJ
Curious to know which languages and frameworks you’re all thinking about learning next :upside_down_face: Perhaps if there’s enough peop...
New
AstonJ
poll poll Be sure to check out @Dusty’s article posted here: An Introduction to Alternative Keyboard Layouts It’s one of the best write-...
New
PragmaticBookshelf
Rust is an exciting new programming language combining the power of C with memory safety, fearless concurrency, and productivity boosters...
New
PragmaticBookshelf
Tailwind CSS is an exciting new CSS framework that allows you to design your site by composing simple utility classes to create complex e...
New
Exadra37
I am asking for any distro that only has the bare-bones to be able to get a shell in the server and then just install the packages as we ...
New
Margaret
Hello everyone! This thread is to tell you about what authors from The Pragmatic Bookshelf are writing on Medium.
1147 29841 760
New
foxtrottwist
A few weeks ago I started using Warp a terminal written in rust. Though in it’s current state of development there are a few caveats (tab...
New
PragmaticBookshelf
Rails 7 completely redefines what it means to produce fantastic user experiences and provides a way to achieve all the benefits of single...
New
AstonJ
If you want a quick and easy way to block any website on your Mac using Little Snitch simply… File &gt; New Rule: And select Deny, O...
New
PragmaticBookshelf
Get the comprehensive, insider information you need for Rails 8 with the new edition of this award-winning classic. Sam Ruby @rubys ...
New

Sub Categories: