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Symfony Error: "An exception has been thrown during the rendering of a template"

I am trying to include

<link href="{{ asset('css/mystyle.css') }}"
      rel="stylesheet"/> 

in my twig file and render it. But it gives me Uncaught PHP Exception Twig_Error_Runtime:

"An exception has been thrown during the rendering of a template ("Asset manifest file "/../public/build/manifest.json" does not exist.")

It does work when i use

link href="css/mystyle.css"
          rel="stylesheet"/>

. Following is my controller:

    <?php

namespace App\Controller;

use Symfony\Component\Routing\Annotation\Route;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Response;

class WelcomeController extends AbstractController
{
    /**
     * @Route("/", name="welcome")
     */
    public function index()
    {
        return $this->render('welcome/index.html.twig');
    }
}

Following is my twig template:

<!doctype html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <meta name="description" content="">
    <meta name="author" content="">

    <title>Let's Explore Symfony 4</title>

    <!-- Bootstrap core CSS -->
    <link rel="stylesheet"
          href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.3/css/bootstrap.min.css"
          integrity="sha384-Zug+QiDoJOrZ5t4lssLdxGhVrurbmBWopoEl+M6BdEfwnCJZtKxi1KgxUyJq13dy"
          crossorigin="anonymous">

    <link href="{{ asset('css/mystyle.css') }}"
          rel="stylesheet"/>

</head>

<body>
<header>
    <nav class="navbar navbar-expand-sm navbar-dark bg-dark">
        <div class="container">

            <a class="navbar-brand" href="#">Home</a>

            <div class="collapse navbar-collapse">
                <ul class="navbar-nav mr-auto">
                    <li class="nav-item">
                        <a class="nav-link" href="#">Hello Page</a>
                    </li>
                </ul>
            </div>
        </div>

    </nav>
</header>

<main role="main" class="container main">
    <div>
        <h1>Let's Explore Symfony 4</h1>
        <p class="lead">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras rutrum sapien mauris, venenatis
            facilisis neque tincidunt vel. Maecenas vel felis vel turpis scelerisque eleifend. Fusce nec purus egestas,
            efficitur nisi ac, ultrices nulla. Pellentesque eu mollis tortor, in mollis nisl. Maecenas rhoncus quam non
            lacinia mollis.</p>
    </div>
</main>
</body>
</html>

How can i resolve this issue?

like image 733
Bijaya Basnet Avatar asked Jul 18 '18 04:07

Bijaya Basnet


2 Answers

Execute the below commands:

yarn add --dev @symfony/webpack-encore

yarn add webpack-notifier --dev

yarn encore dev

It will generate the manifest.json file

like image 180
Sarath Kumar Avatar answered Sep 20 '22 18:09

Sarath Kumar


I have resolved this problem by not using json_manifest_path: ~

comment out the json_manifest_path by adding '#' in front of it and add '~' after 'assets:'

framework:
    assets: ~
        #json_manifest_path: '%kernel.project_dir%/public/build/manifest.json'
like image 38
Ham Dong Kyun Avatar answered Sep 17 '22 18:09

Ham Dong Kyun