"CachePathException" Ensure a proper cache path is provided in Laravel 8

Upon returning to a project after a week without making any changes, my php artisan command suddenly stopped working. Strangely, this issue only affects this specific project, as other projects are running fine with php artisan. When attempting to execute artisan commands, I encountered the following error:

[InvalidArgumentException] Please provide valid cache path
:

PS C:\Users\Artur\PhpstormProjects\stuttard.de> php artisan serve

   InvalidArgumentException 

  Please provide a valid cache path.

  at C:\Users\Artur\PhpstormProjects\stuttard.de\vendor\laravel\framework\src\Illuminate\View\Compilers\Compiler.php:36
     32▕      */
     33▕     public function __construct(Filesystem $files, $cachePath)
     34▕     {
     35▕         if (! $cachePath) {
  ➜  36▕             throw new InvalidArgumentException('Please provide a valid cache path.');
     37▕         }
     38▕
     39▕         $this->files = $files;
     40▕         $this->cachePath = $cachePath;

  1   C:\Users\Artur\PhpstormProjects\stuttard.de\vendor\laravel\framework\src\Illuminate\View\ViewServiceProvider.php:88
      Illuminate\View\Compilers\Compiler::__construct(Object(Illuminate\Filesystem\Filesystem))

  2   C:\Users\Artur\PhpstormProjects\stuttard.de\vendor\laravel\framework\src\Illuminate\Container\Container.php:869
      Illuminate\View\ViewServiceProvider::Illuminate\View\{closure}(Object(Illuminate\Foundation\Application), [])

This discussion suggests creating three folders within the storage\framework directory:

  • sessions
  • views
  • cache

However, these folders already exist in my project:

https://i.stack.imgur.com/JphUo.png

Even after deleting and recreating those folders, the issue persists.

What steps should I take next?

Edit:

Deleting the vendor folder and running composer install leads to the same InvalidArgumentException during the process of executing

@php artisan package:discover --ansi
:

PS C:\Users\Artur\PhpstormProjects\stuttard.de> composer install
Installing dependencies from lock file (including require-dev)
Verifying lock file contents can be installed on current platform.
Package operations: 111 installs, 0 updates, 0 removals
 ... (continued installation logs) ...
Script @php artisan package:discover --ansi handling the post-autoload-dump event returned with error code 1

Answer №1

To properly compile and store blade templates, Laravel requires a caching directory.

The location of this directory is designated in the config.view file like so:

    'compiled' => env(
        'VIEW_COMPILED_PATH',
        realpath(storage_path('framework/views'))
    ),

Laravel first checks for the existence of the VIEW_COMPILED_PATH environment variable, and if not found, defaults to using storage/framework/views.

If Laravel encounters an issue obtaining the correct path, it will throw an InvalidArgumentException (view framework source code here).

If your project's compiled path appears incorrect, it may be due to the VIEW_COMPILED_PATH environment variable being empty or null:

VIEW_COMPILED_PATH=''

OR

VIEW_COMPILED_PATH=

If the value is accurate, something else, like Middleware, could have altered it.

Why does composer encounter issues?

During execution of composer install/update, Laravel triggers the composer script post-autoload-dump which executes php artisan package:discover.

The php artisan package:discover command refreshes the cached package manifest by clearing compiled views.

To resolve the problem, investigate why the config.view.compiled entry yields an inappropriate value.

Answer №2

Give these commands a try and see the results.

php artisan optimize:clear

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