How to Fix 'file_put_contents(): failed to open stream: Permission denied' Error in Laravel?

Resolving "file_put_contents(meta/services.json): failed to open stream: Permission denied" Error

When attempting to access http://localhost/test/public/ and encountering the "Error in exception handler" message, several steps can be taken to diagnose and resolve the issue.

Step 1: Permission Modification

After verifying that debug is set to true in app.php, one may notice the following error: "The stream or file "/var/www/html/test/app/storage/logs/laravel.log" could not be opened: failed to open stream: Permission denied." To address this, run the command chmod -R 644 app/storage.

Step 2: Further Investigation

Upon resolving the previous error, a new one may appear: "file_put_contents(/var/www/html/laravel/app/storage/meta/services.json): failed to open stream: Permission denied."

Solution:

To resolve this issue, follow the steps suggested by vsmoraes:

For Laravel >= 5.4:

1. Run php artisan cache:clear
2. Run chmod -R 775 storage/
3. Run composer dump-autoload

For Laravel < 5.4:

1. Run php artisan cache:clear
2. Run chmod -R 775 app/storage
3. Run composer dump-autoload

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