Error in exception handler. - Laravel

Stefan Izdrail

Founder & Senior Architect · 2026-06-29

Laravel Company
Title: Troubleshooting Error in Exception Handler with Laravel on Unix Server Body:

Error in exception handler is a common issue experienced while running Laravel applications on a Unix server, especially when using Composer for installation and configuration. In this blog post, we will explore the causes of this problem and provide solutions to address it. We'll also cover essential points related to Laravel setup and best practices.

Checking your virtual host configuration

Inaccuracies in the virtual host configuration might be contributing to the error issue. Ensure that you have correctly set up your VirtualHost block as follows:
<VirtualHost *:80>
ServerAdmin webmaster@mydomain.org
DocumentRoot "/var/www/mydomain"
ServerName mydomain.org
ServerAlias www.mydomain.org
ErrorLog "/var/log/mydomain.org-error_log"
CustomLog "/var/log/mydomain.org-access_log" common
</VirtualHost>
Make sure the DocumentRoot points to your Laravel project's directory, which is '/var/www/mydomain/my-laravel-project/public'. Verify that the correct URL is being used in the browser: http://mydomain.org/my-laravel-project/public/.

Ensure Laravel installation through Composer

Properly install and configure your Laravel project using Composer. Make sure the 'composer.json' file has been pulled down from GitHub, and run 'composer update' to install dependencies and the Laravel framework. Double-check that you're in the directory of your Laravel application and running the command 'composer create-project laravel/laravel my-laravel-project'.

Proper Apache configuration

Make sure that your Apache configuration is set up correctly. You may need to use a .htaccess file within your public directory as follows:
.htaccess
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /my-laravel-project/public
RewriteRule ^(.*)$ index.php [L]
Restart Apache to ensure the configuration changes take effect.

Check for other issues

Sometimes, other factors can cause this issue. Ensure that: - Your PHP version is up-to-date and compatible with Laravel's requirements. - The file permissions of your Laravel project folder are set appropriately - usually 755 for directories and 644 for files. - There aren't any syntax errors in your .env file or application code, as they can cause unexpected behavior.

Inspecting logs

Despite all the above checks and precautions, if you still face issues with the error in exception handling, inspect your Laravel, Apache, and system logs for more information. You may need to enable debugging to see detailed messages about where the issue is occurring.

Conclusion

By following these steps and best practices, you should be able to resolve most error in exception handler issues with your Laravel application on a Unix server using Composer for installation. If the problem persists, reach out to your hosting provider or community support channels for further assistance. Always remember to thoroughly test your setups and ensure that everything is configured properly before going live with your application.