Clean install of Laravel 9.16.0 on PHP 8.1.6 -> Unexpected token in class loader

[sblindt]

Hey everyone,

Please see the stack trace below. I am easily able to reproduce on a fresh, clean install using Laravel 9 on PHP 8.1. To date, I have not been able to use Laravel 9 on PHP 8.1.

[2022-06-07 11:34:36] laravel.EMERGENCY: Unable to create configured logger. Using emergency logger. {"exception":"[object] (InvalidArgumentException(code: 0): Log [] is not defined. at /vendor/laravel/framework/src/Illuminate/Log/LogManager.php:207)
[stacktrace]
#0 /home/vagrant/code/repo/vendor/laravel/framework/src/Illuminate/Log/LogManager.php(132): Illuminate\Log\LogManager->resolve()
#1 /home/vagrant/code/repo/vendor/laravel/framework/src/Illuminate/Log/LogManager.php(119): Illuminate\Log\LogManager->get()
#2 /home/vagrant/code/repo/vendor/laravel/framework/src/Illuminate/Log/LogManager.php(702): Illuminate\Log\LogManager->driver()
#3 /home/vagrant/code/repo/vendor/laravel/framework/src/Illuminate/Foundation/Exceptions/Handler.php(274): Illuminate\Log\LogManager->log()
#4 /home/vagrant/code/repo/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(415): Illuminate\Foundation\Exceptions\Handler->report()
#5 /home/vagrant/code/repo/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(113): Illuminate\Foundation\Http\Kernel->reportException()
#6 /home/vagrant/code/repo/public/index.php(52): Illuminate\Foundation\Http\Kernel->handle()
#7 {main}
"}

[2022-06-07 11:34:36] laravel.ERROR: syntax error, unexpected token ")" {"exception":"[object] (ParseError(code: 0): syntax error, unexpected token ")" at /home/vagrant/code/repo/vendor/symfony/finder/Finder.php:588)
[stacktrace]
#0 /home/vagrant/code/repo/vendor/composer/ClassLoader.php(428): Composer\Autoload\includeFile()
#1 /home/vagrant/code/repo/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/LoadConfiguration.php(88): Composer\Autoload\ClassLoader->loadClass()
#2 /home/vagrant/code/repo/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/LoadConfiguration.php(65): Illuminate\Foundation\Bootstrap\LoadConfiguration->getConfigurationFiles()
#3 /home/vagrant/code/repo/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/LoadConfiguration.php(39): Illuminate\Foundation\Bootstrap\LoadConfiguration->loadConfigurationFiles()
#4 /home/vagrant/code/repo/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(239): Illuminate\Foundation\Bootstrap\LoadConfiguration->bootstrap()
#5 /home/vagrant/code/repo/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(153): Illuminate\Foundation\Application->bootstrapWith()
#6 /home/vagrant/code/repo/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(137): Illuminate\Foundation\Http\Kernel->bootstrap()
#7 /home/vagrant/code/repo/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(111): Illuminate\Foundation\Http\Kernel->sendRequestThroughRouter()
#8 /home/vagrant/code/repo/public/index.php(52): Illuminate\Foundation\Http\Kernel->handle()
#9 {main}
"}