Laravel 9 composer syntax error, unexpected token …

After in my Laravel 9 project I run composer update I faced this error message:

Writing lock file
Installing dependencies from lock file (including require-dev)
Package operations: 0 installs, 1 update, 1 removal
  - Downloading fruitcake/laravel-cors (v3.0.0)
  - Removing asm89/stack-cors (v2.1.1)
  - Upgrading fruitcake/laravel-cors (v2.2.0 => v3.0.0): Extracting archive
77 package suggestions were added by new dependencies, use `composer suggest` to see details.
Generating optimized autoload files
> IlluminateFoundationComposerScripts::postAutoloadDump
> @php artisan package:discover --ansi

In Finder.php line 588:

  syntax error, unexpected token ")"


Script @php artisan package:discover --ansi handling the post-autoload-dump event returned with error code 1

It seems update was finished, but something went wrong and now in the console I get syntax error, unexpected token ")" error on Finder.php:588.

I checked this file and it’s looks correct.

When I open my project in browser I get this error:

Fatal error: Uncaught RuntimeException: A facade root has not been set. in /var/www/html/vendor/laravel/framework/src/Illuminate/Support/Facades/Facade.php:334
Stack trace:
#0 /var/www/html/vendor/laravel/framework/src/Illuminate/Foundation/Exceptions/RegisterErrorViewPaths.php(18): IlluminateSupportFacadesFacade::__callStatic('replaceNamespac...', Array)
#1 /var/www/html/vendor/laravel/framework/src/Illuminate/Foundation/Exceptions/Handler.php(626): IlluminateFoundationExceptionsRegisterErrorViewPaths->__invoke()
#2 /var/www/html/vendor/laravel/framework/src/Illuminate/Foundation/Exceptions/Handler.php(607): IlluminateFoundationExceptionsHandler->registerErrorViewPaths()
#3 /var/www/html/vendor/laravel/framework/src/Illuminate/Foundation/Exceptions/Handler.php(538): IlluminateFoundationExceptionsHandler->renderHttpException(Object(SymfonyComponentHttpKernelExceptionHttpException))
#4 /var/www/html/vendor/laravel/framework/src/Illuminate/Foundation/Exceptions/Handler.php(444): IlluminateFoundationExceptionsHandler->prepareResponse(Object(IlluminateHttpRequest), Object(SymfonyComponentHttpKernelExceptionHttpException))
#5 /var/www/html/vendor/laravel/framework/src/Illuminate/Foundation/Exceptions/Handler.php(364): IlluminateFoundationExceptionsHandler->renderExceptionResponse(Object(IlluminateHttpRequest), Object(ParseError))
#6 /var/www/html/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(427): IlluminateFoundationExceptionsHandler->render(Object(IlluminateHttpRequest), Object(ParseError))
#7 /var/www/html/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(115): IlluminateFoundationHttpKernel->renderException(Object(IlluminateHttpRequest), Object(ParseError))
#8 /var/www/html/public/index.php(52): IlluminateFoundationHttpKernel->handle(Object(IlluminateHttpRequest))
#9 {main}
  thrown in /var/www/html/vendor/laravel/framework/src/Illuminate/Support/Facades/Facade.php on line 334

I cleared all the caches in bootstrap/cahce/ and in storage/framework/cache/data/, storage/framework/sessions/, storage/framework/views/ folders too.

I use PHP version 8.0.16.

Composer version 2.0.12 2021-04-01 10:14:59.

Any idea how can I fix this?

Answer

I found a soution:

upgrade to PHP 8.1
run docker pull composer to upgrade latest version of composer (from 2.0 to 2.2)
run composer update in Docker container

Laravel 9 composer syntax error, unexpected token “)”

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Answer