全新签出后运行"composer install"时，“未设置Facade根目录" [英] 'A Facade root has not been set' when running `composer install` after a fresh checkout

问题描述

我最近有一台新PC，并开始将我的项目开发迁移到该PC.我已经安装了php，composer和git并将其签出.我运行composer install，它会拉入所有依赖项，但会引发以下错误:

I've recently got a new PC and started to migrate the development of my project over to it. I've installed php, composer and git and checked it out. I run composer install, which pulls in all of the dependencies but then throws the following error:

Writing lock file
Generating optimized autoload files
> Illuminate\Foundation\ComposerScripts::postAutoloadDump
> @php artisan package:discover
PHP Fatal error:  Uncaught RuntimeException: A facade root has not been set. in /home/user/PhpstormProjects/project/vendor/laravel/framework/src/Illuminate/Support/Facades/Facade.php:234
Stack trace:
#0 /home/user/PhpstormProjects/project/app/Exceptions/Handler.php(61): Illuminate\Support\Facades\Facade::__callStatic('environment', Array)
#1 /home/user/PhpstormProjects/project/vendor/laravel/framework/src/Illuminate/Foundation/Console/Kernel.php(353): App\Exceptions\Handler->report(Object(Symfony\Component\Debug\Exception\FatalThrowableError))
#2 /home/user/PhpstormProjects/project/vendor/laravel/framework/src/Illuminate/Foundation/Console/Kernel.php(132): Illuminate\Foundation\Console\Kernel->reportException(Object(Symfony\Component\Debug\Exception\FatalThrowableError))
#3 /home/user/PhpstormProjects/project/artisan(33): Illuminate\Foundation\Console\Kernel->handle(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
# in /home/user/PhpstormProjects/project/vendor/laravel/framework/src/Illuminate/Support/Facades/Facade.php on line 234

Script @php artisan package:discover handling the post-autoload-dump event returned with error code 255

我尝试删除vendor目录和composer.lock文件，然后重新运行composer install，但是出现相同的错误.它在我的旧机器上运行良好.我在这里错过了一步吗?

I've tried to delete the vendor directory and the composer.lock file and then re-run composer install, but I get the same error. It runs fine on my old machine. Am I missing a step here?

推荐答案

在清理日志后，发现这归因于缺少的php7.3-mysql驱动程序.运行sudo apt-get install php7.3-mysql解决了该问题！

After scouring the logs, it turns out that this was down to a missing php7.3-mysql driver. Running sudo apt-get install php7.3-mysql solved the problem!

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