php - 在 linux 上启动新的 php-laravel 项目时服务器 500
问题描述
我的 php 经验为零，但需要启动我克隆的现有应用程序（它应该是功能性的），以快速测试它。我想我已经很接近让它工作了。
如果我运行php artisan serve：
[franck@franck-vee appliweb]$ php artisan serve
Starting Laravel development server: http://127.0.0.1:8000
[Tue Sep 28 13:31:56 2021] PHP 8.0.10 Development Server (http://127.0.0.1:8000) started
[Tue Sep 28 13:32:00 2021] 127.0.0.1:34716 Accepted
[Tue Sep 28 13:32:00 2021] 127.0.0.1:34716 Closing
[Tue Sep 28 13:32:00 2021] 127.0.0.1:34722 Accepted
[Tue Sep 28 13:32:00 2021] 127.0.0.1:34722 [200]: GET /favicon.ico
[Tue Sep 28 13:32:00 2021] 127.0.0.1:34722 Closing
但是，如果我访问 localhost:8000 ，我会得到
，这似乎是 Laravel 500 错误页面。所以我正在服务，这很好，但应用程序并没有真正运行。
我已经完成的安装步骤：
- 将源 coe 和 cd 的 git 存储库克隆到项目根目录
- 安装 php、composer、npm（用于 javascript）并验证它们在我的系统上工作（都在我的系统上返回有效版本）
- 从项目根目录运行 npm install、composer install 以安装 composer.lock、package.lock 的内容，它们存在于项目根目录
php artisan serve从项目根目录
在收到 500 服务器错误后，如果查看日志（在 storage/logs/laravel.logs 中），我会发现以下堆栈跟踪：
[2021-09-28 17:40:49] production.ERROR: No application encryption key has been specified. {"exception":"[object] (Illuminate\\Encryption\\MissingAppKeyException(code: 0): No application encryption key has been specified. at /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Encryption/EncryptionServiceProvider.php:79)
[stacktrace]
#0 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Support/helpers.php(263): Illuminate\\Encryption\\EncryptionServiceProvider->Illuminate\\Encryption\\{closure}()
#1 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Encryption/EncryptionServiceProvider.php(81): tap()
#2 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Encryption/EncryptionServiceProvider.php(60): Illuminate\\Encryption\\EncryptionServiceProvider->key()
#3 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Encryption/EncryptionServiceProvider.php(32): Illuminate\\Encryption\\EncryptionServiceProvider->parseKey()
#4 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(829): Illuminate\\Encryption\\EncryptionServiceProvider->Illuminate\\Encryption\\{closure}()
#5 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(714): Illuminate\\Container\\Container->build()
#6 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(841): Illuminate\\Container\\Container->resolve()
#7 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(652): Illuminate\\Foundation\\Application->resolve()
#8 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(826): Illuminate\\Container\\Container->make()
#9 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(987): Illuminate\\Foundation\\Application->make()
#10 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(907): Illuminate\\Container\\Container->resolveClass()
#11 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(868): Illuminate\\Container\\Container->resolveDependencies()
#12 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(714): Illuminate\\Container\\Container->build()
#13 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(841): Illuminate\\Container\\Container->resolve()
#14 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(652): Illuminate\\Foundation\\Application->resolve()
#15 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(826): Illuminate\\Container\\Container->make()
#16 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(156): Illuminate\\Foundation\\Application->make()
#17 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(103): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#18 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Routing/Router.php(695): Illuminate\\Pipeline\\Pipeline->then()
#19 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Routing/Router.php(670): Illuminate\\Routing\\Router->runRouteWithinStack()
#20 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Routing/Router.php(636): Illuminate\\Routing\\Router->runRoute()
#21 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Routing/Router.php(625): Illuminate\\Routing\\Router->dispatchToRoute()
#22 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(166): Illuminate\\Routing\\Router->dispatch()
#23 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(128): Illuminate\\Foundation\\Http\\Kernel->Illuminate\\Foundation\\Http\\{closure}()
#24 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#25 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(167): Illuminate\\Foundation\\Http\\Middleware\\TransformsRequest->handle()
#26 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#27 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(167): Illuminate\\Foundation\\Http\\Middleware\\TransformsRequest->handle()
#28 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/ValidatePostSize.php(27): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#29 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(167): Illuminate\\Foundation\\Http\\Middleware\\ValidatePostSize->handle()
#30 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/PreventRequestsDuringMaintenance.php(86): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#31 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(167): Illuminate\\Foundation\\Http\\Middleware\\PreventRequestsDuringMaintenance->handle()
#32 /home/franck/Documents/PRO/foobar/appliweb/vendor/fruitcake/laravel-cors/src/HandleCors.php(37): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#33 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(167): Fruitcake\\Cors\\HandleCors->handle()
#34 /home/franck/Documents/PRO/foobar/appliweb/vendor/fideloper/proxy/src/TrustProxies.php(57): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#35 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(167): Fideloper\\Proxy\\TrustProxies->handle()
#36 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(103): Illuminate\\Pipeline\\Pipeline->Illuminate\\Pipeline\\{closure}()
#37 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(141): Illuminate\\Pipeline\\Pipeline->then()
#38 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(110): Illuminate\\Foundation\\Http\\Kernel->sendRequestThroughRouter()
#39 /home/franck/Documents/PRO/foobar/appliweb/public/index.php(52): Illuminate\\Foundation\\Http\\Kernel->handle()
#40 /home/franck/Documents/PRO/foobar/appliweb/server.php(21): require_once('...')
#41 {main}
"}
[2021-09-28 17:40:49] production.ERROR: No application encryption key has been specified. {"exception":"[object] (Illuminate\\Encryption\\MissingAppKeyException(code: 0): No application encryption key has been specified. at /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Encryption/EncryptionServiceProvider.php:79)
[stacktrace]
#0 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Support/helpers.php(263): Illuminate\\Encryption\\EncryptionServiceProvider->Illuminate\\Encryption\\{closure}()
#1 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Encryption/EncryptionServiceProvider.php(81): tap()
#2 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Encryption/EncryptionServiceProvider.php(60): Illuminate\\Encryption\\EncryptionServiceProvider->key()
#3 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Encryption/EncryptionServiceProvider.php(32): Illuminate\\Encryption\\EncryptionServiceProvider->parseKey()
#4 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(829): Illuminate\\Encryption\\EncryptionServiceProvider->Illuminate\\Encryption\\{closure}()
#5 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(714): Illuminate\\Container\\Container->build()
#6 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(841): Illuminate\\Container\\Container->resolve()
#7 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(652): Illuminate\\Foundation\\Application->resolve()
#8 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(826): Illuminate\\Container\\Container->make()
#9 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(987): Illuminate\\Foundation\\Application->make()
#10 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(907): Illuminate\\Container\\Container->resolveClass()
#11 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(868): Illuminate\\Container\\Container->resolveDependencies()
#12 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(714): Illuminate\\Container\\Container->build()
#13 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(841): Illuminate\\Container\\Container->resolve()
#14 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(652): Illuminate\\Foundation\\Application->resolve()
#15 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(826): Illuminate\\Container\\Container->make()
#16 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(205): Illuminate\\Foundation\\Application->make()
#17 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(179): Illuminate\\Foundation\\Http\\Kernel->terminateMiddleware()
#18 /home/franck/Documents/PRO/foobar/appliweb/public/index.php(55): Illuminate\\Foundation\\Http\\Kernel->terminate()
#19 /home/franck/Documents/PRO/foobar/appliweb/server.php(21): require_once('...')
#20 {main}
"}
[2021-09-28 17:42:09] production.ERROR: file_get_contents(/home/franck/Documents/PRO/foobar/appliweb/.env): Failed to open stream: No such file or directory {"exception":"[object] (ErrorException(code: 0): file_get_contents(/home/franck/Documents/PRO/foobar/appliweb/.env): Failed to open stream: No such file or directory at /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Foundation/Console/KeyGenerateCommand.php:96)
[stacktrace]
#0 [internal function]: Illuminate\\Foundation\\Bootstrap\\HandleExceptions->handleError()
#1 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Foundation/Console/KeyGenerateCommand.php(96): file_get_contents()
#2 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Foundation/Console/KeyGenerateCommand.php(80): Illuminate\\Foundation\\Console\\KeyGenerateCommand->writeNewEnvironmentFileWith()
#3 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Foundation/Console/KeyGenerateCommand.php(45): Illuminate\\Foundation\\Console\\KeyGenerateCommand->setKeyInEnvironmentFile()
#4 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(36): Illuminate\\Foundation\\Console\\KeyGenerateCommand->handle()
#5 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Container/Util.php(40): Illuminate\\Container\\BoundMethod::Illuminate\\Container\\{closure}()
#6 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(93): Illuminate\\Container\\Util::unwrapIfClosure()
#7 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(37): Illuminate\\Container\\BoundMethod::callBoundMethod()
#8 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Container/Container.php(611): Illuminate\\Container\\BoundMethod::call()
#9 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Console/Command.php(136): Illuminate\\Container\\Container->call()
#10 /home/franck/Documents/PRO/foobar/appliweb/vendor/symfony/console/Command/Command.php(256): Illuminate\\Console\\Command->execute()
#11 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Console/Command.php(121): Symfony\\Component\\Console\\Command\\Command->run()
#12 /home/franck/Documents/PRO/foobar/appliweb/vendor/symfony/console/Application.php(971): Illuminate\\Console\\Command->run()
#13 /home/franck/Documents/PRO/foobar/appliweb/vendor/symfony/console/Application.php(290): Symfony\\Component\\Console\\Application->doRunCommand()
#14 /home/franck/Documents/PRO/foobar/appliweb/vendor/symfony/console/Application.php(166): Symfony\\Component\\Console\\Application->doRun()
#15 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Console/Application.php(92): Symfony\\Component\\Console\\Application->run()
#16 /home/franck/Documents/PRO/foobar/appliweb/vendor/laravel/framework/src/Illuminate/Foundation/Console/Kernel.php(129): Illuminate\\Console\\Application->run()
#17 /home/franck/Documents/PRO/foobar/appliweb/artisan(37): Illuminate\\Foundation\\Console\\Kernel->handle()
#18 {main}
"}
我发现了一些参考资料，指出php artisan key:generate应该为我生成这样的密钥并解决错误。但是，如果我运行最后一个命令，我会收到另一个错误：
[franck@franck-vee appli-assurance]$ php artisan key:generate
ErrorException
file_get_contents(/home/franck/Documents/PRO/kbrs/appli-assurance/.env): Failed to open stream: No such file or directory
at vendor/laravel/framework/src/Illuminate/Foundation/Console/KeyGenerateCommand.php:96
92▕ {
93▕ file_put_contents($this->laravel->environmentFilePath(), preg_replace(
94▕ $this->keyReplacementPattern(),
95▕ 'APP_KEY='.$key,
➜ 96▕ file_get_contents($this->laravel->environmentFilePath())
97▕ ));
98▕ }
99▕
100▕ /**
+16 vendor frames
17 artisan:37
Illuminate\Foundation\Console\Kernel::handle()
我开始认为我错过了上游的一些关键。我应该在项目中有某种 .env 文件吗？没有来自 git repo 的数据。可能是某些环境文件/变量不存在吗？或者我需要运行其他工匠/作曲家命令，然后才能考虑启动它？
解决方案
您的根目录中似乎没有.env文件。您需要创建一个.env可以从.env.example.
之后，您可以运行php artisan key:generate，它应该可以正常工作。
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