Question

使用composer update或composer install收到此错误：

Loading composer repositories with package information
Installing dependencies (including require-dev) from lock file
Nothing to install or update
Generating autoload files
> Incenteev\ParameterHandler\ScriptHandler::buildParameters
Updating the "app/config/parameters.yml" file
> Sensio\Bundle\DistributionBundle\Composer\ScriptHandler::buildBootstrap
> Sensio\Bundle\DistributionBundle\Composer\ScriptHandler::clearCache
PHP Fatal error:  Class 'Psr\Log\LogLevel' not found in /var/www/html/Project/MRA/vendor/symfony/symfony/src/Symfony/Component/Debug/ErrorHandler.php on line 121
Script Sensio\Bundle\DistributionBundle\Composer\ScriptHandler::clearCache handling the post-install-cmd event terminated with an exception



  [RuntimeException]                                                                                                                                             
  An error occurred when executing the "'cache:clear --no-warmup'" command:                                                                                      
  PHP Fatal error:  Class 'Psr\Log\LogLevel' not found in /var/www/html/Project/MRA/vendor/symfony/symfony/src/Symfony/Component/Debug/ErrorHandler.php on line  
   121                                                                                                                                                           
  .                                                                                                                                                              



install [--prefer-source] [--prefer-dist] [--dry-run] [--dev] [--no-dev] [--no-plugins] [--no-custom-installers] [--no-autoloader] [--no-scripts] [--no-progress] [-v|vv|vvv|--verbose] [-o|--optimize-autoloader] [-a|--classmap-authoritative] [--ignore-platform-reqs] [--] [<packages>]...

我使用的是symfony 2.7.7，这是我的composer.json：

＆＃34; php＆＃34;：＆＃34;＆gt; = 5.3.9＆＃34;，
＆＃34; symfony / symfony＆＃34;：＆＃34; 2.7。*＆＃34;，
＆＃34; doctrine / orm＆＃34;：＆＃34; ^ 2.4.8＆＃34;，
＆＃34; doctrine / doctrine-bundle＆＃34;：＆＃34; ~1.4＆＃34;，
＆＃34; symfony / assetic-bundle＆＃34;：＆＃34; ~2.3＆＃34;，
＆＃34; symfony / swiftmailer-bundle＆＃34;：＆＃34; ~2.3＆＃34;，
＆＃34; symfony / monolog-bundle＆＃34;：＆＃34; ~2.4＆＃34;，
＆＃34; sensio / distribution-bundle＆＃34;：＆＃34; ~4.0＆＃34;，
＆＃34; sensio / framework-extra-bundle＆＃34;：＆＃34; ^ 3.0.2＆＃34;，
＆＃34; incenteev / composer-parameter-handler＆＃34;：＆＃34; ~2.0＆＃34;，
＆＃34; friendsofsymfony / user-bundle＆＃34;：＆＃34; ~1.3＆＃34;，
＆＃34; mopa / bootstrap-bundle＆＃34;：＆＃34; dev-master＆＃34;，
＆＃34; twbs / bootstrap＆＃34;：＆＃34; ^ 3.3＆＃34;，
＆＃34; knplabs / knp-paginator-bundle＆＃34;：＆＃34; dev-master＆＃34;，
＆＃34; knplabs / knp-menu-bundle＆＃34;：＆＃34; 2.0。* @ dev＆＃34;，
＆＃34; knplabs / knp-menu＆＃34;：＆＃34; 2.0。* @ dev＆＃34;，
＆＃34; craue / formflow-bundle＆＃34;：＆＃34; ~2.0＆＃34;，
＆＃34; friendsofsymfony / rest-bundle＆＃34;：＆＃34; ^ 1.7＆＃34;，
＆＃34; sonata-project / admin-bundle＆＃34;：＆＃34; 2.3。*＆＃34;，
＆＃34; sonata-project / doctrine-orm-admin-bundle＆＃34;：＆＃34; 2.3。*＆＃34;，
＆＃34; sonata-project / user-bundle＆＃34;：＆＃34; dev-master＆＃34;，
＆＃34; sonata-project / datagrid-bundle＆＃34;：＆＃34; dev-master＆＃34;，
＆＃34; siphoc / pdf-bundle＆＃34;：＆＃34; 1.2。*＆＃34;，
＆＃34; knplabs / knp-snappy-bundle＆＃34;：＆＃34; ^ 1.3＆＃34;，
＆＃34; sonata-project / easy-extends-bundle＆＃34;：＆＃34; ^ 2.1＆＃34;

Answer 1

好的，PSR Logger不在composer.json中，所以我补充道 "psr/log": "dev-master" composer.json并修正了错误。 PS：不知道为什么突然它因为没有安装而无法正常工作！

Class＆＃39; Psr \ Log \ LogLevel＆＃39;在ErrorHandler.php中找不到

1 个答案: