ReflectionException：类不存在

我遇到这个错误，当我试图运行作曲家ReflectionException：类不存在

{ 
    "name": "zepluf/standard-edition", 
    "description": "The \"ZePLUF Standard Edition\" distribution", 
    "autoload": { 
     "psr-0": { "": "src/" } 
    }, 
    "require": { 
     "php": ">=5.3.3", 
     "symfony/symfony": ">=2.1", 
     "symfony/framework-bundle": ">=2.1", 
     "doctrine/orm": ">=2.2.3,<2.4-dev", 
     "doctrine/doctrine-bundle": "1.0.*", 
     "twig/extensions": "1.0.*", 
     "symfony/assetic-bundle": "2.1.*", 
     "symfony/swiftmailer-bundle": "2.1.*", 
     "symfony/monolog-bundle": "2.1.*", 
     "sensio/distribution-bundle": "2.1.*", 
     "sensio/framework-extra-bundle": "2.1.*", 
     "sensio/generator-bundle": "2.1.*" 
    }, 
    "scripts": { 
     "post-install-cmd": [ 
      "Sensio\\Bundle\\DistributionBundle\\Composer\\ScriptHandler::buildBootstrap", 
      "Sensio\\Bundle\\DistributionBundle\\Composer\\ScriptHandler::clearCache", 
      "Sensio\\Bundle\\DistributionBundle\\Composer\\ScriptHandler::installAssets", 
      "Sensio\\Bundle\\DistributionBundle\\Composer\\ScriptHandler::installRequirementsFile" 
     ], 
     "post-update-cmd": [ 
      "Sensio\\Bundle\\DistributionBundle\\Composer\\ScriptHandler::buildBootstrap", 
      "Sensio\\Bundle\\DistributionBundle\\Composer\\ScriptHandler::clearCache", 
      "Sensio\\Bundle\\DistributionBundle\\Composer\\ScriptHandler::installAssets", 
      "Sensio\\Bundle\\DistributionBundle\\Composer\\ScriptHandler::installRequirementsFile" 
     ] 
    }, 
    "minimum-stability": "dev", 
    "extra": { 
     "symfony-app-dir": "app", 
     "symfony-web-dir": "web" 
    } 
}

这似乎是莫名其妙的空类名是过去了，但我不太知道如何调试回溯轨迹以找到它的位置。

D:\Programming\xampp\htdocs\demo\zepluf>composer update --verbose 
Loading composer repositories with package information 
Updating dependencies 
Nothing to install or update 
Generating autoload files 



    [ReflectionException] 
    Class does not exist 



Script Sensio\Bundle\DistributionBundle\Composer\ScriptHandler::clearCache handl 
ing the post-update-cmd event terminated with an exception 



    [RuntimeException] 
    An error occurred when executing the ""cache:clear --no-warmup"" command. 



Exception trace: 
() at D:\Programming\xampp\htdocs\demo\zepluf\vendor\sensio\distribution-bundle 
\Sensio\Bundle\DistributionBundle\Composer\ScriptHandler.php:137 
Sensio\Bundle\DistributionBundle\Composer\ScriptHandler::executeCommand() at D: 
\Programming\xampp\htdocs\demo\zepluf\vendor\sensio\distribution-bundle\Sensio\B 
undle\DistributionBundle\Composer\ScriptHandler.php:48 
Sensio\Bundle\DistributionBundle\Composer\ScriptHandler::clearCache() at phar:/ 
/C:/ProgramData/Composer/bin/composer.phar/src/Composer/Script/EventDispatcher.p 
hp:122 
Composer\Script\EventDispatcher->executeEventPhpScript() at phar://C:/ProgramDa 
ta/Composer/bin/composer.phar/src/Composer/Script/EventDispatcher.php:101 
Composer\Script\EventDispatcher->doDispatch() at phar://C:/ProgramData/Composer 
/bin/composer.phar/src/Composer/Script/EventDispatcher.php:74 
Composer\Script\EventDispatcher->dispatchCommandEvent() at phar://C:/ProgramDat 
a/Composer/bin/composer.phar/src/Composer/Installer.php:237 
Composer\Installer->run() at phar://C:/ProgramData/Composer/bin/composer.phar/s 
rc/Composer/Command/UpdateCommand.php:82 
Composer\Command\UpdateCommand->execute() at phar://C:/ProgramData/Composer/bin 
/composer.phar/vendor/symfony/console/Symfony/Component/Console/Command/Command. 
php:238 
Symfony\Component\Console\Command\Command->run() at phar://C:/ProgramData/Compo 
ser/bin/composer.phar/vendor/symfony/console/Symfony/Component/Console/Applicati 
on.php:193 
Symfony\Component\Console\Application->doRun() at phar://C:/ProgramData/Compose 
r/bin/composer.phar/src/Composer/Console/Application.php:101 
Composer\Console\Application->doRun() at phar://C:/ProgramData/Composer/bin/com 
poser.phar/vendor/symfony/console/Symfony/Component/Console/Application.php:106 
Symfony\Component\Console\Application->run() at phar://C:/ProgramData/Composer/ 
bin/composer.phar/src/Composer/Console/Application.php:74 
Composer\Console\Application->run() at phar://C:/ProgramData/Composer/bin/compo 
ser.phar/bin/composer:37 
require() at C:\ProgramData\Composer\bin\composer.phar:15 


update [--prefer-source] [--prefer-dist] [--dry-run] [--dev] [--no-custom-instal 
lers] [--no-scripts] [--no-progress] [-v|--verbose] [-o|--optimize-autoloader] [ 
packages1] ... [packagesN]

来源

2012-12-19 mr1031011

你可以用--verbose再次运行它，看看你是否有回溯？也许粘贴你的整个输出？ – Seldaek

感谢您关注它，我再次运行并在问题 – mr1031011

中发布了输出结果啊脚本本身中的异常很难说。也许尝试手动删除您的symfony缓存（app/cache/*）有没有触发这个错误的一些不好的代码呢？ – Seldaek

这似乎是错误是因为我试图检索依赖编译器内传递服务。我重写了我的代码，以避免必须从那里检索服务。

来源

2012-12-22 02:15:00 mr1031011

你能提供更多的解释吗？ – jgroenen

这太早了，我再也不记得了。但是，好像我试图在Compiler Pass类中获得服务，并且由于此服务器尚未准备好，所以导致发布错误。 – mr1031011

ReflectionException：类不存在

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