无法将Symfony应用程序部署到Heroku

起初，对这个愚蠢的问题感到抱歉，但我像Symfony一样在Heroku中是新来的。我正在学习Symfony，现在尝试将我的应用程序部署到Heroku。但是在推送到heroku之后，我有错误无法解决。我搜索了答案，但没有找到解决方案。我的环境切换到PROD。这是我认为可以用来分析的文件堆。

    Initializing repository, done.
Counting objects: 8783, done.
Delta compression using up to 3 threads.
Compressing objects: 100% (7959/7959), done.
Writing objects: 100% (8783/8783), 6.34 MiB | 499.00 KiB/s, done.
Total 8783 (delta 2737), reused 0 (delta 0)

-----> PHP app detected
-----> Resolved composer.lock requirement for PHP >=5.3.3 to version 5.6.2.
-----> Installing system packages...
       - PHP 5.6.2
       - Apache 2.4.10
       - Nginx 1.6.0
-----> Installing PHP extensions...
       - zend-opcache (automatic; bundled, using 'ext-zend-opcache.ini')
-----> Installing dependencies...
       Composer version 1.0-dev (a309e1d89ded6919935a842faeaed8e888fbfe37) 2014-10-20 19:16:14

 !     WARNING: You have put Composer's vendor directory under version control.
       That directory should not be in your Git repository; only composer.json
       and composer.lock should be added, with Composer handling installation.
       Please 'git rm --cached vendor/' to remove the folder from your index,
       then add '/vendor/' to your '.gitignore' list to remove this notice.
       For more information, refer to the Composer FAQ: http://bit.ly/1rlCSZU

       Loading composer repositories with package information
       Installing dependencies from lock file
         - Removing sensio/generator-bundle (v2.4.0)
       Generating optimized autoload files
       Updating the "app/config/parameters.yml" file
       PHP Fatal error:  Class 'Sensio\Bundle\GeneratorBundle\SensioGeneratorBundle' not found in /tmp/build_a721f054a4c0177a8e4e060c5b747b1c/app/AppKernel.php on line 26
       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.  



install [--prefer-source] [--prefer-dist] [--dry-run] [--dev] [--no-dev] [--no-plugins] [--no-custom-installers] [--no-scripts] [--no-progress] [-v|vv|vvv|--verbose] [-o|--optimize-autoloader] [--ignore-platform-reqs] [packages1] ... [packagesN]



 !     Push rejected, failed to compile PHP app

这是composer.json的内容：

{
    "name": "symfony/framework-standard-edition",
    "license": "MIT",
    "type": "project",
    "description": "The \"Symfony Standard Edition\" distribution",
    "autoload": {
        "psr-0": { "": "src/", "SymfonyStandard": "app/" }
    },
    "require": {
        "php": ">=5.3.3",
        "symfony/symfony": "2.5.*",
        "doctrine/orm": "~2.2,>=2.2.3",
        "doctrine/doctrine-bundle": "~1.2",
        "twig/extensions": "~1.0",
        "symfony/assetic-bundle": "~2.3",
        "symfony/swiftmailer-bundle": "~2.3",
        "symfony/monolog-bundle": "~2.4",
        "sensio/distribution-bundle": "~3.0",
        "sensio/framework-extra-bundle": "~3.0",
        "incenteev/composer-parameter-handler": "~2.0",
        "sensio/generator-bundle": "~2.4"
    },
    "require-dev": {
    },
    "scripts": {
        "post-root-package-install": [
            "SymfonyStandard\\Composer::hookRootPackageInstall"
        ],
        "post-install-cmd": [
            "Incenteev\\ParameterHandler\\ScriptHandler::buildParameters",
            "Sensio\\Bundle\\DistributionBundle\\Composer\\ScriptHandler::buildBootstrap",
            "Sensio\\Bundle\\DistributionBundle\\Composer\\ScriptHandler::clearCache",
            "Sensio\\Bundle\\DistributionBundle\\Composer\\ScriptHandler::installAssets",
            "Sensio\\Bundle\\DistributionBundle\\Composer\\ScriptHandler::installRequirementsFile",
            "Sensio\\Bundle\\DistributionBundle\\Composer\\ScriptHandler::removeSymfonyStandardFiles"
        ],
        "post-update-cmd": [
            "Incenteev\\ParameterHandler\\ScriptHandler::buildParameters",
            "Sensio\\Bundle\\DistributionBundle\\Composer\\ScriptHandler::buildBootstrap",
            "Sensio\\Bundle\\DistributionBundle\\Composer\\ScriptHandler::clearCache",
            "Sensio\\Bundle\\DistributionBundle\\Composer\\ScriptHandler::installAssets",
            "Sensio\\Bundle\\DistributionBundle\\Composer\\ScriptHandler::installRequirementsFile",
            "Sensio\\Bundle\\DistributionBundle\\Composer\\ScriptHandler::removeSymfonyStandardFiles"
        ]
    },
    "config": {
        "bin-dir": "bin"
    },
    "extra": {
        "symfony-app-dir": "app",
        "symfony-web-dir": "web",
        "incenteev-parameters": {
            "file": "app/config/parameters.yml"
        },
        "branch-alias": {
            "dev-master": "2.5-dev"
        }
    }
}

和AppKernel.php内容：

<?php

use Symfony\Component\HttpKernel\Kernel;
use Symfony\Component\Config\Loader\LoaderInterface;

class AppKernel extends Kernel
{
    public function registerBundles()
    {
        $bundles = array(
            new Symfony\Bundle\FrameworkBundle\FrameworkBundle(),
            new Symfony\Bundle\SecurityBundle\SecurityBundle(),
            new Symfony\Bundle\TwigBundle\TwigBundle(),
            new Symfony\Bundle\MonologBundle\MonologBundle(),
            new Symfony\Bundle\SwiftmailerBundle\SwiftmailerBundle(),
            new Symfony\Bundle\AsseticBundle\AsseticBundle(),
            new Doctrine\Bundle\DoctrineBundle\DoctrineBundle(),
            new Sensio\Bundle\FrameworkExtraBundle\SensioFrameworkExtraBundle(),
            new Irishdash\StorageBundle\IrishdashStorageBundle(),
        );

        if (in_array($this->getEnvironment(), array('dev', 'test'))) {
            $bundles[] = new Acme\DemoBundle\AcmeDemoBundle();
            $bundles[] = new Symfony\Bundle\WebProfilerBundle\WebProfilerBundle();
            $bundles[] = new Sensio\Bundle\DistributionBundle\SensioDistributionBundle();
            $bundles[] = new Sensio\Bundle\GeneratorBundle\SensioGeneratorBundle();
        }

        return $bundles;
    }

    public function registerContainerConfiguration(LoaderInterface $loader)
    {
        $loader->load(__DIR__.'/config/config_'.$this->getEnvironment().'.yml');
    }
}