title: composer update gives error
body: <p>Whenever I run composer update it gives me following:</p>
  
  <pre><code>Loading composer repositories with package information
  
  Updating dependencies (including require-dev)
  Generating autoload files
  Updating the "app/config/parameters.yml" file
  
  
  
    [Symfony\Component\DependencyInjection\Exception\OutOfBoundsException]  
    The index "4" is not in the range [0, 3].                               
  
  
  
  Script Sensio\Bundle\DistributionBundle\Composer\ScriptHandler::clearCache handling the post-update-cmd event terminated with an exception
  
  
  
    [RuntimeException]                                                         
    An error occurred when executing the "'cache:clear --no-warmup'" command.  
  
  
  
  Exception trace:
   () at /var/www/api.agorafy.com/trunk/vendor/sensio/distribution-bundle/Sensio/Bundle/DistributionBundle/Composer/ScriptHandler.php:190
   Sensio\Bundle\DistributionBundle\Composer\ScriptHandler::executeCommand() at /var/www/api.agorafy.com/trunk/vendor/sensio/distribution-bundle/Sensio/Bundle/DistributionBundle/Composer/ScriptHandler.php:62
   Sensio\Bundle\DistributionBundle\Composer\ScriptHandler::clearCache() at phar:///usr/local/bin/composer/src/Composer/EventDispatcher/EventDispatcher.php:206
   Composer\EventDispatcher\EventDispatcher-&gt;executeEventPhpScript() at phar:///usr/local/bin/composer/src/Composer/EventDispatcher/EventDispatcher.php:174
   Composer\EventDispatcher\EventDispatcher-&gt;doDispatch() at phar:///usr/local/bin/composer/src/Composer/EventDispatcher/EventDispatcher.php:120
   Composer\EventDispatcher\EventDispatcher-&gt;dispatchCommandEvent() at phar:///usr/local/bin/composer/src/Composer/Installer.php:336
   Composer\Installer-&gt;run() at phar:///usr/local/bin/composer/src/Composer/Command/UpdateCommand.php:136
   Composer\Command\UpdateCommand-&gt;execute() at phar:///usr/local/bin/composer/vendor/symfony/console/Symfony/Component/Console/Command/Command.php:252
   Symfony\Component\Console\Command\Command-&gt;run() at phar:///usr/local/bin/composer/vendor/symfony/console/Symfony/Component/Console/Application.php:874
   Symfony\Component\Console\Application-&gt;doRunCommand() at phar:///usr/local/bin/composer/vendor/symfony/console/Symfony/Component/Console/Application.php:195
   Symfony\Component\Console\Application-&gt;doRun() at phar:///usr/local/bin/composer/src/Composer/Console/Application.php:146
   Composer\Console\Application-&gt;doRun() at phar:///usr/local/bin/composer/vendor/symfony/console/Symfony/Component/Console/Application.php:126
   Symfony\Component\Console\Application-&gt;run() at phar:///usr/local/bin/composer/src/Composer/Console/Application.php:83
   Composer\Console\Application-&gt;run() at phar:///usr/local/bin/composer/bin/composer:43
   require() at /usr/local/bin/composer:25
  
  
  update [--prefer-source] [--prefer-dist] [--dry-run] [--dev] [--no-dev] [--lock] [--no-plugins] [--no-custom-installers] [--no-autoloader] [--no-scripts] [--no-progress] [--with-dependencies] [-v|vv|vvv|--verbose] [-o|--optimize-autoloader] [--ignore-platform-reqs] [--prefer-stable] [--prefer-lowest] [packages1] ... [packagesN]
  </code></pre>
  
  <p>I am not able to resolve it I have tried following things:</p>
  
  <ol>
  <li>Clear Cache before running composer update.</li>
  <li>Delete bin and vendor folder then run composer update.</li>
  <li>system restart.</li>
  <li>uninstall APC (not sure about this but uninstalled apc)
  Please help on this issue. </li>
  </ol>
  
  <p>My Composer.json is this:</p>
  
  <pre><code>{
      "name": "symfony/framework-standard-edition",
      "license": "MIT",
      "type": "project",
      "description": "The \"Symfony Standard Edition\" distribution",
      "autoload": {
          "psr-0": { "": "src/" }
      },
      "require": {
          "php":                                      "&gt;=5.3.3",
          "symfony/symfony":                          "~2.4",
          "doctrine/orm":                             "~2.2,&gt;=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":               "~2.3",
          "sensio/framework-extra-bundle":            "~3.0",
          "sensio/generator-bundle":                  "~2.3",
          "incenteev/composer-parameter-handler":     "2.1.*@dev",
          "jms/di-extra-bundle":                      "1.5.*@dev",
          "friendsofsymfony/rest-bundle":             "1.4.*@dev",
          "nelmio/api-doc-bundle":                    "2.5.*@dev",
          "willdurand/hateoas-bundle":                "1.0.*@dev",
          "hautelook/templated-uri-bundle":           "1.0.*@dev",
          "willdurand/rest-extra-bundle":             "1.0.*@dev",
          "escapestudios/wsse-authentication-bundle": "2.3.x-dev",
          "knplabs/gaufrette":                        "dev-master",
          "knplabs/knp-gaufrette-bundle":             "dev-master",
          "amazonwebservices/aws-sdk-for-php":        "dev-master",
          "cybernox/amazon-webservices-bundle":       "dev-master",
          "escapestudios/wsse-authentication-bundle": "2.3.x-dev",
          "doctrine/doctrine-fixtures-bundle":        "2.2.*",
          "symfony/filesystem":                       "2.5.*@dev",
          "snc/redis-bundle":                         "1.1.x-dev",
          "predis/predis":                            "0.8.x-dev",
          "hwi/oauth-bundle":                         "0.4.*@dev"
      },
      "scripts": {
          "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"
          ],
          "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"
          ]
      },
      "config": {
          "bin-dir": "bin",
          "discard-changes": true
      },
      "extra": {
          "symfony-app-dir": "app",
          "symfony-web-dir": "web",
          "incenteev-parameters": {
              "file": "app/config/parameters.yml"
          },
          "branch-alias": {
              "dev-master": "2.4-dev"
          }
      }
  }
  </code></pre>
  
  <h2><strong>EDIT</strong></h2>
  
  <h2><strong>services.yml</strong></h2>
  
  <pre><code>parameters:
      application_p_api.userprovider.class: Application\PApiBundle\Provider\UserProvider
      application_p_api.amazon_s3.class: AmazonS3
      application_p_api.file_uploader.class: Application\PApiBundle\Services\FileUploader
      application_p_api.tsession.class: Application\PApiBundle\Services\TSSession
  
  services:
      service.s3nfs:
          class: Application\PApiBundle\Services\s3nfs
          arguments: [@service_container]
  
      application_p_api.amazon_s3:
          class: %application_p_api.amazon_s3.class%
          arguments: 
              - { key: %aws_key%, secret: %aws_secret% }
      amazon_api_service: "@application_p_api.amazon_s3" #alias to application_p_api.amazon_s3 service
  
      application_p_api.file_uploader:
          class: %application_p_api.file_uploader.class%
          arguments: [@file_uploader_filesystem, @service_container]
  
      application_p_api.mailer:
          class: Application\PApiBundle\Services\MailsSender
          arguments: ['@service_container', '@mailer', '@twig']
          public: true
      mails_sender: "@application_p_api.mailer"   #alias to application_p_api.mailer service
  
      application_p_api.tsession:
          class: Application\PApiBundle\Services\TSSession
          arguments: [@service_container]
  
      #Form Validator Services
      p_api_contact_email_validator:
          class: Application\PApiBundle\Validator\Constraints\ContactEmailValidator
          arguments: [@doctrine.orm.read_only_entity_manager]
          tags:
              - { name: validator.constraint_validator, alias: contact_email_validator }
  
      p_api_not_user_email_validator:
          class: Application\PApiBundle\Validator\Constraints\NotUserEmailValidator
          arguments: [@doctrine.orm.read_only_entity_manager]
          tags:
              - { name: validator.constraint_validator, alias: not_user_email_validator }
  
      p_api_not_pending_user_email_validator:
          class: Application\PApiBundle\Validator\Constraints\NotPendingUserEmailValidator
          arguments: [@doctrine.orm.read_only_entity_manager]
          tags:
              - { name: validator.constraint_validator, alias: not_pending_user_email_validator }
  
      p_api_password_requirements_validator:
          class: Application\PApiBundle\Validator\Constraints\PasswordStrengthValidator
          arguments: ~
          tags:
              - { name: validator.constraint_validator, alias: password_requirements_validator }
  </code></pre>
  
  <p>Rest of the Code is Here: 
  <a href="https://github.com/jbpashu/composer-error-analysis-code" rel="nofollow">https://github.com/jbpashu/composer-error-analysis-code</a></p>
  
  <p>Please have a look if needed.</p>