Doctrine2で、 MappingException Class 'xxx' does not exis

Question

Doctrine2を使って、既存のDBからEntityを生成しましたが、表題のようなエラーとなり、うまく行きません。

ディレクトリ構成

bootstrap.php
cli-config.php
composer.json
src
 |-- entities
   |-- Purchase.php
 |-- Purchase.dcm.yml

composer.json

// composer.json

{
    "require": {
        "doctrine/orm": "2.4.*",
        "symfony/yaml": "2.*"
    },
    "autoload": {
        "psr-0": {"": "src/"}
    }
}

bootstrap.php

// bootstrap.php

<?php
// bootstrap.php
use Doctrine\ORM\Tools\Setup;
use Doctrine\ORM\EntityManager;

require_once "vendor/autoload.php";

$isDevMode = true;
$config = Setup::createYAMLMetadataConfiguration(array(__DIR__."/src"), $isDevMode);

// database configuration parameters
$conn = array(
    'dbname'   => 'test',
    'user'     => 'test',
    'password' => 'testpass',
    'host'     => 'localhost',
    'driver'   => 'pdo_mysql'
);

// obtaining the entity manager
$entityManager = EntityManager::create($conn, $config);

// Set the other connections parameters
$conn = $entityManager->getConnection();
$platform = $conn->getDatabasePlatform();
$platform->registerDoctrineTypeMapping('enum', 'string');
$conn->getConfiguration()->setFilterSchemaAssetsExpression("~^(purchase)~");

cli-config.php

// cli-config.php
require_once "bootstrap.php";

return \Doctrine\ORM\Tools\Console\ConsoleRunner::createHelperSet($entityManager);

やったこと

• 1. mappingしたyamlを生成

./vendor/bin/doctrine orm:convert:mapping --from-database yaml src/

• 1. entityを作成

./vendor/bin/doctrine orm:orm:generate-entities src/entities

• 1. orm:infoをやってみる

$ ./vendor/bin/doctrine orm:info
Found 1 mapped entities:


  [Doctrine\Common\Persistence\Mapping\MappingException]
  Class 'Purchase' does not exist


orm:info

なぜこうなってしまうのでしょうか。。