app_dev.phpを通したdev環境でしかアプリを開けない

前提・実現したいこと

Symfonyのシステムがapp_dev.phpを通したdev環境でしか開けず、
HTTP ERROR 500のエラーが表示されます。
app.phpを通すと、app.phpが無くなったurlがリダイレクトされ、同じように500のエラーが出ます。
原因を確認する方法はありますでしょうか。

該当のソースコード

app.php

php
1<?php
2
3use Symfony\Component\ClassLoader\ApcClassLoader;
4use Symfony\Component\HttpFoundation\Request;
5
6umask(0000);
7
8//$loader = require_once __DIR__.'/../app/bootstrap.php.cache';
9
10// Use APC for autoloading to improve performance.
11// Change 'sf2' to a unique prefix in order to prevent cache key conflicts
12// with other applications also using APC.
13/*
14$loader = new ApcClassLoader('sf2', $loader);
15$loader->register(true);
16*/
17$loader = require __DIR__.'/../app/autoload.php';
18include_once __DIR__.'/../var/bootstrap.php.cache';
19
20
21//require_once __DIR__.'/../app/AppKernel.php';
22//require_once __DIR__.'/../app/AppCache.php';
23
24$kernel = new AppKernel('prod', false);
25$kernel->loadClassCache();
26//$kernel = new AppCache($kernel);
27Request::enableHttpMethodParameterOverride();
28$request = Request::createFromGlobals();
29$response = $kernel->handle($request);
30$response->send();
31$kernel->terminate($request, $response);
32

app_dev.php

php
1<?php
2
3use Symfony\Component\HttpFoundation\Request;
4use Symfony\Component\Debug\Debug;
5
6umask(0000);
7
8// devモードを許可するホスト
9
10$allowHosts = array(
11    '127.0.0.1',
12    'fe80::1',
13    '::1',
14    '203.141.131.218',
15    '192.168.33.1',
16    '192.168.255.*',
17);
18
19//if (isset($_SERVER['HTTP_CLIENT_IP'])
20//    || isset($_SERVER['HTTP_X_FORWARDED_FOR'])
21//    || !in_array(@$_SERVER['REMOTE_ADDR'], $allowHosts)
22//) {
23//    header('HTTP/1.0 403 Forbidden');
24//    exit;
25//}
26
27$loader = require __DIR__.'/../app/autoload.php';
28//$loader = require_once __DIR__.'/../app/bootstrap.php.cache';
29Debug::enable();
30
31//require_once __DIR__.'/../app/AppKernel.php';
32
33$kernel = new AppKernel('dev', true);
34$kernel->loadClassCache();
35Request::enableHttpMethodParameterOverride();
36$request = Request::createFromGlobals();
37$response = $kernel->handle($request);
38$response->send();
39$kernel->terminate($request, $response);
40

AppKernel.php

php
1<?php
2
3use Symfony\Component\HttpKernel\Kernel;
4use Symfony\Component\Config\Loader\LoaderInterface;
5
6class AppKernel extends Kernel
7{
8    public function registerBundles()
9    {
10        $bundles = array(
11            new Symfony\Bundle\FrameworkBundle\FrameworkBundle(),
12            new Symfony\Bundle\SecurityBundle\SecurityBundle(),
13            new Symfony\Bundle\TwigBundle\TwigBundle(),
14            new Symfony\Bundle\MonologBundle\MonologBundle(),
15            new Symfony\Bundle\SwiftmailerBundle\SwiftmailerBundle(),
16            new Doctrine\Bundle\DoctrineBundle\DoctrineBundle(),
17            new Sensio\Bundle\FrameworkExtraBundle\SensioFrameworkExtraBundle(),
18            new JMS\AopBundle\JMSAopBundle(),
19            new JMS\DiExtraBundle\JMSDiExtraBundle($this),
20            new JMS\SecurityExtraBundle\JMSSecurityExtraBundle(),
21            new Ahi\Sp\AdminBundle\AhiSpAdminBundle(),
22            new Ahi\Sp\PublicBundle\AhiSpPublicBundle(),
23            new Ahi\Sp\CommonBundle\AhiSpCommonBundle(),
24            new Liuggio\ExcelBundle\LiuggioExcelBundle()
25       );
26
27        if (in_array($this->getEnvironment(), ['dev', 'test'],true)) {
28            $bundles[] = new Symfony\Bundle\DebugBundle\DebugBundle();
29            $bundles[] = new Symfony\Bundle\WebProfilerBundle\WebProfilerBundle();
30            $bundles[] = new Sensio\Bundle\DistributionBundle\SensioDistributionBundle();
31            $bundles[] = new Sensio\Bundle\GeneratorBundle\SensioGeneratorBundle();
32        }
33
34        return $bundles;
35    }
36
37    public function getRootDir()
38    {
39        return __DIR__;
40    }
41
42    public function getCacheDir()
43    {
44        return dirname(__DIR__).'/var/cache/'.$this->getEnvironment();
45    }
46
47    public function getLogDir()
48    {
49        return dirname(__DIR__).'/var/logs';
50    }
51
52    public function registerContainerConfiguration(LoaderInterface $loader)
53    {
54        $loader->load($this->getRootDir().'/config/config_'.$this->getEnvironment().'.yml');
55    }
56}
57

autoload.php

php
1<?php
2
3use Doctrine\Common\Annotations\AnnotationRegistry;
4use Composer\Autoload\ClassLoader;
5
6/**
7 * @var $loader ClassLoader
8 */
9$loader = require __DIR__.'/../vendor/autoload.php';
10
11AnnotationRegistry::registerLoader(array($loader, 'loadClass'));
12
13return $loader;