Symfony error 500 with app.php, works fine on app_dev.php

Question

I am currently trying to use our (basic) Symfony 2 app by accessing app.php. However, whenever I try to access app.php, I get an error 500. I have checked the logs, the production log is empty. I have tried the assetic entry in the config file, but to no avail. Anyone else who has any ideas on how to fix this?

This is a very basic application (for now), with just some routing changes and a new controller. The most part is html (as a test), so it can't be the php we've written so far.

--edit: I currently do not have the documentroot pointing to the /web directory, but I don't have admin rights on the server. However, because the app works in app_dev.php, I don't see how this could be a problem?

Are the cache and log directories writable, and with the right permissions? — William Durand
– William Durand, Commented Aug 20, 2012 at 12:47
I've emptied the cache dir and folders were created. Also, the dev log was edited, so yes, I believe they are writable. — QuintenVK
– QuintenVK, Commented Aug 20, 2012 at 12:49

Egel · Accepted Answer · 2013-04-01 11:56:15Z

19

The problem also can be caused by changing state of one variable into the web/app.php file from false to true.

Check linie:

$kernel = new AppKernel('prod', false);

and change to:

$kernel = new AppKernel('prod', true);

answered Apr 1, 2013 at 11:56

Egel

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Christ A Over a year ago

And perhaps it's nice to mention that the kernel constructor typically looks like: AppKernel($environment, $debug). You are thus turning on debugging mode.

Anders · Accepted Answer · 2014-11-25 12:53:25Z

2

I had the same issue, but with setting true:

$kernel = new AppKernel('prod', true);

I managed to get a readable error message. In my case there was a problem with an mysql-table.

answered Nov 25, 2014 at 12:53

Anders

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QuintenVK · Accepted Answer · 2012-08-20 14:50:18Z

1

I fixed it by removing a tab from my .yml config files and contacting the serveradmin to set the directoryroot to /web.

answered Aug 20, 2012 at 14:50

QuintenVK

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phemios Over a year ago

For me the issue was I had bad permissions on folders. You can find here how to setup permissions properly.

Marcin · Accepted Answer · 2014-05-16 12:57:42Z

1

It might be a little late, but i got same error today, and what helped was clearing cache.

answered May 16, 2014 at 12:57

Marcin

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Bart · Accepted Answer · 2016-02-18 11:34:07Z

1

I ran into this issue today, and enabling debug mode through AppKernel still didn't show the error. Turned out I had enabled ApcClassLoader in app.php (just before AppKernel is initialized) but APC wasn't yet enabled on the new environment I deployed to. Commenting the APCClassLoader bit out again in app.php resolved the issue.

answered Feb 18, 2016 at 11:34

Bart

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