title: Symfony3 The server returned a "500 Internal Server Error"
body: <p>I wanted to put my symfony3 code to hosting and after all i got </p>
  
  <blockquote>
    <p>Oops! An Error Occurred</p>
    
    <p>The server returned a "500 Internal Server Error".</p>
    
    <p>Something is broken. Please let us know what you were doing when this
    error occurred. We will fix it as soon as possible. Sorry for any
    inconvenience caused.</p>
  </blockquote>
  
  <p>my parameters.yml</p>
  
  <p># This file is auto-generated during the composer install</p>
  
  <p>parameters:</p>
  
  <pre><code>database_host: db.if.ktu.lt
  database_port: null
  database_name: lukmil
  database_user: lukmil
  database_password: "MyPassword"
  mailer_transport: smtp
  mailer_host:       127.0.0.1
  mailer_user:       ~
  mailer_password:   ~
  secret: ThisTokenIsNotSoSecretChangeIt
  </code></pre>
  
  <p>that's what i get from prod log</p>
  
  <blockquote>
    <p>[2016-10-11 18:18:40] request.INFO: Matched route "{route}".
    {"route":"authentication_register","route_parameters":{"_controller":"AppBundle\Controller\DefaultController::indexAction","_route":"authentication_register"},"request_uri":"<a href="http://lukmil.stud.if.ktu.lt/register" rel="nofollow">http://lukmil.stud.if.ktu.lt/register</a>","method":"GET"}
    [] [2016-10-11 18:18:40] security.INFO: Populated the TokenStorage
    with an anonymous Token. [] [] [2016-10-11 18:18:40] request.CRITICAL:
    Uncaught PHP Exception Doctrine\DBAL\Exception\ConnectionException:
    "An exception occured in driver: SQLSTATE[28000] [1045] Access denied
    for user 'root'@'stud.if.ktu.lt' (using password: NO)" at
    /home/lukmil/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/AbstractMySQLDriver.php
    line 103 {"exception":"[object]
    (Doctrine\DBAL\Exception\ConnectionException(code: 0): An exception
    occured in driver: SQLSTATE[28000] [1045] Access denied for user
    'root'@'stud.if.ktu.lt' (using password: NO) at
    /home/lukmil/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/AbstractMySQLDriver.php:103,
    Doctrine\DBAL\Driver\PDOException(code: 1045): SQLSTATE[28000]
    [1045] Access denied for user 'root'@'stud.if.ktu.lt' (using password:
    NO) at
    /home/lukmil/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:47,
    PDOException(code: 1045): SQLSTATE[28000] [1045] Access denied for
    user 'root'@'stud.if.ktu.lt' (using password: NO) at
    /home/lukmil/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:43)"}
    []</p>
  </blockquote>
  
  <p>What could I do?
  On localhost it worked.. just in hosting doesn't</p>