Erro: SQLSTATE[HY000] [2002] Connection refused<br />
<b>Warning</b>:  session_start(): Failed to initialize storage module: user (path: ) in <b>/var/www/html/index.php</b> on line <b>64</b><br />
<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function exec() on null in /var/www/html/App/Modelos/Modelo.php:69
Stack trace:
#0 /var/www/html/App/Servicos/Session/SessionHandlerDB.php(11): Modelo-&gt;executar('DELETE FROM ses...')
#1 [internal function]: SessionHandlerDB-&gt;open('', 'PHPSESSID')
#2 /var/www/html/index.php(64): session_start()
#3 {main}
  thrown in <b>/var/www/html/App/Modelos/Modelo.php</b> on line <b>69</b><br />