Es ist ein Fehler aufgetreten!

An exception occurred in driver: SQLSTATE[HY000] [2002] Connection refused

/var/www/ticket2.dev/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/AbstractMySQLDriver.php, Zeile 112

#0 /var/www/ticket2.dev/vendor/doctrine/dbal/lib/Doctrine/DBAL/DBALException.php(182): Doctrine\DBAL\Driver\AbstractMySQLDriver->convertException('An exception oc...', Object(Doctrine\DBAL\Driver\PDO\Exception))
#1 /var/www/ticket2.dev/vendor/doctrine/dbal/lib/Doctrine/DBAL/DBALException.php(169): Doctrine\DBAL\DBALException::wrapException(Object(Doctrine\DBAL\Driver\PDO\MySQL\Driver), Object(Doctrine\DBAL\Driver\PDO\Exception), 'An exception oc...')
#2 /var/www/ticket2.dev/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOMySql/Driver.php(31): Doctrine\DBAL\DBALException::driverException(Object(Doctrine\DBAL\Driver\PDO\MySQL\Driver), Object(Doctrine\DBAL\Driver\PDO\Exception))
#3 /var/www/ticket2.dev/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(412): Doctrine\DBAL\Driver\PDOMySql\Driver->connect(Array, 'ticket1', 'mysql', Array)
#4 /var/www/ticket2.dev/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(475): Doctrine\DBAL\Connection->connect()
#5 /var/www/ticket2.dev/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(437): Doctrine\DBAL\Connection->getDatabasePlatformVersion()
#6 /var/www/ticket2.dev/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(379): Doctrine\DBAL\Connection->detectDatabasePlatform()
#7 /var/www/ticket2.dev/vendor/doctrine/orm/lib/Doctrine/ORM/Query.php(760): Doctrine\DBAL\Connection->getDatabasePlatform()
#8 /var/www/ticket2.dev/vendor/doctrine/orm/lib/Doctrine/ORM/Query.php(266): Doctrine\ORM\Query->getQueryCacheId()
#9 /var/www/ticket2.dev/vendor/doctrine/orm/lib/Doctrine/ORM/Query.php(291): Doctrine\ORM\Query->parse()
#10 /var/www/ticket2.dev/vendor/doctrine/orm/lib/Doctrine/ORM/AbstractQuery.php(1074): Doctrine\ORM\Query->_doExecute()
#11 /var/www/ticket2.dev/vendor/doctrine/orm/lib/Doctrine/ORM/AbstractQuery.php(1027): Doctrine\ORM\AbstractQuery->executeIgnoreQueryCache(NULL, 1)
#12 /var/www/ticket2.dev/vendor/doctrine/orm/lib/Doctrine/ORM/AbstractQuery.php(787): Doctrine\ORM\AbstractQuery->execute(NULL, 1)
#13 /var/www/ticket2.dev/src/Kernet/OPUS/MVC/Controller.php(83): Doctrine\ORM\AbstractQuery->getResult()
#14 /var/www/ticket2.dev/src/Kernet/OPUS/MVC/Controller.php(95): Kernet\OPUS\MVC\Controller::hasPermission('AppController', 'start', NULL)
#15 /var/www/ticket2.dev/web/index.php(57): Kernet\OPUS\MVC\Controller->checkPermission('start')
#16 {main}