The Entity shortcut name:QuartetBlogBundle:Post

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

[DoctrineDBALDriverPDOException]
SQLSTATE[HY000] [2002] Connection refused

doctrine:
dbal:
    driver:   pdo_mysql
    host:     "%database_host%"
    port:     "%database_port%"
    dbname:   "%database_name%"
    user:     "%database_user%"
    password: "%database_password%"
    charset:  UTF8
    unix_socket: /Applications/MAMP/tmp/mysql/mysql.sock　//php.ini に同じ