Nextcloud ?MySQL Doctrine error? after install

Support
1

Ma carte SD est tombée en panne, alors j’en ai acheté une nouvelle et j’ai réinstallé Yunohost et Nextcloud.

Je suis alors accueilli avec ce message :

image
image.png863×429 90.9 KB

Et c’est ce que dit /var/log/nginx/domain.tld-error.log:

#0 /var/www/nextcloud/3rdparty/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(429): 
OC\DB\Connection->connect()
#1 /var/www/nextcloud/3rdparty/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(389): 
Doctrine\DBAL\Connection->getDatabasePlatformVersion()
#2 /var/www/nextcloud/3rdparty/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(328): 
Doctrine\DBAL\Connection->detectDatabasePlatform()
#3 /var/www/nextcloud/3rdparty/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(623): 
Doctrine\DBAL\Connection->getDatabasePlatform()
#4 /var/www/nextcloud/lib/private/DB/Connection.php(151): 
Doctrine\DBAL\Connection->setTransactionIs
2018/06/01 06:01:56 [error] 1323#0: *1657 FastCGI sent in stderr: 
"PHP message: PHP Fatal error:  Uncaught exception 'Doctrine\DBAL\DBALException' with message 
'Failed to connect to the database: An exception occured in driver: 
SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket 
'/var/run/mysqld/mysqld.sock' (2)' in /var/www/nextcloud/lib/private/DB/Connection.php:64
Stack trace:
#0 /var/www/nextcloud/3rdparty/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(429): 
OC\DB\Connection->connect()
#1 /var/www/nextcloud/3rdparty/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(389): 
Doctrine\DBAL\Connection->getDatabasePlatformVersion()
#2 /var/www/nextcloud/3rdparty/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(328): 
Doctrine\DBAL\Connection->detectDatabasePlatform()
#3 /var/www/nextcloud/3rdparty/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(623): 
Doctrine\DBAL\Connection->getDatabasePlatform()
#4 /var/www/nextcloud/lib/private/DB/Connection.php(151): 
Doctrine\DBAL\Connection->setTransactionIsolation(2)
#5 /var/www/nextcloud/3rdparty/doctrine/dbal/lib/Doct...
PHP message: PHP Fatal error:  
Uncaught exception 'Doctrine\DBAL\DBALException' with message 
'Failed to connect to the database: An exception occured in driver: 
SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket 
'/var/run/mysqld/mysqld.sock' (2)' in /var/www/nextcloud/lib/private/DB/Connection.php:64
2

Le service mysql n’a pas l’air d’être lancé.
Que renvoie systemctl status mysql ?

3

Le service mysql a l’air d’être lancé.

● mysql.service - LSB: Start and stop the mysql database server daemon
   Loaded: loaded (/etc/init.d/mysql)
   Active: active (running) since dim. 2018-05-27 12:32:36 CEST; 5 days ago
   CGroup: /system.slice/mysql.service
           ├─763 /bin/bash /usr/bin/mysqld_safe
           └─982 /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib/mysql/plugin --user=mysql --log-error=/var/lib/mysql/Gild...

mai 27 12:32:36 Gildurklaus mysql[713]: Starting MariaDB database server: mysqld . . . ..
mai 27 12:32:36 Gildurklaus systemd[1]: Started LSB: Start and stop the mysql database server daemon.
mai 27 12:32:36 Gildurklaus /etc/mysql/debian-start[1102]: Upgrading MySQL tables if necessary.
mai 27 12:32:36 Gildurklaus /etc/mysql/debian-start[1130]: Checking for insecure root accounts.
mai 27 12:32:37 Gildurklaus /etc/mysql/debian-start[1139]: Triggering myisam-recover for all MyISAM tables