Additional uncaught exception thrown while handling exception.

Original

PDOException: SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111) in db_table_exists() (line 2764 of /var/www/umschau-verlag.de/www/html/includes/database/database.inc).

Additional

PDOException: SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111) in dblog_watchdog() (line 147 of /var/www/umschau-verlag.de/www/html/modules/dblog/dblog.module).