Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] Connection refused in /var/www/html/web/includes/database/database.inc:335
Stack trace:
#0 /var/www/html/web/includes/database/database.inc(335): PDO->__construct('mysql:host=mysq...', 'drupal', 'dr@dm1n', Array)
#1 /var/www/html/web/includes/database/mysql/database.inc(342): DatabaseConnection->__construct('mysql:host=mysq...', 'drupal', 'dr@dm1n', Array)
#2 /var/www/html/web/includes/database/database.inc(1796): DatabaseConnection_mysql->__construct(Array)
#3 /var/www/html/web/includes/database/database.inc(1582): Database::openConnection('default', 'default')
#4 /var/www/html/web/includes/database/database.inc(2457): Database::getConnection('default')
#5 /var/www/html/web/includes/lock.inc(167): db_query('SELECT expire, ...', Array)
#6 /var/www/html/web/includes/lock.inc(146): lock_may_be_available('theme_registry:...')
#7 /var/www/html/web/includes/theme.inc(449): lock_acquire('theme_registry:...')
#8 /var/www/html/web/includes/bootstrap.inc(460): ThemeRegistry->set(Array)
#9 [internal function]: DrupalCacheArray->__destruct()
#10 {main}
thrown in /var/www/html/web/includes/database/database.inc on line 335