[Bitrix\Main\DB\ConnectionException]
Mysql connect error [localhost, 127.0.0.1] (400)
/home/bitrix/www/bitrix/modules/main/lib/db/mysqlconnection.php:50
#0: Bitrix\Main\DB\MysqlConnection->connectInternal()
/home/bitrix/www/bitrix/modules/main/lib/db/mysqlconnection.php:103
#1: Bitrix\Main\DB\MysqlConnection->queryInternal(string, array, NULL)
/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:329
#2: Bitrix\Main\DB\Connection->query(string, NULL)
/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:378
#3: Bitrix\Main\DB\Connection->queryExecute(string)
/home/bitrix/www/bitrix/php_interface/after_connect_d7.php:3
#4: include(string)
/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:920
#5: Bitrix\Main\DB\Connection->afterConnected()
/home/bitrix/www/bitrix/modules/main/lib/db/mysqlconnection.php:64
#6: Bitrix\Main\DB\MysqlConnection->connectInternal()
/home/bitrix/www/bitrix/modules/main/lib/db/mysqlconnection.php:103
#7: Bitrix\Main\DB\MysqlConnection->queryInternal(string, NULL, NULL)
/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:329
#8: Bitrix\Main\DB\Connection->query(string, NULL, integer, integer)
/home/bitrix/www/bitrix/modules/main/lib/db/connection.php:357
#9: Bitrix\Main\DB\Connection->queryScalar(string)
/home/bitrix/www/bitrix/modules/security/lib/session.php:111
#10: Bitrix\Security\SessionTable::lock(string, integer)
/home/bitrix/www/bitrix/modules/security/classes/general/session_db.php:52
#11: CSecuritySessionDB::read(string)
#12: session_start()
/home/bitrix/www/bitrix/modules/main/include.php:286
#13: require_once(string)
/home/bitrix/www/bitrix/modules/main/include/prolog_before.php:14
#14: require_once(string)
/home/bitrix/www/bitrix/modules/main/include/prolog.php:10
#15: require_once(string)
/home/bitrix/www/bitrix/header.php:1
#16: require(string)
/home/bitrix/www/catalog/index.php:2
#17: include_once(string)
/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#18: include_once(string)
/home/bitrix/www/404.php:2
Fatal error: Uncaught exception 'Bitrix\Main\DB\ConnectionException' with message 'Mysql connect error [localhost, 127.0.0.1]' in /home/bitrix/www/bitrix/modules/main/lib/db/mysqlconnection.php:50
Stack trace:
#0 /home/bitrix/www/bitrix/modules/main/lib/db/mysqlconnection.php(103): Bitrix\Main\DB\MysqlConnection->connectInternal()
#1 /home/bitrix/www/bitrix/modules/main/lib/db/connection.php(329): Bitrix\Main\DB\MysqlConnection->queryInternal('\n\t\t\t\tSELECT FRO...', Array, NULL)
#2 /home/bitrix/www/bitrix/modules/main/lib/eventmanager.php(248): Bitrix\Main\DB\Connection->query('\n\t\t\t\tSELECT FRO...')
#3 /home/bitrix/www/bitrix/modules/main/lib/eventmanager.php(340): Bitrix\Main\EventManager->loadEventHandlers()
#4 /home/bitrix/www/bitrix/modules/main/lib/eventmanager.php(375): Bitrix\Main\EventManager->findEventHandlers('security', 'SessionOnBefore...', NULL)
#5 /home/bitrix/www/bitrix/modules/main/lib/event.php(112): Bitrix\Main\EventManager->send(Object(Bitrix\Main\Entity\Event))
#6 /home/bitrix/www/bitrix/modules in /home/bitrix/www/bitrix/modules/main/lib/db/mysqlconnection.php on line 50