/wapi/ArticleTree/article/5074    www.testingcloud.club    /wapi/PDOException: SQLSTATE[HY000] [2002] Connection refused in /www/server/phpmyadmin/api/Core/Model.php:76
Stack trace:
#0 /www/server/phpmyadmin/api/Core/Model.php(76): PDO->__construct()
#1 /www/server/phpmyadmin/api/Core/Model.php(23): Core\Model::getDB()
#2 /www/server/phpmyadmin/api/Core/Model.php(20): Core\Model->getColumns()
#3 /www/server/phpmyadmin/api/App/Controllers/ArticleTree.php(121): Core\Model->__construct()
#4 [internal function]: App\Controllers\ArticleTree->articleAction()
#5 /www/server/phpmyadmin/api/Core/Controller.php(70): call_user_func_array()
#6 /www/server/phpmyadmin/api/Core/Router.php(127): Core\Controller->__call()
#7 /www/server/phpmyadmin/api/public/index.php(65): Core\Router->dispatch()
#8 {main}