Illuminate\Database\QueryException: SQLSTATE[HY000] [2002] Connection refused (SQL: select `email_key`, `email_value` from `email_settings`) in file /var/www/html/prod/window-shop-goa/vendor/laravel/framework/src/Illuminate/Database/Connection.php on line 760 #0 /var/www/html/prod/window-shop-goa/vendor/laravel/framework/src/Illuminate/Database/Connection.php(899): Illuminate\Database\Connection->runQueryCallback() #1 /var/www/html/prod/window-shop-goa/vendor/laravel/framework/src/Illuminate/Database/Connection.php(879): Illuminate\Database\Connection->tryAgainIfCausedByLostConnection() #2 /var/www/html/prod/window-shop-goa/vendor/laravel/framework/src/Illuminate/Database/Connection.php(723): Illuminate\Database\Connection->handleQueryException() #3 /var/www/html/prod/window-shop-goa/vendor/laravel/framework/src/Illuminate/Database/Connection.php(422): Illuminate\Database\Connection->run() #4 /var/www/html/prod/window-shop-goa/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(2706): Illuminate\Database\Connection->select() #5 /var/www/html/prod/window-shop-goa/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(2920): Illuminate\Database\Query\Builder->runSelect() #6 /var/www/html/prod/window-shop-goa/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3230): Illuminate\Database\Query\Builder->Illuminate\Database\Query\{closure}() #7 /var/www/html/prod/window-shop-goa/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(2922): Illuminate\Database\Query\Builder->onceWithColumns() #8 /var/www/html/prod/window-shop-goa/app/Providers/MailConfigProvider.php(30): Illuminate\Database\Query\Builder->pluck() #9 /var/www/html/prod/window-shop-goa/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(36): App\Providers\MailConfigProvider->boot() #10 /var/www/html/prod/window-shop-goa/vendor/laravel/framework/src/Illuminate/Container/Util.php(41): Illuminate\Container\BoundMethod::Illuminate\Container\{closure}() #11 /var/www/html/prod/window-shop-goa/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(93): Illuminate\Container\Util::unwrapIfClosure() #12 /var/www/html/prod/window-shop-goa/vendor/laravel/framework/src/Illuminate/Container/BoundMethod.php(37): Illuminate\Container\BoundMethod::callBoundMethod() #13 /var/www/html/prod/window-shop-goa/vendor/laravel/framework/src/Illuminate/Container/Container.php(661): Illuminate\Container\BoundMethod::call() #14 /var/www/html/prod/window-shop-goa/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(929): Illuminate\Container\Container->call() #15 /var/www/html/prod/window-shop-goa/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(910): Illuminate\Foundation\Application->bootProvider() #16 [internal function]: Illuminate\Foundation\Application->Illuminate\Foundation\{closure}() #17 /var/www/html/prod/window-shop-goa/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(911): array_walk() #18 /var/www/html/prod/window-shop-goa/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/BootProviders.php(17): Illuminate\Foundation\Application->boot() #19 /var/www/html/prod/window-shop-goa/vendor/laravel/framework/src/Illuminate/Foundation/Application.php(242): Illuminate\Foundation\Bootstrap\BootProviders->bootstrap() #20 /var/www/html/prod/window-shop-goa/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(176): Illuminate\Foundation\Application->bootstrapWith() #21 /var/www/html/prod/window-shop-goa/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(160): Illuminate\Foundation\Http\Kernel->bootstrap() #22 /var/www/html/prod/window-shop-goa/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(134): Illuminate\Foundation\Http\Kernel->sendRequestThroughRouter() #23 /var/www/html/prod/window-shop-goa/public/index.php(55): Illuminate\Foundation\Http\Kernel->handle() #24 {main}