Illuminate\Database\QueryException: SQLSTATE[HY000] [2002] Connection refused (Connection: mysql, SQL: select * from `listings` where (`slug` = 出售华为手机) limit 1) in file /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Database/Connection.php on line 829 #0 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Database/Connection.php(983): Illuminate\Database\Connection->runQueryCallback() #1 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Database/Connection.php(962): Illuminate\Database\Connection->tryAgainIfCausedByLostConnection() #2 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Database/Connection.php(785): Illuminate\Database\Connection->handleQueryException() #3 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Database/Connection.php(414): Illuminate\Database\Connection->run() #4 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(2751): Illuminate\Database\Connection->select() #5 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(2740): Illuminate\Database\Query\Builder->runSelect() #6 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3294): Illuminate\Database\Query\Builder->Illuminate\Database\Query\{closure}() #7 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(2739): Illuminate\Database\Query\Builder->onceWithColumns() #8 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Builder.php(738): Illuminate\Database\Query\Builder->get() #9 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Builder.php(722): Illuminate\Database\Eloquent\Builder->getModels() #10 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Database/Concerns/BuildsQueries.php(333): Illuminate\Database\Eloquent\Builder->get() #11 /www/wwwroot/pitradecenter.com/app/Http/Controllers/User/CoinController.php(67): Illuminate\Database\Eloquent\Builder->first() #12 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Routing/Controller.php(54): App\Http\Controllers\User\CoinController->show() #13 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php(43): Illuminate\Routing\Controller->callAction() #14 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Routing/Route.php(259): Illuminate\Routing\ControllerDispatcher->dispatch() #15 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Routing/Route.php(205): Illuminate\Routing\Route->runController() #16 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Routing/Router.php(806): Illuminate\Routing\Route->run() #17 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(144): Illuminate\Routing\Router->Illuminate\Routing\{closure}() #18 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Http/Middleware/AddLinkHeadersForPreloadedAssets.php(19): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #19 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Http\Middleware\AddLinkHeadersForPreloadedAssets->handle() #20 /www/wwwroot/pitradecenter.com/vendor/inertiajs/inertia-laravel/src/Middleware.php(87): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #21 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Inertia\Middleware->handle() #22 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Routing/Middleware/SubstituteBindings.php(50): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #23 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Routing\Middleware\SubstituteBindings->handle() #24 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/VerifyCsrfToken.php(78): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #25 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Foundation\Http\Middleware\VerifyCsrfToken->handle() #26 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/View/Middleware/ShareErrorsFromSession.php(49): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #27 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\View\Middleware\ShareErrorsFromSession->handle() #28 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php(121): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #29 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php(64): Illuminate\Session\Middleware\StartSession->handleStatefulRequest() #30 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Session\Middleware\StartSession->handle() #31 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Cookie/Middleware/AddQueuedCookiesToResponse.php(37): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #32 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse->handle() #33 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Cookie/Middleware/EncryptCookies.php(67): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #34 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Cookie\Middleware\EncryptCookies->handle() #35 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(119): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #36 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Routing/Router.php(805): Illuminate\Pipeline\Pipeline->then() #37 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Routing/Router.php(784): Illuminate\Routing\Router->runRouteWithinStack() #38 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Routing/Router.php(748): Illuminate\Routing\Router->runRoute() #39 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Routing/Router.php(737): Illuminate\Routing\Router->dispatchToRoute() #40 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(200): Illuminate\Routing\Router->dispatch() #41 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(144): Illuminate\Foundation\Http\Kernel->Illuminate\Foundation\Http\{closure}() #42 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #43 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/ConvertEmptyStringsToNull.php(31): Illuminate\Foundation\Http\Middleware\TransformsRequest->handle() #44 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Foundation\Http\Middleware\ConvertEmptyStringsToNull->handle() #45 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #46 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TrimStrings.php(40): Illuminate\Foundation\Http\Middleware\TransformsRequest->handle() #47 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Foundation\Http\Middleware\TrimStrings->handle() #48 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/ValidatePostSize.php(27): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #49 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Foundation\Http\Middleware\ValidatePostSize->handle() #50 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/PreventRequestsDuringMaintenance.php(99): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #51 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Foundation\Http\Middleware\PreventRequestsDuringMaintenance->handle() #52 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Http/Middleware/HandleCors.php(49): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #53 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Http\Middleware\HandleCors->handle() #54 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Http/Middleware/TrustProxies.php(39): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #55 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Http\Middleware\TrustProxies->handle() #56 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(119): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #57 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(175): Illuminate\Pipeline\Pipeline->then() #58 /www/wwwroot/pitradecenter.com/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(144): Illuminate\Foundation\Http\Kernel->sendRequestThroughRouter() #59 /www/wwwroot/pitradecenter.com/public/index.php(51): Illuminate\Foundation\Http\Kernel->handle() #60 {main}