Illuminate\Database\QueryException: SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: No such host is known. (SQL: select `education_lavel`.`name` as `name`, `course`.`name` as `courseName`, `course`.`id` as `id`, `course`.`path` as `path`, `course`.`year` as `year`, `course`.`IsEnable` as `IsEnable`, `course`.`createdAt` as `time`, `personal_teacher`.`name` as `by` from `course` inner join `education_lavel` on `course`.`education_id` = `education_lavel`.`id` inner join `personal_teacher` on `course`.`createdBy` = `personal_teacher`.`id` where `course`.`IsEnable` = 1 order by `course`.`year` desc) in file C:\www\web\local\vendor\laravel\framework\src\Illuminate\Database\Connection.php on line 703 #0 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Database\Connection.php(663): Illuminate\Database\Connection->runQueryCallback() #1 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Database\Connection.php(367): Illuminate\Database\Connection->run() #2 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Database\Query\Builder.php(2351): Illuminate\Database\Connection->select() #3 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Database\Query\Builder.php(2339): Illuminate\Database\Query\Builder->runSelect() #4 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Database\Query\Builder.php(2873): Illuminate\Database\Query\Builder->Illuminate\Database\Query\{closure}() #5 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Database\Query\Builder.php(2340): Illuminate\Database\Query\Builder->onceWithColumns() #6 C:\www\web\local\app\Http\Controllers\HomeController.php(23): Illuminate\Database\Query\Builder->get() #7 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Routing\Controller.php(54): App\Http\Controllers\HomeController->index() #8 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Routing\ControllerDispatcher.php(45): Illuminate\Routing\Controller->callAction() #9 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Routing\Route.php(262): Illuminate\Routing\ControllerDispatcher->dispatch() #10 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Routing\Route.php(205): Illuminate\Routing\Route->runController() #11 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Routing\Router.php(695): Illuminate\Routing\Route->run() #12 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(128): Illuminate\Routing\Router->Illuminate\Routing\{closure}() #13 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Routing\Middleware\SubstituteBindings.php(50): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #14 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(167): Illuminate\Routing\Middleware\SubstituteBindings->handle() #15 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Foundation\Http\Middleware\VerifyCsrfToken.php(78): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #16 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(167): Illuminate\Foundation\Http\Middleware\VerifyCsrfToken->handle() #17 C:\www\web\local\vendor\laravel\framework\src\Illuminate\View\Middleware\ShareErrorsFromSession.php(49): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #18 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(167): Illuminate\View\Middleware\ShareErrorsFromSession->handle() #19 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Session\Middleware\StartSession.php(121): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #20 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Session\Middleware\StartSession.php(64): Illuminate\Session\Middleware\StartSession->handleStatefulRequest() #21 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(167): Illuminate\Session\Middleware\StartSession->handle() #22 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse.php(37): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #23 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(167): Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse->handle() #24 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Cookie\Middleware\EncryptCookies.php(67): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #25 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(167): Illuminate\Cookie\Middleware\EncryptCookies->handle() #26 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(103): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #27 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Routing\Router.php(697): Illuminate\Pipeline\Pipeline->then() #28 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Routing\Router.php(672): Illuminate\Routing\Router->runRouteWithinStack() #29 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Routing\Router.php(636): Illuminate\Routing\Router->runRoute() #30 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Routing\Router.php(625): Illuminate\Routing\Router->dispatchToRoute() #31 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Foundation\Http\Kernel.php(166): Illuminate\Routing\Router->dispatch() #32 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(128): Illuminate\Foundation\Http\Kernel->Illuminate\Foundation\Http\{closure}() #33 C:\www\web\local\app\Http\Middleware\Cors.php(19): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #34 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(167): App\Http\Middleware\Cors->handle() #35 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Foundation\Http\Middleware\TransformsRequest.php(21): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #36 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Foundation\Http\Middleware\ConvertEmptyStringsToNull.php(31): Illuminate\Foundation\Http\Middleware\TransformsRequest->handle() #37 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(167): Illuminate\Foundation\Http\Middleware\ConvertEmptyStringsToNull->handle() #38 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Foundation\Http\Middleware\TransformsRequest.php(21): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #39 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Foundation\Http\Middleware\TrimStrings.php(40): Illuminate\Foundation\Http\Middleware\TransformsRequest->handle() #40 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(167): Illuminate\Foundation\Http\Middleware\TrimStrings->handle() #41 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Foundation\Http\Middleware\ValidatePostSize.php(27): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #42 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(167): Illuminate\Foundation\Http\Middleware\ValidatePostSize->handle() #43 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Foundation\Http\Middleware\PreventRequestsDuringMaintenance.php(86): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #44 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(167): Illuminate\Foundation\Http\Middleware\PreventRequestsDuringMaintenance->handle() #45 C:\www\web\local\vendor\fruitcake\laravel-cors\src\HandleCors.php(38): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #46 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(167): Fruitcake\Cors\HandleCors->handle() #47 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Http\Middleware\TrustProxies.php(39): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #48 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(167): Illuminate\Http\Middleware\TrustProxies->handle() #49 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php(103): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #50 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Foundation\Http\Kernel.php(141): Illuminate\Pipeline\Pipeline->then() #51 C:\www\web\local\vendor\laravel\framework\src\Illuminate\Foundation\Http\Kernel.php(110): Illuminate\Foundation\Http\Kernel->sendRequestThroughRouter() #52 C:\www\web\index.php(52): Illuminate\Foundation\Http\Kernel->handle() #53 {main}