SQLSTATE[HY000] [2002] Connection refused (SQL: select * from `posts_blog` where `status` = 1 and (`slug` = linux-ubuntu-donot-use-root-user) limit 1)

(3/3) QueryException

SQLSTATE[HY000] [2002] Connection refused (SQL: select * from `posts_blog` where `status` = 1 and (`slug` = linux-ubuntu-donot-use-root-user) limit 1)

in Connection.php line 664
at Connection->runQueryCallback('select * from `posts_blog` where `status` = ? and (`slug` = ?) limit 1', array(1, 'linux-ubuntu-donot-use-root-user'), object(Closure))in Connection.php line 624
at Connection->run('select * from `posts_blog` where `status` = ? and (`slug` = ?) limit 1', array(1, 'linux-ubuntu-donot-use-root-user'), object(Closure))in Connection.php line 333
at Connection->select('select * from `posts_blog` where `status` = ? and (`slug` = ?) limit 1', array(1, 'linux-ubuntu-donot-use-root-user'), true)in Builder.php line 1963
at Builder->runSelect()in Builder.php line 1951
at Builder->Illuminate\Database\Query\{closure}()in Builder.php line 2435
at Builder->onceWithColumns(array('*'), object(Closure))in Builder.php line 1952
at Builder->get(array('*'))in Builder.php line 481
at Builder->getModels(array('*'))in Builder.php line 465
at Builder->get(array('*'))in BuildsQueries.php line 77
at Builder->first(array('*'))in Builder.php line 410
at Builder->firstOrFail()in PostController.php line 65
at PostController->__renderPost(0, 'linux-ubuntu-donot-use-root-user')in PostController.php line 41
at PostController->postBySlug('linux-ubuntu-donot-use-root-user')
at call_user_func_array(array(object(PostController), 'postBySlug'), array('slug' => 'linux-ubuntu-donot-use-root-user'))in Controller.php line 54
at Controller->callAction('postBySlug', array('slug' => 'linux-ubuntu-donot-use-root-user'))in ControllerDispatcher.php line 45
at ControllerDispatcher->dispatch(object(Route), object(PostController), 'postBySlug')in Route.php line 212
at Route->runController()in Route.php line 169
at Route->run()in Router.php line 665
at Router->Illuminate\Routing\{closure}(object(Request))in Pipeline.php line 30
at Pipeline->Illuminate\Routing\{closure}(object(Request))in SubstituteBindings.php line 41
at SubstituteBindings->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in VerifyCsrfToken.php line 68
at VerifyCsrfToken->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in ShareErrorsFromSession.php line 49
at ShareErrorsFromSession->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in StartSession.php line 63
at StartSession->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in AddQueuedCookiesToResponse.php line 37
at AddQueuedCookiesToResponse->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in EncryptCookies.php line 66
at EncryptCookies->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in Pipeline.php line 104
at Pipeline->then(object(Closure))in Router.php line 667
at Router->runRouteWithinStack(object(Route), object(Request))in Router.php line 642
at Router->runRoute(object(Request), object(Route))in Router.php line 608
at Router->dispatchToRoute(object(Request))in Router.php line 597
at Router->dispatch(object(Request))in Kernel.php line 176
at Kernel->Illuminate\Foundation\Http\{closure}(object(Request))in Pipeline.php line 30
at Pipeline->Illuminate\Routing\{closure}(object(Request))in TrustProxies.php line 57
at TrustProxies->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in TransformsRequest.php line 31
at TransformsRequest->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in TransformsRequest.php line 31
at TransformsRequest->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in ValidatePostSize.php line 27
at ValidatePostSize->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in CheckForMaintenanceMode.php line 62
at CheckForMaintenanceMode->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in Pipeline.php line 104
at Pipeline->then(object(Closure))in Kernel.php line 151
at Kernel->sendRequestThroughRouter(object(Request))in Kernel.php line 116
at Kernel->handle(object(Request))in index.php line 55

(2/3) PDOException

SQLSTATE[HY000] [2002] Connection refused

in PDOConnection.php line 31
at PDOConnection->__construct('mysql:host=127.0.0.1;port=3306;dbname=kangxuanpeng', 'kangxuanpeng', 'HongXunPan', array(0, 2, 0, false, false))in Connector.php line 65
at Connector->createPdoConnection('mysql:host=127.0.0.1;port=3306;dbname=kangxuanpeng', 'kangxuanpeng', 'HongXunPan', array(0, 2, 0, false, false))in Connector.php line 44
at Connector->createConnection('mysql:host=127.0.0.1;port=3306;dbname=kangxuanpeng', array('driver' => 'mysql', 'host' => '127.0.0.1', 'port' => '3306', 'database' => 'kangxuanpeng', 'username' => 'kangxuanpeng', 'password' => 'HongXunPan', 'unix_socket' => '', 'charset' => 'utf8mb4', 'collation' => 'utf8mb4_unicode_ci', 'prefix' => '', 'strict' => true, 'engine' => null, 'name' => 'mysql'), array(0, 2, 0, false, false))in MySqlConnector.php line 24
at MySqlConnector->connect(array('driver' => 'mysql', 'host' => '127.0.0.1', 'port' => '3306', 'database' => 'kangxuanpeng', 'username' => 'kangxuanpeng', 'password' => 'HongXunPan', 'unix_socket' => '', 'charset' => 'utf8mb4', 'collation' => 'utf8mb4_unicode_ci', 'prefix' => '', 'strict' => true, 'engine' => null, 'name' => 'mysql'))in ConnectionFactory.php line 182
at ConnectionFactory->Illuminate\Database\Connectors\{closure}()
at call_user_func(object(Closure))in Connection.php line 915
at Connection->getPdo()in Connection.php line 940
at Connection->getReadPdo()in Connection.php line 399
at Connection->getPdoForSelect(true)in Connection.php line 325
at Connection->Illuminate\Database\{closure}('select * from `posts_blog` where `status` = ? and (`slug` = ?) limit 1', array(1, 'linux-ubuntu-donot-use-root-user'))in Connection.php line 657
at Connection->runQueryCallback('select * from `posts_blog` where `status` = ? and (`slug` = ?) limit 1', array(1, 'linux-ubuntu-donot-use-root-user'), object(Closure))in Connection.php line 624
at Connection->run('select * from `posts_blog` where `status` = ? and (`slug` = ?) limit 1', array(1, 'linux-ubuntu-donot-use-root-user'), object(Closure))in Connection.php line 333
at Connection->select('select * from `posts_blog` where `status` = ? and (`slug` = ?) limit 1', array(1, 'linux-ubuntu-donot-use-root-user'), true)in Builder.php line 1963
at Builder->runSelect()in Builder.php line 1951
at Builder->Illuminate\Database\Query\{closure}()in Builder.php line 2435
at Builder->onceWithColumns(array('*'), object(Closure))in Builder.php line 1952
at Builder->get(array('*'))in Builder.php line 481
at Builder->getModels(array('*'))in Builder.php line 465
at Builder->get(array('*'))in BuildsQueries.php line 77
at Builder->first(array('*'))in Builder.php line 410
at Builder->firstOrFail()in PostController.php line 65
at PostController->__renderPost(0, 'linux-ubuntu-donot-use-root-user')in PostController.php line 41
at PostController->postBySlug('linux-ubuntu-donot-use-root-user')
at call_user_func_array(array(object(PostController), 'postBySlug'), array('slug' => 'linux-ubuntu-donot-use-root-user'))in Controller.php line 54
at Controller->callAction('postBySlug', array('slug' => 'linux-ubuntu-donot-use-root-user'))in ControllerDispatcher.php line 45
at ControllerDispatcher->dispatch(object(Route), object(PostController), 'postBySlug')in Route.php line 212
at Route->runController()in Route.php line 169
at Route->run()in Router.php line 665
at Router->Illuminate\Routing\{closure}(object(Request))in Pipeline.php line 30
at Pipeline->Illuminate\Routing\{closure}(object(Request))in SubstituteBindings.php line 41
at SubstituteBindings->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in VerifyCsrfToken.php line 68
at VerifyCsrfToken->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in ShareErrorsFromSession.php line 49
at ShareErrorsFromSession->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in StartSession.php line 63
at StartSession->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in AddQueuedCookiesToResponse.php line 37
at AddQueuedCookiesToResponse->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in EncryptCookies.php line 66
at EncryptCookies->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in Pipeline.php line 104
at Pipeline->then(object(Closure))in Router.php line 667
at Router->runRouteWithinStack(object(Route), object(Request))in Router.php line 642
at Router->runRoute(object(Request), object(Route))in Router.php line 608
at Router->dispatchToRoute(object(Request))in Router.php line 597
at Router->dispatch(object(Request))in Kernel.php line 176
at Kernel->Illuminate\Foundation\Http\{closure}(object(Request))in Pipeline.php line 30
at Pipeline->Illuminate\Routing\{closure}(object(Request))in TrustProxies.php line 57
at TrustProxies->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in TransformsRequest.php line 31
at TransformsRequest->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in TransformsRequest.php line 31
at TransformsRequest->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in ValidatePostSize.php line 27
at ValidatePostSize->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in CheckForMaintenanceMode.php line 62
at CheckForMaintenanceMode->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in Pipeline.php line 104
at Pipeline->then(object(Closure))in Kernel.php line 151
at Kernel->sendRequestThroughRouter(object(Request))in Kernel.php line 116
at Kernel->handle(object(Request))in index.php line 55

(1/3) PDOException

SQLSTATE[HY000] [2002] Connection refused

in PDOConnection.php line 27
at PDO->__construct('mysql:host=127.0.0.1;port=3306;dbname=kangxuanpeng', 'kangxuanpeng', 'HongXunPan', array(0, 2, 0, false, false))in PDOConnection.php line 27
at PDOConnection->__construct('mysql:host=127.0.0.1;port=3306;dbname=kangxuanpeng', 'kangxuanpeng', 'HongXunPan', array(0, 2, 0, false, false))in Connector.php line 65
at Connector->createPdoConnection('mysql:host=127.0.0.1;port=3306;dbname=kangxuanpeng', 'kangxuanpeng', 'HongXunPan', array(0, 2, 0, false, false))in Connector.php line 44
at Connector->createConnection('mysql:host=127.0.0.1;port=3306;dbname=kangxuanpeng', array('driver' => 'mysql', 'host' => '127.0.0.1', 'port' => '3306', 'database' => 'kangxuanpeng', 'username' => 'kangxuanpeng', 'password' => 'HongXunPan', 'unix_socket' => '', 'charset' => 'utf8mb4', 'collation' => 'utf8mb4_unicode_ci', 'prefix' => '', 'strict' => true, 'engine' => null, 'name' => 'mysql'), array(0, 2, 0, false, false))in MySqlConnector.php line 24
at MySqlConnector->connect(array('driver' => 'mysql', 'host' => '127.0.0.1', 'port' => '3306', 'database' => 'kangxuanpeng', 'username' => 'kangxuanpeng', 'password' => 'HongXunPan', 'unix_socket' => '', 'charset' => 'utf8mb4', 'collation' => 'utf8mb4_unicode_ci', 'prefix' => '', 'strict' => true, 'engine' => null, 'name' => 'mysql'))in ConnectionFactory.php line 182
at ConnectionFactory->Illuminate\Database\Connectors\{closure}()
at call_user_func(object(Closure))in Connection.php line 915
at Connection->getPdo()in Connection.php line 940
at Connection->getReadPdo()in Connection.php line 399
at Connection->getPdoForSelect(true)in Connection.php line 325
at Connection->Illuminate\Database\{closure}('select * from `posts_blog` where `status` = ? and (`slug` = ?) limit 1', array(1, 'linux-ubuntu-donot-use-root-user'))in Connection.php line 657
at Connection->runQueryCallback('select * from `posts_blog` where `status` = ? and (`slug` = ?) limit 1', array(1, 'linux-ubuntu-donot-use-root-user'), object(Closure))in Connection.php line 624
at Connection->run('select * from `posts_blog` where `status` = ? and (`slug` = ?) limit 1', array(1, 'linux-ubuntu-donot-use-root-user'), object(Closure))in Connection.php line 333
at Connection->select('select * from `posts_blog` where `status` = ? and (`slug` = ?) limit 1', array(1, 'linux-ubuntu-donot-use-root-user'), true)in Builder.php line 1963
at Builder->runSelect()in Builder.php line 1951
at Builder->Illuminate\Database\Query\{closure}()in Builder.php line 2435
at Builder->onceWithColumns(array('*'), object(Closure))in Builder.php line 1952
at Builder->get(array('*'))in Builder.php line 481
at Builder->getModels(array('*'))in Builder.php line 465
at Builder->get(array('*'))in BuildsQueries.php line 77
at Builder->first(array('*'))in Builder.php line 410
at Builder->firstOrFail()in PostController.php line 65
at PostController->__renderPost(0, 'linux-ubuntu-donot-use-root-user')in PostController.php line 41
at PostController->postBySlug('linux-ubuntu-donot-use-root-user')
at call_user_func_array(array(object(PostController), 'postBySlug'), array('slug' => 'linux-ubuntu-donot-use-root-user'))in Controller.php line 54
at Controller->callAction('postBySlug', array('slug' => 'linux-ubuntu-donot-use-root-user'))in ControllerDispatcher.php line 45
at ControllerDispatcher->dispatch(object(Route), object(PostController), 'postBySlug')in Route.php line 212
at Route->runController()in Route.php line 169
at Route->run()in Router.php line 665
at Router->Illuminate\Routing\{closure}(object(Request))in Pipeline.php line 30
at Pipeline->Illuminate\Routing\{closure}(object(Request))in SubstituteBindings.php line 41
at SubstituteBindings->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in VerifyCsrfToken.php line 68
at VerifyCsrfToken->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in ShareErrorsFromSession.php line 49
at ShareErrorsFromSession->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in StartSession.php line 63
at StartSession->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in AddQueuedCookiesToResponse.php line 37
at AddQueuedCookiesToResponse->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in EncryptCookies.php line 66
at EncryptCookies->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in Pipeline.php line 104
at Pipeline->then(object(Closure))in Router.php line 667
at Router->runRouteWithinStack(object(Route), object(Request))in Router.php line 642
at Router->runRoute(object(Request), object(Route))in Router.php line 608
at Router->dispatchToRoute(object(Request))in Router.php line 597
at Router->dispatch(object(Request))in Kernel.php line 176
at Kernel->Illuminate\Foundation\Http\{closure}(object(Request))in Pipeline.php line 30
at Pipeline->Illuminate\Routing\{closure}(object(Request))in TrustProxies.php line 57
at TrustProxies->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in TransformsRequest.php line 31
at TransformsRequest->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in TransformsRequest.php line 31
at TransformsRequest->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in ValidatePostSize.php line 27
at ValidatePostSize->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in CheckForMaintenanceMode.php line 62
at CheckForMaintenanceMode->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in Pipeline.php line 104
at Pipeline->then(object(Closure))in Kernel.php line 151
at Kernel->sendRequestThroughRouter(object(Request))in Kernel.php line 116
at Kernel->handle(object(Request))in index.php line 55