An Error occurred while handling another error:
exception 'PDOException' with message 'SQLSTATE[HY000] [2002] No such file or directory' in /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Connection.php:600
Stack trace:
#0 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Connection.php(600): PDO->__construct('mysql:host=loca...', '9iao', 'daewybzFLhKEn4F...', NULL)
#1 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Connection.php(542): yii\db\Connection->createPdoInstance()
#2 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Connection.php(861): yii\db\Connection->open()
#3 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Connection.php(848): yii\db\Connection->getMasterPdo()
#4 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Command.php(219): yii\db\Connection->getSlavePdo()
#5 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Command.php(894): yii\db\Command->prepare(true)
#6 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Command.php(376): yii\db\Command->queryInternal('fetch', NULL)
#7 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Query.php(247): yii\db\Command->queryOne()
#8 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/ActiveQuery.php(290): yii\db\Query->one(NULL)
#9 /www/wwwroot/123/9iao.com/common/core/base/BaseActiveRecord.php(33): yii\db\ActiveQuery->one()
#10 /www/wwwroot/123/9iao.com/common/models/Tool.php(121): common\core\base\BaseActiveRecord::findOne(Array)
#11 /www/wwwroot/123/9iao.com/common/core/front/FrontView.php(31): common\models\Tool::getTool(NULL, NULL, NULL)
#12 /www/wwwroot/123/9iao.com/common/core/base/BaseView.php(25): common\core\front\FrontView->setTheme()
#13 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/web/ErrorHandler.php(241): common\core\base\BaseView->renderFile('@yii/views/erro...', Array, Object(yii\web\ErrorHandler))
#14 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/web/ErrorHandler.php(112): yii\web\ErrorHandler->renderFile('@yii/views/erro...', Array)
#15 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/base/ErrorHandler.php(109): yii\web\ErrorHandler->renderException(Object(yii\db\Exception))
#16 [internal function]: yii\base\ErrorHandler->handleException(Object(yii\db\Exception))
#17 {main}

Next exception 'yii\db\Exception' with message 'SQLSTATE[HY000] [2002] No such file or directory' in /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Connection.php:547
Stack trace:
#0 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Connection.php(861): yii\db\Connection->open()
#1 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Connection.php(848): yii\db\Connection->getMasterPdo()
#2 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Command.php(219): yii\db\Connection->getSlavePdo()
#3 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Command.php(894): yii\db\Command->prepare(true)
#4 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Command.php(376): yii\db\Command->queryInternal('fetch', NULL)
#5 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Query.php(247): yii\db\Command->queryOne()
#6 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/ActiveQuery.php(290): yii\db\Query->one(NULL)
#7 /www/wwwroot/123/9iao.com/common/core/base/BaseActiveRecord.php(33): yii\db\ActiveQuery->one()
#8 /www/wwwroot/123/9iao.com/common/models/Tool.php(121): common\core\base\BaseActiveRecord::findOne(Array)
#9 /www/wwwroot/123/9iao.com/common/core/front/FrontView.php(31): common\models\Tool::getTool(NULL, NULL, NULL)
#10 /www/wwwroot/123/9iao.com/common/core/base/BaseView.php(25): common\core\front\FrontView->setTheme()
#11 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/web/ErrorHandler.php(241): common\core\base\BaseView->renderFile('@yii/views/erro...', Array, Object(yii\web\ErrorHandler))
#12 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/web/ErrorHandler.php(112): yii\web\ErrorHandler->renderFile('@yii/views/erro...', Array)
#13 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/base/ErrorHandler.php(109): yii\web\ErrorHandler->renderException(Object(yii\db\Exception))
#14 [internal function]: yii\base\ErrorHandler->handleException(Object(yii\db\Exception))
#15 {main}
Additional Information:

Previous exception:
exception 'PDOException' with message 'SQLSTATE[HY000] [2002] No such file or directory' in /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Connection.php:600
Stack trace:
#0 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Connection.php(600): PDO->__construct('mysql:host=loca...', '9iao', 'daewybzFLhKEn4F...', NULL)
#1 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Connection.php(542): yii\db\Connection->createPdoInstance()
#2 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Connection.php(861): yii\db\Connection->open()
#3 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Connection.php(848): yii\db\Connection->getMasterPdo()
#4 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Command.php(219): yii\db\Connection->getSlavePdo()
#5 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Command.php(894): yii\db\Command->prepare(true)
#6 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Command.php(362): yii\db\Command->queryInternal('fetchAll', NULL)
#7 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Query.php(210): yii\db\Command->queryAll()
#8 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/ActiveQuery.php(133): yii\db\Query->all(NULL)
#9 /www/wwwroot/123/9iao.com/common/modules/modularity/ModularityService.php(33): yii\db\ActiveQuery->all()
#10 /www/wwwroot/123/9iao.com/common/core/base/BaseApplication.php(38): common\modules\modularity\ModularityService->getActiveModules(false)
#11 /www/wwwroot/123/9iao.com/common/core/front/FrontApplication.php(12): common\core\base\BaseApplication->loadActiveModules(false)
#12 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/base/Object.php(107): common\core\front\FrontApplication->init()
#13 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/base/Application.php(206): yii\base\Object->__construct(Array)
#14 /www/wwwroot/123/9iao.com/frontend/web/index.php(25): yii\base\Application->__construct(Array)
#15 {main}

Next exception 'yii\db\Exception' with message 'SQLSTATE[HY000] [2002] No such file or directory' in /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Connection.php:547
Stack trace:
#0 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Connection.php(861): yii\db\Connection->open()
#1 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Connection.php(848): yii\db\Connection->getMasterPdo()
#2 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Command.php(219): yii\db\Connection->getSlavePdo()
#3 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Command.php(894): yii\db\Command->prepare(true)
#4 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Command.php(362): yii\db\Command->queryInternal('fetchAll', NULL)
#5 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/Query.php(210): yii\db\Command->queryAll()
#6 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/db/ActiveQuery.php(133): yii\db\Query->all(NULL)
#7 /www/wwwroot/123/9iao.com/common/modules/modularity/ModularityService.php(33): yii\db\ActiveQuery->all()
#8 /www/wwwroot/123/9iao.com/common/core/base/BaseApplication.php(38): common\modules\modularity\ModularityService->getActiveModules(false)
#9 /www/wwwroot/123/9iao.com/common/core/front/FrontApplication.php(12): common\core\base\BaseApplication->loadActiveModules(false)
#10 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/base/Object.php(107): common\core\front\FrontApplication->init()
#11 /www/wwwroot/123/9iao.com/vendor/yiisoft/yii2/base/Application.php(206): yii\base\Object->__construct(Array)
#12 /www/wwwroot/123/9iao.com/frontend/web/index.php(25): yii\base\Application->__construct(Array)
#13 {main}
Additional Information: