SQLSTATE[HY000] [2002] Connection refused
/data/www/liuliangzhan/vendor/topthink/think-orm/src/db/PDOConnection.php
554
2002
    protected function createPdo($dsn, $username, $password, $params)
    {
        return new PDO($dsn, $username, $password, $params);
    }



#0 /data/www/liuliangzhan/vendor/topthink/think-orm/src/db/PDOConnection.php(554): PDO->__construct()
#1 /data/www/liuliangzhan/vendor/topthink/think-orm/src/db/PDOConnection.php(526): think\db\PDOConnection->createPdo()
#2 /data/www/liuliangzhan/vendor/topthink/think-orm/src/db/PDOConnection.php(1608): think\db\PDOConnection->connect()
#3 /data/www/liuliangzhan/vendor/topthink/think-orm/src/db/PDOConnection.php(682): think\db\PDOConnection->initConnect()
#4 /data/www/liuliangzhan/vendor/topthink/think-orm/src/db/connector/Mysql.php(66): think\db\PDOConnection->getPDOStatement()
#5 /data/www/liuliangzhan/vendor/topthink/think-orm/src/db/PDOConnection.php(393): think\db\connector\Mysql->getFields()
#6 /data/www/liuliangzhan/vendor/topthink/think-orm/src/db/PDOConnection.php(353): think\db\PDOConnection->getTableFieldsInfo()
#7 /data/www/liuliangzhan/vendor/topthink/think-orm/src/db/PDOConnection.php(464): think\db\PDOConnection->getTableInfo()
#8 /data/www/liuliangzhan/vendor/topthink/think-orm/src/db/concern/TableFieldInfo.php(58): think\db\PDOConnection->getFieldsType()
#9 /data/www/liuliangzhan/vendor/topthink/think-orm/src/db/concern/TableFieldInfo.php(81): think\db\Query->getFieldsType()
#10 /data/www/liuliangzhan/vendor/topthink/think-orm/src/db/Builder.php(328): think\db\Query->getFieldsBindType()
#11 /data/www/liuliangzhan/vendor/topthink/think-orm/src/db/Builder.php(299): think\db\Builder->buildWhere()
#12 /data/www/liuliangzhan/vendor/topthink/think-orm/src/db/builder/Mysql.php(94): think\db\Builder->parseWhere()
#13 /data/www/liuliangzhan/vendor/topthink/think-orm/src/db/PDOConnection.php(843): think\db\builder\Mysql->select()
#14 /data/www/liuliangzhan/vendor/topthink/think-orm/src/db/PDOConnection.php(632): think\db\PDOConnection->think\db\{closure}()
#15 /data/www/liuliangzhan/vendor/topthink/think-orm/src/db/PDOConnection.php(844): think\db\PDOConnection->query()
#16 /data/www/liuliangzhan/vendor/topthink/think-orm/src/db/BaseQuery.php(1090): think\db\PDOConnection->select()
#17 /data/www/liuliangzhan/app/common/model/SetModel.php(54): think\db\BaseQuery->select()
#18 /data/www/liuliangzhan/app/yizhanfanyi/HomeBaseController.php(49): app\common\model\SetModel->getTree()
#19 /data/www/liuliangzhan/app/yizhanfanyi/controller/PostController.php(45): app\yizhanfanyi\HomeBaseController->initialize()
#20 /data/www/liuliangzhan/app/BaseController.php(57): app\yizhanfanyi\controller\PostController->initialize()
#21 [internal function]: app\BaseController->__construct()
#22 /data/www/liuliangzhan/vendor/topthink/framework/src/think/Container.php(391): ReflectionClass->newInstanceArgs()
#23 /data/www/liuliangzhan/vendor/topthink/framework/src/think/Container.php(250): think\Container->invokeClass()
#24 /data/www/liuliangzhan/vendor/topthink/framework/src/think/route/dispatch/Controller.php(174): think\Container->make()
#25 /data/www/liuliangzhan/vendor/topthink/framework/src/think/route/dispatch/Controller.php(75): think\route\dispatch\Controller->controller()
#26 /data/www/liuliangzhan/vendor/topthink/framework/src/think/route/Dispatch.php(96): think\route\dispatch\Controller->exec()
#27 /data/www/liuliangzhan/vendor/topthink/framework/src/think/Route.php(747): think\route\Dispatch->run()
#28 /data/www/liuliangzhan/vendor/topthink/framework/src/think/Pipeline.php(59): think\Route->think\{closure}()
#29 /data/www/liuliangzhan/vendor/topthink/framework/src/think/Pipeline.php(65): think\Pipeline->think\{closure}()
#30 /data/www/liuliangzhan/vendor/topthink/framework/src/think/Route.php(748): think\Pipeline->then()
#31 /data/www/liuliangzhan/vendor/topthink/framework/src/think/Http.php(213): think\Route->dispatch()
#32 /data/www/liuliangzhan/vendor/topthink/framework/src/think/Http.php(203): think\Http->dispatchToRoute()
#33 /data/www/liuliangzhan/vendor/topthink/framework/src/think/Pipeline.php(59): think\Http->think\{closure}()
#34 /data/www/liuliangzhan/vendor/topthink/think-trace/src/TraceDebug.php(71): think\Pipeline->think\{closure}()
#35 [internal function]: think\trace\TraceDebug->handle()
#36 /data/www/liuliangzhan/vendor/topthink/framework/src/think/Middleware.php(142): call_user_func()
#37 /data/www/liuliangzhan/vendor/topthink/framework/src/think/Pipeline.php(84): think\Middleware->think\{closure}()
#38 /data/www/liuliangzhan/vendor/topthink/think-multi-app/src/MultiApp.php(71): think\Pipeline->think\{closure}()
#39 /data/www/liuliangzhan/vendor/topthink/framework/src/think/Pipeline.php(59): think\app\MultiApp->think\app\{closure}()
#40 /data/www/liuliangzhan/app/yizhanfanyi/middleware/CheckAgentMiddleware.php(52): think\Pipeline->think\{closure}()
#41 [internal function]: app\yizhanfanyi\middleware\CheckAgentMiddleware->handle()
#42 /data/www/liuliangzhan/vendor/topthink/framework/src/think/Middleware.php(142): call_user_func()
#43 /data/www/liuliangzhan/vendor/topthink/framework/src/think/Pipeline.php(84): think\Middleware->think\{closure}()
#44 /data/www/liuliangzhan/vendor/topthink/framework/src/think/Pipeline.php(65): think\Pipeline->think\{closure}()
#45 /data/www/liuliangzhan/vendor/topthink/think-multi-app/src/MultiApp.php(72): think\Pipeline->then()
#46 [internal function]: think\app\MultiApp->handle()
#47 /data/www/liuliangzhan/vendor/topthink/framework/src/think/Middleware.php(142): call_user_func()
#48 /data/www/liuliangzhan/vendor/topthink/framework/src/think/Pipeline.php(84): think\Middleware->think\{closure}()
#49 /data/www/liuliangzhan/vendor/topthink/framework/src/think/Pipeline.php(65): think\Pipeline->think\{closure}()
#50 /data/www/liuliangzhan/vendor/topthink/framework/src/think/Http.php(204): think\Pipeline->then()
#51 /data/www/liuliangzhan/vendor/topthink/framework/src/think/Http.php(162): think\Http->runWithRequest()
#52 /data/www/liuliangzhan/public/index.php(10): think\Http->run()
#53 {main}