Fatal error: Uncaught think\db\exception\PDOException: SQLSTATE[HY000] [1040] Too many connections in /www/wwwroot/xpshop/vendor/topthink/think-orm/src/db/PDOConnection.php:836 Stack trace: #0 /www/wwwroot/xpshop/vendor/topthink/think-orm/src/db/connector/Mysql.php(68): think\db\PDOConnection->getPDOStatement() #1 /www/wwwroot/xpshop/vendor/topthink/think-orm/src/db/PDOConnection.php(438): think\db\connector\Mysql->getFields() #2 /www/wwwroot/xpshop/vendor/topthink/think-orm/src/db/PDOConnection.php(395): think\db\PDOConnection->getTableFieldsInfo() #3 /www/wwwroot/xpshop/vendor/topthink/think-orm/src/db/PDOConnection.php(360): think\db\PDOConnection->getCachedSchemaInfo() #4 /www/wwwroot/xpshop/vendor/topthink/think-orm/src/db/PDOConnection.php(424): think\db\PDOConnection->getSchemaInfo() #5 /www/wwwroot/xpshop/vendor/topthink/think-orm/src/db/PDOConnection.php(476): think\db\PDOConnection->getTableInfo() #6 /www/wwwroot/xpshop/vendor/topthink/think-orm/src/db/Query.php(325): think\db\PDOConnection->getPk() #7 /www/wwwroot/xpshop/vendor/topthink/think-orm/src/db/concern/WhereQuery.php(43): think\db\Query->getPk() #8 /www/wwwroot/xpshop/app/portal/route.php(111): think\db\BaseQuery->where() #9 /www/wwwroot/xpshop/app/listener/InitHookListener.php(22): include_once('...') #10 [internal function]: app\listener\InitHookListener->handle() #11 /www/wwwroot/xpshop/vendor/topthink/framework/src/think/Container.php(330): ReflectionMethod->invokeArgs() #12 /www/wwwroot/xpshop/vendor/topthink/framework/src/think/Container.php(363): think\Container->invokeMethod() #13 /www/wwwroot/xpshop/vendor/topthink/framework/src/think/Event.php(269): think\Container->invoke() #14 /www/wwwroot/xpshop/vendor/topthink/framework/src/think/Event.php(230): think\Event->dispatch() #15 /www/wwwroot/xpshop/vendor/thinkcmf/cmf/think/App.php(510): think\Event->trigger() #16 /www/wwwroot/xpshop/vendor/thinkcmf/cmf/think/Http.php(187): think\App->initialize() #17 /www/wwwroot/xpshop/vendor/thinkcmf/cmf/think/Http.php(163): think\Http->initialize() #18 /www/wwwroot/xpshop/public/index.php(31): think\Http->run() #19 {main} thrown in /www/wwwroot/xpshop/vendor/topthink/think-orm/src/db/PDOConnection.php on line 836