始めに

「はじめてのLaravel6入門 AWS Cloud9で学ぶ」という本で勉強しています。

開発環境

PHP Version7.2
laravel Verson6.18.3

$ php artisan migrateが実行できない

 Illuminate\Database\QueryException  : could not find driver (SQL: select * from information_schema.tables where table_schema = c9 and table_name = migrations and table_type = 'BASE TABLE')

  at /home/ec2-user/environment/cms/vendor/laravel/framework/src/Illuminate/Database/Connection.php:669
    665|         // If an exception occurs when attempting to run a query, we'll format the error
    666|         // message to include the bindings with SQL, which will make this exception a
    667|         // lot more helpful to the developer instead of just the database's errors.
    668|         catch (Exception $e) {
  > 669|             throw new QueryException(
    670|                 $query, $this->prepareBindings($bindings), $e
    671|             );
    672|         }
    673| 

  Exception trace:

  1   PDOException::("could not find driver")
      /home/ec2-user/environment/cms/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php:70

  2   PDO::__construct("mysql:host=localhost;port=3306;dbname=c9", "root", "root", [])
      /home/ec2-user/environment/cms/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php:70

  Please use the argument -v to see more details.

上記のエラー文が出てきて実行できない。

$ php -m | grep pdo
pdo_sqlite

"could not find driver"というエラー文を参考に、MySQLをインストールしようと試みるもうまくいかず。

解決方法

sudo yum -y install php72 php72-cli php72-common php72-devel php72-mysqlnd php72-pdo php72-xml php72-gd php72-intl php72-mbstring php72-mcrypt php72-opcache php72-pecl-apcu php72-pecl-imagick php72-pecl-memcached php72-pecl-redis php72-pecl-xdebug

上記のPHPのバージョンを7.2に更新するコマンドで解決できた。