Laravel with Oracle

I'm trying to connect oracle 10g XE with laravel 5.7 for checking connection I'm using the following code

<?php
try {
DB::connection()->getPdo();
print_r('connected');
} catch (\Exception $e) {
echo '<pre>';
    die("Could not connect to the database.  Please check your configuration. error:" . $e );
}
?>

I'm facing following error

Please check your configuration. error:Yajra\Pdo\Oci8\Exceptions\Oci8Exception: ORA-00000: normal, successful completion in \laravelOracle\vendor\yajra\laravel-pdo-via-oci8\src\Pdo\Oci8.php:464

following are my .env configuration for Oracle

DB_CONNECTION=oracle
DB_HOST=127.0.0.1
DB_PORT=1521
DB_DATABASE=XE
DB_USERNAME=admin
DB_PASSWORD=admin
DB_CHARSET=AL16UTF16
DB_SERVER_VERSION=10.2

via Chebli Mohamed