Request timeout - integrate third party library with codeigniter 3 - codeigniter-3

Question

Im working on API integration InPost API Create shippment. I try integrate third party library inpost with codeigniter 3 from GitHub.
https://github.com/imper86/php-inpost-api
I install this library via composer.
View:
<?php echo form_open('inpost_controller/inpost_shippment_post'); ?>
<div class="form-group">
</div>
</div>
<?php echo form_close(); ?><!-- form end -->
Then I call in controller:
require FCPATH . 'vendor/autoload.php';
Full code file Controller:
<?php
defined('BASEPATH') or exit('No direct script access allowed');
require FCPATH . 'vendor/autoload.php';
use Imper86\PhpInpostApi\Enum\ServiceType;
use Imper86\PhpInpostApi\InpostApi;
class Inpost_controller extends Admin_Core_Controller
{
public function __construct()
{
parent::__construct();
}
/**
* Create shippment Inpost Post
*/
public function inpost_shippment_post()
{
$token = 'xxxxx';
$organizationId = 'xxxxx';
$isSandbox = true;
$api = new InpostApi($token, $isSandbox);
$response = $api->organizations()->shipments()->post($organizationId, [
'receiver' => [
'name' => 'Marek Kowalczyk',
'company_name' => 'Company name',
'first_name' => 'Jan',
'last_name' => 'Kowalski',
'email' => 'test#inpost.pl',
'phone' => '888888888',
'address' => [
'street' => 'Malborska',
'building_number' => '130',
'city' => 'Kraków',
'post_code' => '30-624',
'country_code' => 'PL',
],
],
'sender' => [
'name' => 'Marek Kowalczyk',
'company_name' => 'Company name',
'first_name' => 'Jan',
'last_name' => 'Kowalski',
'email' => 'test#inpost.pl',
'phone' => '888888888',
],
'parcels' => [
['template' => 'small'],
],
'insurance' => [
'amount' => 25,
'currency' => 'PLN',
],
'cod' => [
'amount' => 12.50,
'currency' => 'PLN',
],
'custom_attributes' => [
'sending_method' => 'parcel_locker',
'target_point' => 'KRA012',
],
'service' => ServiceType::INPOST_LOCKER_STANDARD,
'reference' => 'Test',
'external_customer_id' => '8877xxx',
]);
$shipmentData = json_decode($response->getBody()->__toString(), true);
while ($shipmentData['status'] !== 'confirmed') {
sleep(1);
$response = $api->shipments()->get($shipmentData['id']);
$shipmentData = json_decode($response->getBody()->__toString(), true);
}
$labelResponse = $api->shipments()->label()->get($shipmentData['id'], [
'format' => 'Pdf',
'type' => 'A6',
]);
file_put_contents('/tmp/inpost_label.pdf', $labelResponse->getBody()->__toString());
}
}
When I post form, after 30 sec I get error 500 Internar Error Server Request timout.
And now im not sure how to debug now. I enable error log in CI3 application/logs/ I open this file but I not see any error related to this.

Answer 1

Could be a defect, or missing http2 setup/cfg.
Since the header in https2 protocol has shorter header on packs.
Not sure doe
https://caniuse.com/http2 < short http2 (TLS, HTTPS) overview
https://factoryhr.medium.com/http-2-the-difference-between-http-1-1-benefits-and-how-to-use-it-38094fa0e95b < http2 as protocol overview in 5 min