Deprecation notices in every console command following Symfony 5.4 upgrade

Question

I am quite confused by the following deprecation notice in my Symfony 5.4 application.

The "Symfony\Component\Console\Command\Command::$defaultName" property is considered final. You should not override it in "CRMPiccoBundle\Console\Command\Aws\Cognito\CreateUser".

In my code I have the following:

class CreateUser extends Command
{
    protected static $defaultName = 'crmpiccobundle:aws:cognito:createuser';

...which aligns with the documentation.

The parent Command class looks like this:

/**
 * @var string|null The default command name
 */
protected static $defaultName;

All my commands are now outputting a deprecation notice, which is not ideal.

composer show | grep console
symfony/console                      v5.4.19            Eases the creation of beautiful and testable command line interfaces

What am I misunderstanding here? I'm on PHP 8.1.14.

Answer 1

First: Deprecations are not errors You are not required to fix anything until you upgrade to Symfony 6. Then you must fix the error.

Second, like many documentations, the Symfony docs sometimes lag behind the development. The new method is documented here

So you can switch to using this

#[AsCommand(
    name: 'crmpiccobundle:aws:cognito:createuser',
    description: 'Creates a new user.',
)]
class CreateUser extends Command
{
...