[BUG] Decoration of child/media upload batch processor services fails to (un)serialize inner/decorated service

[adam-vessey]

What steps does it take to reproduce the issue?

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• When does this issue occur?

When attempting to implement a service which decorates one of the bulk child or media batch processor services, for example, to do some additional processing to nodes in that particular process.

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• Which page does it occur on?

When proceeding to submit the forms under:

• node/{nid}/members/upload and
• node/{nid}/media/upload

when it tries to actually run the related batch process.

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• What happens?

Whitescreen with error thrown, along the lines of:

NOTICE: PHP message: Uncaught PHP Exception Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException: "You have requested a non-existent service "private__y_PL4pmWbZYKwmMMk7a8-_l8rKQvALtAqKzx50RUvD8"." at /var/www/html/web/core/lib/Drupal/Component/DependencyInjection/Container.php line 157

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• To whom does it occur (anonymous visitor, editor, administrator)?

Those attempting to use the forms.

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• What did you expect to happen?

The decorated service to be used successfully.

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Which version of Islandora are you using?

2.10.0

Which method did you use to install your Islandora instance? (manually, ISLE, playbook, etc.)

Other.

Any related open or closed issues to this bug report?

Screenshots: