A "tags" entry must be an array for service "search_api_opensearch.synonyms_subscriber"

My understanding is that a if it's not an array (i.e. just a string) that that is assumed to be the name value. See https://github.com/symfony/symfony/blob/6.3/src/Symfony/Component/Depend...

Where do you get this error? Can you provide a stack trace?

$ drush en --yes search_api_opensearch
The following module(s) will be enabled: search_api_opensearch, search_api

 // Do you want to continue?: yes.                                                                                      

In YamlFileLoader.php line 293:
                                                                                                                                                                        
  A "tags" entry must be an array for service "search_api_opensearch.synonyms_subscriber" in modules/contrib/search_api_opensearch/search_api_opensearch.services.yml.  
   Check your YAML syntax.

This is occurring on a Drupal 9.4 install. I did not see this error in Drupal 10. But for backwards compatibility, the entry should be

tags:
  - { name: event_subscriber }

.

I can confirm that this is an issue in 9.5 as per #3354857-5: A "tags" entry must be an array for service "search_api_opensearch.synonyms_subscriber" → .

Regarding #3354857-4: A "tags" entry must be an array for service "search_api_opensearch.synonyms_subscriber" → , whether or not this is the case this is not how it is treated in 9.5. All other tagged instances in core use the `- { name:...` syntax.

So, to flog a dead horse, the syntax currently in search_api_opensearch.services.yml is supported by Symfony 6, which D10 ships with, but not by Symfony 4, which D9 ships with.

Thanks for the clarification. Merged to 2.x

Automatically closed - issue fixed for 2 weeks with no activity.