Fix purging HTTP cache for unreadable relations #3441
Merged
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When purging HTTP Cache Tags on Doctrine flush event, API Platform uses Doctrine mapping to determine the tags to purge. When doing so it assumes all mapped associations have a public accessor on the entity but sometimes this is not true and trying to access the value throws an exception.
I assume unreadable associations can be silently ignored as it means the associated entities don't appear in serialized responses which don't have the related tags anyway.