The TagsConverter was persisting a Java null as an empty string.
Also, when retrieving a null from the DB, it was converting it to an empty Tags instance.
Among other problems, this gave errors when equals() comparing an entity with a Tags field retrieved from the DB against one that still had its in-memorynull.
The
TagsConverterwas persisting a Javanullas an empty string. Also, when retrieving anullfrom the DB, it was converting it to an emptyTagsinstance.Among other problems, this gave errors when
equals()comparing an entity with aTagsfield retrieved from the DB against one that still had its in-memorynull.