I have schema like “_id”,"address","borough","cuisine","grades".
Where grades is list of maps with elements like
Now if I execute query like
Its failing at line 427 of MongoDbContext class final Column column = item.getSelectItem().getColumn();
Update: But the real issue is not MongoDB specific. We just don't (yet) support traversing list/array objects like this. We support it with key/value maps, and even also when their values are list/array types, but not when the outer most type is a list/array.