I\'m a newbie to Hibernate.
I have an Item
POJO which contains a Set
consisting of labels. The labels are contained on anothe
From googling around, it appears that your parameter collection may be empty. I'd add an empty check before calling the query.
The lesson is that Google is your friend. When you can't figure out an error message, try typing it into Google (or your favorite engine.) You are unlikely to be the first person to have been confused by it.