我正在尝试做的是Display the Client Number, Client Name, Bookkeeper Number, First Name, and Last Name for allSort the records in ascending order by bookkeeper number and client number。这就是我要问的问题。[bookkeeper number], B.[firstname]order by [<e
org.hibernate.TypeMismatchException: left and right hand sides of a binary logic operator were incompatibile [java.util.Set(BookKeeper.db.Pack.book) : BookKeeper.db.Book]
但是为什么呢?