java.lang.NoSuchMethodError: javax.persistence.OneToMany.orphanRemoval()

Question

I have a maven project that uses spring, hibernate (3.6.4), GWT(2.3), drools,.... Everything used to work fine till I began using hibernate OneToMany, ManyToMany relations..

Answer 1

It causes with use of persistence-api annotations in entity classes, to resolve this problem let your classpath contains

        
            org.hibernate
            hibernate-annotations
            3.4.0.GA
            provided
        

this dependency to use of ejb3-persistence.jar