"Named query not known" for named Hibernate query?

Question

What might be the problem?

@Entity
@NamedQueries( {
    @NamedQuery(name = User.ALL,
                query = "SELECT u FROM User u")
})

public class User {
    public static final String ALL = "User.all";
}

public class Service {
    find... with ... User.ALL
}

Stacktrace:

Caused by: org.hibernate.MappingException: Named query not known: User.all
    at org.hibernate.impl.AbstractSessionImpl.getNamedQuery(AbstractSessionImpl.java:93)
    at org.hibernate.impl.SessionImpl.getNamedQuery(SessionImpl.java:1407)
    at $Session_a5ad46cfa25.getNamedQuery(Unknown Source)
    at $Session_a5ad46cf913.getNamedQuery(Unknown Source)
    at de.medicshare.dal.HibernateCrudServiceDAO.findUniqueWithNamedQuery(HibernateCrudServiceDAO.java:83)
    at $CrudServiceDAO_a5ad46cfa19.findUniqueWithNamedQuery(Unknown Source)
    at $CrudServiceDAO_a5ad46cfa1b.findUniqueWithNamedQuery(Unknown Source)
    at $CrudServiceDAO_a5ad46cf931.findUniqueWithNamedQuery(Unknown Source)
    at de.medicshare.pages.Signup.proceedSignup(Signup.java:82)
    at de.medicshare.pages.Signup.dispatchComponentEvent(Signup.java)
    at org.apache.tapestry5.internal.structure.ComponentPageElementImpl.dispatchEvent(ComponentPageElementImpl.java:923)
    at org.apache.tapestry5.internal.structure.ComponentPageElementImpl.processEventTriggering(ComponentPageElementImpl.java:1106)
    ... 90 more

Answer 1

Not sure if this will be your issue but check out this post here.

The issue was the use of:

org.hibernate.annotations.Entity

Instead of:

javax.persistence.Entity