When creating entities, I notice that Forge puts the @Entity line on the same physical line as the last import statement:

import java.lang.Override;@Entity public class ProductOrder implements java.io.Serializable {
import java.lang.Override;@Entity public class Item implements java.io.Serializable {
import javax.persistence.TemporalType;@Entity public class Customer implements java.io.Serializable {

commands are:
persistence setup --provider HIBERNATE --container JBOSS_AS7
entity --named Customer --package ~.model
field string --named firstName
field string --named lastName
field temporal --type DATE --named birthDate
entity --named Item
field string --named name
field number --named price --type java.lang.Double
field int --named stock
entity --named ProductOrder