Hibernate Unknown Entity

I have two jar files with hibernate classes mapped. One jar f开发者_如何转开发ile is perfectly working and for the next jar file it is not mapped. I get Unknown Entity exception. Persistence.xml is good but i dont know why this is happening. Any guess what mite be the issue???

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Check if you have @Entity on your Equipment class.

This annotation (@Entity) is marking a class as Hibernate (JPA) entity.

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For me it was a refactoring issue. I refactored my entity package but forgot to change the component scan path to the new package name. After that was realized and changed, it worked!

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Try adding following Annotation on top of your Entity Class Equipment. Change the table name accordingly if required :

@Entity
@Table(name = "Equipment")
@XmlRootElement

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package Test;

import java.util.EnumSet;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.boot.Metadata;
import org.hibernate.boot.MetadataSources;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.service.ServiceRegistry;
import org.hibernate.tool.hbm2ddl.SchemaExport;
import org.hibernate.tool.schema.TargetType;
import org.junit.Test;

import Entity.Users;

public class TestMain {
    public static void main(String[] arg){
         try {
        ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder().configure().build();
        SessionFactory sessionFactory = new MetadataSources( serviceRegistry ).buildMetadata().buildSessionFactory();
        Session session=sessionFactory.openSession();
        Transaction transaction=session.beginTransaction();
        Users users=new Users();
        users.setId(2);
        session.save(users);
        transaction.commit();
        session.close();
        sessionFactory.close();
         }catch(Throwable th){
                System.err.println("Init SessionFactory creation failed" );
                System.err.println(th);
                throw new ExceptionInInitializerError(th);
         }finally {

        }
    }


}