Exception in thread "AWT-EventQueue-0" java.lang.IncompatibleClassChangeError: Implementing class

Asked Jul 23 '13 at 11:53

Active Jul 23 '13 at 11:53

Viewed 679 times

package com.em;

import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;

public class EntityManagerClass {
     public static EntityManager createEntity() {
         System.out.println("EntityManager start");
        **EntityManagerFactory entityManagerFactory = Persistence.createEntityManagerFactory("idata");**
        EntityManager entityManager = entityManagerFactory.createEntityManager();
        System.out.println("EntityManager"+entityManager);
        return entityManager;
    }
}

Hi i am new to java . When i am using ENTITYMANAGERFACTORY in JPA,i am getting error like "Exception in thread "AWT-EventQueue-0" java.lang.IncompatibleClassChangeError: Implementing class". please help to solve this.

asked Jul 23 '13 at 11:53

Anu

1

did you checked this: http://stackoverflow.com/questions/1980452/what-causes-java-lang-incompatibleclasschangeerror – Jul 23 '13 at 11:57
no, i didn't get solution. – Anu Jul 23 '13 at 12:13

Exception in thread "AWT-EventQueue-0" java.lang.IncompatibleClassChangeError: Implementing class

0 Answers0