java.lang.NoClassDefFoundError: Could not initialize class org.hibernate.ejb.Ejb3Configuration
   at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:55)
   at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:79)
   at org.netbeans.modules.j2ee.persistence.jpqleditor.JPQLExecutor.execute(JPQLExecutor.java:131)
   at org.netbeans.modules.j2ee.persistence.jpqleditor.JPQLEditorController$2.run(JPQLEditorController.java:132)