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	ObjectDB and Spring Boot - sharing a simple working example ="entityManagerFactory") public EntityManagerFactory getEntityManagerFactoryBean() { ... "); } @Bean public PlatformTransactionManager transactionManager(EntityManagerFactory emf
	Finding out the JPA provider returned by the EntityManager and EntityManagerFactory, but its not. So I am left with or EntityManagerFactory instanceof com.objectdb.jpa.EMF ... . In the EntityManagerFactory:
	UserException: Invalid configuration in 'internal' - Check permissions entityManagerFactory = Persistence.createEntityManagerFactory(filePath); EntityManager = entityManagerFactory.createEntityManager(); However I get the following error com.objectdb.o ... :154) ... 21 more It seems like if the EntityManagerFactory class
	Merge Issue: Attempt to reuse an existing primary key value ; EntityManagerFactory emf = Persistence.createEntityManagerFactory( ... () { EntityManagerFactory emf = ... () { EntityManagerFactory emf =
	system exception occurred during an invocation on EJB GuestDao by: java.lang.IllegalStateException: Unable to retrieve EntityManagerFactory for unitName null ... EntityManagerFactory for unitName null at com.sun.enterprise.container.common.impl.EntityManagerWrapper ... to retrieve EntityManagerFactory for unitName null You may have missed one of the tutorial
	Database connection url >You have to fix the connection url. See: entitymanagerfactory">https://www.objectdb.com/java/jpa/persistence/overview#EntityManagerFactory support
	CriteriaQuery .where() for multiple conditions ) { EntityManagerFactory emf = (EntityManagerFactory) servletContext.getAttribute("emf
	Online backup problem > EntityManagerFactory emf = null; EntityManager em = null; ... ; EntityManagerFactory emf = Persistence.createEntityManagerFactory("HomplexServicesUnit");
	Bug: ClassCastException by retrieval .EntityManagerFactory; import javax.persistence.EntityTransaction; import javax.persistence.GeneratedValue ... (String[] args) { EntityManagerFactory emf = Persistence.createEntityManagerFactory("objectdb
	"is not null" queries not working with index .Entity; import javax.persistence.EntityManager; import javax.persistence.EntityManagerFactory; import ... ; EntityManagerFactory emf = Persistence.createEntityManagerFactory("test.odb");