hibernate-entitymanager

how to realize the idea? Send me information: {"idBanner":2, "fullnameClient":"Aria"}. If click don't contain in database, then click save and send email businesscenter. Else, send a message: "you responsed". Error maybe version dependences? (Entity) : Click bind Banner, Banner bind Businesscentr. Schema-validation: wrong column type encountered in column [id_bc] in table [banner]; found [int (Types#INTEGER)], but expecting [bigint (Types#BIGINT)] This is the problem which is causing this Stack trace it is mention that hibernate is validating your schema where it is finding wrong column type,

Right now I am using entitymanager to insert list of object entity to database with my dao using code like this. @Transaction public void insertBatch(List<EntityObject> o){ for(int i=0;i<o.size();i++){ em.persist(o); if(o.size % 100 == 0){ //equal to JDBC batch size em.flush(); em.clear(); } } } And when I monitor the sql statement by add this into application-context <property name="jpaVendorAdapter"> <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter"> <property name="showSql" value="true"/> </bean> </property> And the result in console will look like this Hibernate:

I was using Servlets, PostgreSQL and Hibernate with EntityManager to build a Web app and everything was working ok until I moved the project to a Maven based project. Now I'm getting this weird exception every time I try to create an EntityManager from an EntityManagerFactory : org.hibernate.resource.transaction.backend.jta.internal.JtaPlatformInaccessibleException: Unable to access TransactionManager or UserTransaction to make physical transaction delegate at org.hibernate.resource.transaction.backend.jta.internal.JtaTransactionCoordinatorImpl.makePhysicalTransactionDelegate

i have a simple question. Its possible to add dependency injection via @Ressource or @Autowired to the Hibernate Eventlistener? I will show you my entitymanagerfactory configuration: <bean id="entityManagerFactory" class="org.hibernate.ejb.EntityManagerFactoryImpl"> <qualifier value="entityManagerFactory" /> <constructor-arg> <bean class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"> <property name="persistenceUnitManager"> <bean class="org.springframework.orm.jpa.persistenceunit.DefaultPersistenceUnitManagerr"> <property name="defaultDataSource" ref="dataSource" /> <

I'm using Hibernate as a JPA provider (I'm using its EntityManagerFactory instead of its SessionFactory ) in a Spring Framework application. I managed to get Spring Framework's load time weaving support working, so I'm past that hurdle. I need to enable lazy loading of byte[] and @ManyToOne properties on an entity. I understand how to instrument (weave) my entities at build time using Hibernate's ant task, but I'd like to instrument my entities at runtime instead (load time weaving). I've seen references to in on several Google search results, but no actual instructions for enabling it. What

I am new to Hibernate and am unclear of whether to use a SessionFactory or EntityManagerFactory to obtain the hibernate session. What is the difference between the two? Pros & Cons? Prefer EntityManagerFactory and EntityManager . They are defined by the JPA standard. SessionFactory and Session are hibernate-specific. The EntityManager invokes the hibernate session under the hood. And if you need some specific features that are not available in the EntityManager , you can obtain the session by calling: Session session = entityManager.unwrap(Session.class); toytoy I want to add on this that you