[jboss-user] [EJB 3.0] - Persisting an Entity Bean with a null attribute throws Trans

Hi there, I'm a JBOSS/EJB3 newbie. I have installed JBOSS 4.0.5 GA, JDK 1.5.0_05, Eclipse 3.2+JBOSSIDE 1.6.0 plugin. MYSQL 5, mysql-connector-java-3.1.13 driver I'm trying to persist some entity beans under transaction. One of these beans has a null (non-key) attribute. Either When I call persist or when I perform a readonly query on that object I get a javax.persistence.TransactionRequiredException: EntityManager must be access within a transaction @Entity @Table(name = "person", catalog = "take2", uniqueConstraints = {}) public class Person implements java.io.Serializable { // Fields protected long idPerson; protected String name; protected String srname; protected String gender; protected Integer bthdateDD; protected Integer bthdateMm; protected Integer bthdateyyyy; protected String sInsCOde; protected Long job; protected Long bthplace; public static final String GENDER_M = "M"; public static final String GENDER_F = "F"; .... } Here I have a managed bean to create an instance of Person that I pass to an transacted EJB to manage persistence under transaction. private PersonBean createDefaultPerson() { PersonBean pb = new PersonBean(); pb.setSrName("Siciliano"); pb.setName("Andrea"); pb.setGender(Persona.SESSO_M); pb.setBthDateDD(19); pb.setBthDateMM(11); //BthDateyyyy is not set so it is null in the managed bean pb.setAge(33); pb.setBthplace(9852L); ..... return pb; } then the ejb persists the bean but I get the exception.. @TransactionAttribute(TransactionAttributeType.REQUIRED) public MyBean insDati(PersonBean abean) { ... ... entitymanager.persist(abean); .. .. } the exception does not triggers if the PersonaBean instance has all its attributes set to not null values. The database does not have a not null constraints on the non key values. +-----------------+------------------+------+-----+---------+ | Field | Type | Null | Key | Default | Extra| +-----------------+------------------+------+-----+---------+ | idPerson | bigint(20) | NO | PRI | NULL | auto_increment | | name | varchar(45) | YES | | NULL | | srname | varchar(45) | YES | | NULL | | gender | varchar(1) | YES | | NULL | | bthdateDD | int(10) unsigned | YES | | NULL | bthdateMM | int(10) unsigned | YES | | NULL | bthdateyyyy | int(10) unsigned | YES | | NULL | sInsid | varchar(16) | YES | | NULL | | job | bigint(20) | YES | | NULL | | bthplace | bigint(20) | YES | | NULL | +-----------------+------------------+------+-----+---------+ What's goin' on? thanks :G View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3992856#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...