Top "Ejb-3.0" questions

What is the difference between DAO and Repository patterns?

What is the difference between Data Access Objects (DAO) and Repository patterns? I am developing an application using Enterprise Java …

hibernate domain-driven-design ejb-3.0 repository-pattern data-access-layer

use of entityManager.createNativeQuery(query,foo.class)

I would like to return a List of Integers from a javax.persistence.EntityManager.createNativeQuery call Why is the following …

java jpa ejb-3.0

"detached entity passed to persist error" with JPA/EJB code

I am trying to run this basic JPA/EJB code: public static void main(String[] args){ UserBean user = new UserBean(); …

java jpa ejb-3.0

javax.naming.NameNotFoundException

I am running an example of ejb using JBoss5 Container. I am using an example from here(Part one). In …

java jboss jakarta-ee ejb-3.0 jndi

Batch inserts using JPA EntityManager

Is there a way where we can use batch inserts using JPA EntityManager. I know there is no direct way …

java jakarta-ee ejb-3.0 eclipselink

Spring vs EJB. Can Spring replace EJB?

Since Spring is able to use transactions just like EJB. For me, Spring is able to replace the requirement of …

java spring ejb-3.0

JBoss transaction timeout setting?

We have a timer service triggered task in JBoss 5.1.0.GA application and the problem is that we cannot change the …

jboss timeout ejb-3.0 transactions jboss5.x

Successful build in Maven still showing errors in Eclipse

I'm having something quite peculiar here, my build is successful in maven when I type "mvn clean install" however once …

java eclipse maven ejb-3.0

java.lang.IllegalStateException: Multiple representations of the same entity with @ManyToMany 3 entities

I have 3 entities with ManyToMany relationships: Role Entity: @Entity public class Role { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Integer roleID; …

java hibernate jpa jpa-2.0 ejb-3.0

JPA and Table Views. Can it be done?

We currently have a Java EE system where we are mapping to our database using JPA. It is a fairly …

java jakarta-ee jpa view ejb-3.0