ejb Questions
10
Solved
I am working on a simple Java EE application.
I have class like this:
import javax.annotation.PostConstruct;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persist...
Ike asked 10/8, 2013 at 12:4
3
Solved
I'm using the org.slf4j.Logger in a Java EJB-Project running on a glassfish 3.1.2 server.
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class main {
private static final Logge...
7
I have been doing Java SE for some years now and moving on to Java EE. However, I have some trouble understanding some aspects of Java EE.
Is Java EE just a specification? What I mean is: Is EJB ...
Halonna asked 3/9, 2011 at 18:42
12
Solved
I've recently overheard people saying that data transfer objects (DTOs) are an anti-pattern.
Why? What are the alternatives?
Diplostemonous asked 17/9, 2009 at 19:46
3
I tried to run my application (front-end developed in Java Swing, server developed with EJB deployed on Wildfly 8) with Java 9.
When the client tries to establish an EJB connection got the followin...
4
Solved
According to the Spring javadoc @Transactional(propagation = Propagation.SUPPORTS)
Support a current transaction, execute non-transactionally if none
exists. Analogous to EJB transaction attri...
Nette asked 27/2, 2013 at 19:1
3
Solved
Can I (and if so, how?) lookup CDI managed beans using javax.naming.Context#lookup in EJB module?
I'm using GlassFish v3. I suppose that I can use @Named, but what is JNDI name of CDI managed bean...
6
I am mocking an abstract class like below:
myAbstractClass = Mockito.mock(MyAbstractClass.class, Mockito.CALLS_REAL_METHODS);
the problem is that MyAbstractClass has some dependencies injected vi...
Bibliofilm asked 21/8, 2015 at 5:42
2
Spring seems to be deprecating its RMI:
As of Spring Framework 5.3, support for several remoting technologies is now deprecated for security reasons and broader industry support. Supporting infras...
Manny asked 28/5, 2021 at 8:15
9
Solved
I have found this question: What is the difference between @Inject and @EJB but I did not get any wiser. I have not done Java EE before nor do I have experience with dependency injection so I do no...
Slotter asked 15/11, 2011 at 14:52
3
Solved
I tried several ways in the session bean, like:
@Resource
private SessionContext ctx;
OR
private SessionContext ctx;
@Resource
private void setSessionContext(SessionContext ctx) {
this.sctx =...
5
Solved
I am making a Web application using Backbone.js, Bootstrap, NetBeans IDE 8.0, Java EE 7, JDK 8, WildFly server 8.1.0, JBoss RESTEasy (resteasy-jaxrs-3.0.8), JBoss 2.2.22, JBoss EJB 3.
I am (relati...
2
I'm maintaining some older JEE code which runs fine but is using some static helper classes where an entity manager is passed in the methods from the calling EJB(s) like this:
public class StaticH...
Canopy asked 9/10, 2017 at 21:35
1
Solved
@Stateless
public class MyStatelessBeanA {
@Resource
private SessionContext sessionCtx;
public byte[] methodA(){
MyStatelessBeanA myStatelessProxy1 = this.sessionCtx.getBusinessObject(MySta...
Scratchboard asked 5/11, 2019 at 16:53
1
Solved
Hi All
Server : Websphere 9.
Application works fine with Spring 4. We want move to Spring 5.
We ran into issues with DI (Dependency Injection).
We have EJB module (with Message Driven Beans)...
Kashgar asked 18/6, 2018 at 10:47
5
Solved
Been trying to learn what EJB beans are, what does it mean their instances are managed in a pool, blah blah. Really can't get a good grip of them.
Can you explain me what they really are (practica...
Pogy asked 13/10, 2012 at 11:31
4
Solved
I am getting the exception org.hibernate.PersistentObjectException: detached entity passed to persist. From the numerous posts on this forum and elsewhere, I understand that this happens in two cas...
3
I'm trying to write JUnit tests for a stateless session bean that has an injected EntityManager:
@Stateless
public class MyServiceBean implements MyService, ... {
@PersistenceContext
private Enti...
Transition asked 2/2, 2012 at 13:5
5
when I try to mock following method(Method is using remote EJB call for business logic) for the Junit test, it gives javax.naming.NoInitialContextException
private void someMethod(int id1, int id2...
Lycaonia asked 20/4, 2016 at 5:5
2
Solved
6
Solved
Do you still use session or entity EJBs in your project? Why?
Giroux asked 20/9, 2008 at 17:18
3
Solved
i use JPA eclipse Toplink & EJB
everytime i receive entity from database then change some data inside of it,
database(MYSQL) automaticly change too without i commit or do something
Example:
...
8
i have created a namedquery with ejb to check if the username is used.
When the singleResult is null, then i get the following Exception :
javax.persistence.NoResultException: getSingleResult() di...
1
I have created enterprise project in eclipse . dynamic web project and ejb project has reference for enterprise project.
When i running admin(enterprise project) run as selecting wildfly server 18....
5
I am using Glassfish-bundled Eclipse IDE. I wrote a simple EJB application. but it doesn't work.
@Stateless
@Remote(CalculatorRemote.class)
@Local(CalculatorLocal.class)
public class Calculator...
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