Stateless « ejb « Java Enterprise Q&A





1. Stateless EJB question    stackoverflow.com

We have a stateless EJB that is behind a webservices (EJB3), this EJB also loads a EntityManager that is passed in calls that it makes. With that I have a ...

2. Can someone explain the difference between @Remote / @Local or only @Stateless in ejb?    stackoverflow.com

I guess the topic says it. I have tried googling this, but havent gotten the answer I am looking for. I have many EJB's with only @Stateless. And sometimes I put @Local on them ...

3. Static vs Instance members in Stateless EJBs    stackoverflow.com

I have a stateless session bean which needs access to a factory class. Is it best to declare this factory class as a static or instance member in the SLSB? Am ...

4. why pool stateless bean?    stackoverflow.com

Normally we use singleton instance for business / dao layer. What is the reason behind pooling stateless session beans in case of EJBs?

5. need help in EJB stateless beans    stackoverflow.com

I am new to EJB. I have a requirement of calling a method of remote stateless bean and setting a value, before calling any method on the same bean. The value ...

6. Refresh data in stateless EJB    stackoverflow.com

Is there a function which is called every time an EJB is looked up? I need to refresh some data before any method is called.

7. Is the @Resource annotation applied when a Stateless EJB is deserialized?    stackoverflow.com

Is the @Resource annotation on a method applied when an EJB is deserialized? I have a EJB Timer thats persisted by the container and would like to know if the transient ...

8. How to invoke method on one @Stateless bean from another @Stateless bean    stackoverflow.com

I have created stateless session bean in Java. Now I want to invoke a method of another stateless session bean. Some things are missing in my code. Usual way of invoking ...

9. what happens when pool of stateless beans runs out    stackoverflow.com

we know that the stateless sessions beans (JEE5 context) can be pooled. I was wondering what happens when the Server's pool of stateless session beans has no more instances left and ...





10. Events when stateless ejb is assigned to the pool and vice versa    stackoverflow.com

is there any events like @PostConstruct and ... when a stateless ejb is assigned to the pool? I want to reset som local variables when it happens. RGDS

11. how to call a method in Stateless EJB during deployment?    stackoverflow.com

How can i tell a application server to call a method in my stateless ejb so that I can print some message during deployment. If I annotate the method with @PostConstruct ...

12. Injecting a Resource into a Stateless Local EJB    stackoverflow.com

I have an @Local interface with an @Stateless implementation. On the implementation is an @Resource(mappedName="java:/XXMail") javax.mail.Session. It remains null though and isn't injected, but a JNDI lookup via an InitialContext works fine. Any ideas ...

13. Stateless EJB with more injected EJBs instances    stackoverflow.com

I know Stateless EJBs are stored in a pool and instantiated as needed, my question is, what happens when there are more EJB dependencies, for example with something like this:

@Remote
@Stateless
public class ...

14. javax.ejb.CreateException: Could not create stateless EJB    forums.netbeans.org

pepelara Joined: 29 Nov 2008 Posts: 115 Posted: Wed Jan 27, 2010 11:49 am Post subject: javax.ejb.CreateException: Could not create stateless EJB Hi, I am tryng How to ...

16. Distinguish calls to a stateless EJB annotated as Webservice also    coderanch.com

Hi! I see that you have a @HandlerChain annotation in your code - didn't handlers turn out to be a viable alternative. Handers is the first solution I would try. Second, if handlers failed, I would consider a servlet filter for the servlet that receives the web service calls. Note that such a servlet filter would have to be configured to ...





17. javax.ejb.EJBException: javax.ejb.CreateException: Could not create stateless EJB    java-forums.org

Hello Everyone, I'm a new to JavaEE and currently I'm following the The Java EE 6 Tutorial (March 2011). System: - Windows 7 Professional 32-bit - java -version java version "1.6.0_24" Java(TM) SE Runtime Environment (build 1.6.0_24-b07) Java HotSpot(TM) Client VM (build 19.1-b02, mixed mode, sharing) - GlassFish Server 3.1 Open Source glassfish-3.1-windows.exe - netbeans-6.9.1-ml-windows.exe - apache-maven-3.0.2-bin.zip After installations are done, ...

18. Software Requirements for EJB - Stateless    forums.oracle.com

On Solaris 8 - J2SE 1.3.1 is continuing in the Sun End of Life (EOL) process. The EOL transition period began Oct 25, 2004 and will continue until the the end of the Solaris 8 five year Vintage Support Period. During this EOL transition period, the products will continue to be supported on Solaris 8 per existing customer support agreements.