Top "Ejb" questions

Enterprise JavaBeans (EJB) is a managed, server-side component architecture for modular construction of enterprise applications.

Source Folder 'folder1' in project 'ProjectA' cannot output to distinct source folder 'folder2' in Eclipse

I am getting this error in some projects in my workspace. I have tried using Luna and Juno version of …

java eclipse ejb eclipse-juno eclipse-luna
openejb embedded container cannot find persistence.xml

I am using openEjb in embedded mode to test a stateless session bean, which has an injected EntityManager. However, when …

java unit-testing jakarta-ee ejb openejb
EJB 3.0 exceptions handling

A quote from the EJB specification: If the bean method encounters a system exception or error, it should simply propagate …

java jakarta-ee exception ejb ejb-3.0
Using the client jar in EJB 3 and design patterns

I'm new to EJB 3 and pretty confused with some doubts which Google didn't provide with a satisfactory answer. I'm trying …

java jakarta-ee ejb-3.0 ejb
Java EE 6: How to call Stateful Session Bean from Stateless Session Bean?

I have a Stateful Session Bean (SFSB) which acts as authentication module. In the SFSB I store the current user …

java ejb stateless-session-bean stateful-session-bean
Java EE Error: javax.enterprise.inject.UnsatisfiedResolutionException: Api type

I'm in the process of building a simple webapp modelled on the MVC architecture. I have a little JSP page …

jsp jakarta-ee model-view-controller ejb apache-tomee
ORA-02051: another session or branch in same transaction failed or finalized

I have a problem with my XA Transaction. If you look at the picture, the XA Transaction flow order is …

oracle hibernate ejb websphere xa
Relationship between EJB 3.0 and JPA?

That may seem obvious but I've seen contradictory statements: Is JPA part of EJB 3.0? I'm no specialist and it's quite …

jpa jakarta-ee ejb ejb-3.0
javax.ejb.EJBException: Illegal non-business method access on no-interface view

I'm using EclipseLink on GlassFish 3.1.1 and I'm trying to understand this exception: javax.ejb.EJBException: Illegal non-business method access on …

servlets jpa ejb eclipselink
Transaction TimeOut EJB impact on the thread

A question on EJB: Let's say I have a session bean which has an infinite loop. It is running under …

java transactions ejb stateless-session-bean