Top "Ejb" questions

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

Java: Tracking a user login session - Session EJBs vs HTTPSession

If I want to keep track of a conversational state with each client using my web application, which is the …

java session servlets ejb stateful
How does the EJB client locate the EJB server without url?

I am new to Java EE. At present I am going through The Java EE 6 Tutorial, Volume 1 (Basic Concepts Beta) …

java jakarta-ee ejb jndi
How do I write a Java EE/EJB Singleton?

A day ago my application was one EAR, containing one WAR, one EJB JAR, and a couple of utility JAR …

java jakarta-ee singleton ejb jboss5.x
Multithreading in a stateless session bean?

The EJB 3.0 specification does not allow a business method of a stateless session bean to create new threads. Why is …

java multithreading jakarta-ee ejb-3.0 ejb
How does UserTransaction propagate?

I have a stateless bean with bean-managed transactions, and a method like this: @Stateless @TransactionManagement(TransactionManagementType.BEAN) public class ... { @Resource …

java jakarta-ee ejb jta bean-managed-transactions
Have an EJB schedule tasks with "crontab syntax"

I am trying to figure out the possibilities I have to solve the following problem. a) I want to have …

java jakarta-ee ejb crontab schedule
Error assembling EJB: META-INF/ejb-jar.xml is required for ejbVersion 2.x

Is there a way to build with maven an EJB project that doesn't contain deployment descriptor?

java maven ejb
EJB Stateless Session Bean - could not create error

Let me start by pointing out that while I've been using Java SE for a while now this is my …

ejb java-ee-6 glassfish-3 stateless-session-bean
JBOSS-LOCAL-USER: javax.security.sasl.SaslException: Failed to read server challenge

When I want to access EJB on remote wildfly server from a different server, i get following error. Error: Authentication …

java authentication jboss ejb wildfly-10
What is the relationship between java:comp/env and java:global?

What is the relationship between java:comp/env and java:global (regarding 3.1 spec)? Seems like java:comp/env contains specific …

jakarta-ee ejb jndi conventions lookup