Top "Ejb" questions

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

NameNotFoundException when calling a EJB in Weblogic 10.3

First of all, I'd like to underline that I've already read other posts in StackOverflow (example) with similar questions, but …

deployment weblogic ejb workmanagers
Injecting a stateless EJB into Servlet

I'm trying to inject a stateless EJB into servlet. But it is not working. Did I understand something wrong? If …

servlets ejb cdi inject
Getting java.rmi.RemoteException: EJB Exception Eventhough classpath, XMLs, Beans are correctly defined and deployed

I am having bad time debugging with this problem. I am migrating my codes from Java 1.4 to JDK 6 and Weblogic 8.1.5 …

exception ejb noclassdeffounderror remoteexception
EJB testing with TomEE embedded EJBContainer api: java.lang.ClassFormatError exception

I would test my EJB with TomEE embedded EJBContainer. This is my JUnit test case skeleton: package com.xxx.indexer.…

junit ejb apache-tomee
add packages in deployment jar using shrinkWrap in arquillian test

I am using arquillian for unit test. I am creating deployment jar using shrinkWrap. But for that I need to …

java jboss ejb jboss-arquillian
JAX-RS failed to inject @EJB or @Inject

I'm trying to test a minimal JAX-RS + EJB/CDI injection mechanism and currently hitting a road-block due to GlassFish unable …

jakarta-ee ejb glassfish-3 jax-rs inject
JMS queue message receive order

I am adding two JMS messages in the same destination sequentially. Will both of these messages be received in the …

java jms ejb-3.0 ejb openjms
Exception Deploying EJB Jar to Glassfish

This is my first foray into using JMS. I have a successfully created/deployed a war file that contains a …

java glassfish jms ejb message-driven-bean
Weblogic EJB connection to external Tibco EMS JMS Queue

I'm trying to connect a Weblogic (10.3) MDB to a Tibco EMS JMS queue. I've read from the queue using a …

jms ejb weblogic tibco ems
Why Stateless session beans?

I was reading about stateless session bean and couldn't understand it's use. Excerpt from sun tutorial below "..Because stateless session …

jakarta-ee ejb stateless-session-bean