About EJB

11-20 of 74Refresh
Tutorial
22

JPA Tutorials

with a Servlet and a JSP: JPA Web Application Tutorial This web application does not use EJB ... Since this web application uses Java EE 6 EJB (session beans) it requires a full Java EE 6 application server
Forum
22

Issue deploying EJB project to Jboss/Glassfish

I have been trying to deploy an EJB project created in Eclipse/Juno to both JBOSS and Glassfish.  The error I get with Glassfish is cannot Deploy HappyThought Deployment Error for module: HappyThought: Error occurred during deployment: Exception while preparing the app : java.lang
Forum
18

Glassfish 4 AbstractMethodError: com.objectdb.jpa.EMF.createEntityManager

). Thanks! WARNING:   EJB5184:A system exception occurred during an invocation on EJB UserC, method: public void com.mirq.controller.UserC.findUser(java.lang.Long) WARNING:   javax.ejb ... /EntityManager; at com.sun.ejb.containers.EJBContainerTransactionManager.checkExceptionClientTx
Tutorial
16

Step 2: Entity Class and Persistence Unit

provider with the specified database url. The next step is adding an EJB Session Bean that will manage Guest entity objects.
Tutorial
16

Java EE 6 Web Tutorial

This tutorial demonstrates how to create and run a full Java EE 6 MVC (Model View Controller) web application using GlassFish, ObjectDB and JPA. Since this web application uses Java EE 6 EJB (session beans) it requires a full Java EE 6 application server, such as GlassFish 3.0.1 or JBoss AS 6
Result
16

Consulting and Training

with ObjectDB and goes to exploring design alternatives, advanced JPQL, using ObjectDB with JEE (EJB
Tutorial
16

Step 2: Entity Class and Persistence Unit

database url. The next step is adding an EJB Session Bean that will manage Guest entity objects.
Issue
11

ObjectDB-2.6.9: Failed to commit transaction: Failed to set numeric value of field property Element.id using reflection

.ejb; import com.greensoft.objectdb.test.mini.entity.Source; import com.greensoft.objectdb.test ... @Startup public class ConfigBean extends All_ { @EJB private Builder builder ... :437) at com.greensoft.objectdb.test.mini.ejb.BuilderCommon.persist(BuilderCommon.java:50) at com
Forum
11

newbie - lots of exeptions

.Method.invoke(Method.java:601) at org.glassfish.ejb.security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:1052) at org.glassfish.ejb.security.application.EJBSecurityManager.invoke(EJBSecurityManager.java:1124) at com.sun.ejb.containers.BaseContainer
Forum
10

Guessbook tutorial: Java EE 6 JPA Tutorial - Maven Project

during an invocation on EJB GuestDao, method: public void guest.GuestDao.persist(guest.Guest) WARNING: javax.ejb.EJBException at com.sun.ejb.containers.BaseContainer.processSystemException(BaseContainer.java:5215) at com.sun.ejb.containers.BaseContainer.completeNewTx(BaseContainer.java:5113) at com.sun.ejb