ejb-3.0

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EJB3 or "Spring3 + hibernate" which one suitable

There are so many things are common in in EJB3 and Spring 3 with 开发者_JS百科hibernate. I need to findout where I can use Spring framework with hibernate not EJB3 and viceversa.You can use them inter[详细]

2023-03-26 19:37 分类：问答
Is there a less expensive method to do the following primary key validation in hibernate

I need to make sure the new supplierpart I\'m creating doesn\'t exist开发者_运维百科. It is currently done like so[详细]

2023-03-26 07:17 分类：问答
EJB 3.0 Timer Cluster Info

I was able to get some hands on EJB3.0 Timer Service.I was able to get the timeout working and I was able to invoke the timer using servlet Context listener.I have deployed a simple app which sends al[详细]

2023-03-25 19:31 分类：问答
EJB 3 can implement 2 remote interfaces?

I have 2 remote interfaces, say Example.java and RealExample.java. My bean Bean.java is implementing those 2 remote interfaces.[详细]

2023-03-25 19:06 分类：问答
Injection of EJB3 into Annotation Based JSF2 Backing bean causing javax.naming.NameNotFoundException:

I have seen other thread with similar issue but was not able to work out direct link with my problem . Hopefully I am not repeating a question.My issue is this: I am using Webpsphere 7 with JSF2 as Sh[详细]

2023-03-25 17:09 分类：问答
EntityManager's named query are slow where as JPAEntityManager's Expression query are faster

I am using Weblogic 10.3 and EJB3 with TopLinks(EclipseLinks) JPA implementation. I am facing an issue with my named queries, which are performing slow. However If I use EclipseLinks JPAEntityManager\[详细]

2023-03-25 13:51 分类：问答
Difference between javax.ejb.SessionSynchronization and javax.transaction.Synchronization

I am working on an EJB3 application with mainly stateless session beans (SLSB). They use container managed transactions (CMT).[详细]

2023-03-24 13:06 分类：问答
Migrating Hibernate to JPA without annotations

I have a large non-Java EE, JSF-based web app project. Our system is layered (in the s开发者_高级运维ource code sense): there\'s a data model package, building on that is the DAO package. We are using[详细]

2023-03-24 11:14 分类：问答
EJB timer performance

I am trying to decide if use a java-ee timer in my application or not. The server I am using is Weblogic 10.3.2[详细]

2023-03-23 11:31 分类：问答
MDB : dynamic selector

I have several servers running the same code but each hand开发者_Python百科ling specific messages (they are spread by geographical area and must should treat all messages related to their area)[详细]

2023-03-23 10:12 分类：问答