My @EJB-annotation does not work, why is that? I need help to understand why my bean is null at the breakpoint below. I have tried some different usage of the @EJB but none seems to get the bean ...

Enterprise Java Beans (EJB) is a server-side component architecture for the Java Enterprise Edition (Java EE) platform, aiming to enable rapid and simplified development for distributed, transactional ...

A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...

Java Enterprise Edition, or Java EE (previously called J2EE), is a powerful but notoriously complex platform for developing server-side applications. Since its early days, complexity has long been ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Vivek Yadav, an engineering manager from ...

Enterprise JavaBeans (EJB) is a specification for developing large-scale, distributed business applications on the Java platform. EJB 1.0 was released in 1998. The most current release, EJB 3.2.3, has ...

There is extensive overlap between the new EJB 3.0 specification and the mature JDO 2.0. Compare and contrast EJB''s substantial but essential changes to existing features in JDO. Few among us can ...

The EJB 3.0 programming model has been simplified significantly. Learn migration approaches that help ferret out difficult issues you're likely to face when migrating J2EE apps. The programming model ...

Any web based application can be built on the concept of a multi-tier, MVC model. For better maintainability, applications should be designed in such a way that the Presentation Layer and the Business ...

We are trying to migrate from jboss 5.0 to jboss 6.3. We got a problem with a local ejb call, between a Webservice and a ejb. We have tried several attempts and got several different errors. The ...