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Akka Actors vs. Java EJBs from a High-Level Concurrency Perspective

by Jan Stenberg on  Feb 27, 2014 1

There are both commonalities and some differences when comparing architectural principles and coding styles in Akka Actors and Java EE 7 Enterprise JavaBeans, specifically stateless session beans and JMS message-driven beans, Dr Gerald Loeffler concludes in a recent introductory talk when explaining and comparing the three approaches from a high-level concurrency view.

JBoss Developer Framework: A Documentation Hub For JBoss Technologies

by Kostis Kapelonis on  Sep 05, 2012

JBoss Developer Framework is a central documentation resource for JBoss related technologies. The emphasis is on showing a developer how to use the whole software stack at all layers (e.g. user interface and persistence layer) in a single place. It contains Maven quickstarts, tutorials, migration documentation and other resources related to web development for the JBoss Application Server.

Apache Beehive Retired, Moved To Apache Attic

by Gilad Manor on  Feb 23, 2010

Last month, the committers of the Apache Beehive project voted to retire the project due to inactivity. The last release of Apache Beehive was version 1.0.2, which was released in December 2006. In the announcement posted on Feb 10th, Henri Yandell suggested alternatives for the main components which were part of Beehive.

Java EE 6 Features: Dependency Injection, Bean Validation and EJB Enhancements

by Srini Penchikala on  Dec 10, 2009 5

The latest version of Java Enterprise Edition (Java EE) offers several new features including dependency injection, bean validation and significant enhancements in EJB, Servlets, JSF, and JSP technologies. Java EE 6 version was released on Thursday. This article gives an overview of the new features in the latest release.

OpenEJB 3.1 Supports EJB Singletons, Constructor Injection and Spring Integration

by Srini Penchikala on  Nov 14, 2008 1

The latest release of OpenEJB, an open source lightweight EJB 3.0 implementation framework, supports EJB 3.1 Singletons, Constructor Injection and integration with Spring framework. Apache OpenEJB development team announced last week the release of version 3.1 of the framework.

OpenEJB 3.0 Supports DI of Enums and Collections, OSGi and EJB 3.0 features

by Srini Penchikala on  May 05, 2008

The latest version of OpenEJB, an open source lightweight EJB implementation framework, supports Dependency Injection of Enums, Collections and Maps, OSGi, and EJB 3.0 specification. OpenEJB 3.0 final released recently, also supports @EJB references to local interfaces in other EAR files, Transaction Logging and EJBd over HTTP protocol.

Planned Features For EJB 3.1

by Charles Humble on  Mar 18, 2008 1

The EJB 3.1 expert group recently released an early draft of the specification, containing some significant new features as well as a continued simplification of the EJB programming model.

Java EE 6 Spec Lead Requests Community Feedback on Web Profile Options

by Ryan Slobojan on  Feb 27, 2008 5

In a recent blog post, Java EE 6 (JSR 316) specification co-lead Roberto Chinnici presented the two leading candidates for the Java EE 6 Web Profile, and asked for feedback from the community on which of the two options the JSR 316 Expert Group should move forward with. InfoQ took the opportunity to analyze each of the Web Profile options in greater detail.

Spring Overtakes EJB as a Skills Requirement?

by Floyd Marinescu on  Feb 12, 2008 21

Job listings comparisons on Indeed.com show Spring surpassing EJB. Using this observation, SpringSource CEO Rod Johnson, argues that EJB is becoming legacy and that the EJB3.0 spec is doing too little, too late to prevent this trend. Do these comparisons indeed reflect significant shifts in the choices companies are making in regards to their core components for Java enterprise development?

JPA Frameworks Compared

by James Kao on  Jan 14, 2008 3

java.net is hosting an article written by Sharad Acharya titled "Java Persistence Framework: Which, When, and What?" that compares four popular persistence frameworks: CMP Entity EJBs, JPA, Hibernate, and TopLink. Acharya discusses each technology and summarizes his findings in a matrix.

Presentation: Linda DeMichiel on EJB 3 & JPA

by Floyd Marinescu on  Jan 14, 2008 3

In this talk from last year's QCon London, Linda DeMichiel, who has been leading the EJB spec since the 1.0 days, presents EJB3 with a focus on JPA. The talk covers key aspects of the Java Persistence API and its role in the development of EJB 3.0 apps, including use of the EntityManager API, persistence units and persistence contexts, queries, object/relational mapping, etc.

Is Java EE 5 easier with EJB?

by Geoffrey Wiseman on  Sep 05, 2007 10

Many enterprise Java developers gained some experience with Enterprise JavaBeans and went on to choose technologies they deemed lighter-weight, because they felt that building a solution by hand or with a lighter-weight framework was easier and less time-consuming. With EJB 3.X, is it still true that a POJO-solution is simpler, more-comprehensible code? Adam Bien doesn't think so:

Eclipse Web Tools Platform 2.0: Now with JPA and JSF tools

by Ryan Slobojan on  Aug 15, 2007

As part of the Eclipse 3.3 (Europa) release two months ago, Version 2.0 of the Eclipse Web Tools Platform (WTP) was released. InfoQ spoke with WTP co-lead Jess Garms to learn more about this release and about WTP in general.

OpenJPA adopted by both IBM and BEA; becomes top-level Apache project

by James Kao on  Jun 26, 2007 3

Apache OpenJPA has been gaining momentum in the JEE world, having been adopted by BEA as the EJB3 JPA implementation in WebLogic Server 10 and in the most recent EJB3 Feature Pack for IBM WebSphere Application Server. OpenJPA started its life in BEA's Kodo product, whose code was donated to the ASF in 2006; the project just recently graduated from the Apache Incubator as well.

Interview: Mike Keith on EJB 3

by Rob Thornton on  Feb 14, 2007

In the latest video interview, EJB 3 co-spec lead Mike Keith discusses the current state of EJB 3, including common praises and criticisms that have been received. He also talks about POJO support and how the spec has evolved towards dependency injection.

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