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Welcome to Apache OpenEJB!Apache OpenEJB is an embeddable and lightweight EJB 3.0 implementation that can be used as a standalone server or embedded into Tomcat, JUnit, TestNG, Eclipse, IntelliJ, Maven, Ant, and any IDE or application. OpenEJB is included in Apache Geronimo, IBM WebSphere Application Server CE, and Apple's WebObjects. Major features
News
As OpenEJB is deployed into more and more production environments we've been hard at work filling out the system to meet demands. The latest overhaul has been around the @Stateless bean pooling options. At a high level, the new features provide:
Inspired by Matthew B. Jones' blog post sharing his experience saving a whopping 26 person weeks in development with OpenEJB, we've put together a time saved calculator. A fun little tool for those that develop with OpenEJB and use a different platform in production. Check it out!
Matthew B. Jones writes a great piece, OpenEJB : Rapid J2EE Development & Testing, sharing his team's experience using OpenEJB to aid in the development of their very large JBoss application. His team of 10 has been using OpenEJB since February and by his most conservative estimations has saved 26 man-weeks on deployment time alone. A shocking amount even to our ears. Having trouble with a test? It's bound to happen eventually. We've coded up a little example that employs some of the more common ways to get more information to help resolve issues. The heart of the example is the following setup method:
public void setUp() throws Exception {
Properties p = new Properties();
p.put(Context.INITIAL_CONTEXT_FACTORY, "org.apache.openejb.client.LocalInitialContextFactory");
p.put("movieDatabase",... (more)
We've coded up a nice little example project that shows various ways to rollback transactions in unit tests. The example also serves to show the various options in EJB that pertain to how to rollback transactions via either a UserTransaction, SessionContext.setRollbackOnly(), or throwing a RuntimeException. The example also shows how to mark a RuntimeException with @ApplicationException to bypass the rollback behavior. Here's a snippet from... (more) The Apache OpenEJB community is proud to release OpenEJB 3.1. This release contains significant enhancements, improvements, new functionality and allows developers to get early access to some key parts of EJB 3.1. In addition to the embeddable EJB container and Collapsed EAR (ejbs in .war files) functionality which have been long standing OpenEJB features, now slated for EJB 3.1, this release contains full support for the new EJB 3.1 Singleton Session bean type. … ActivityClosedOpened |
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EJB3 Examples Looking for an example of how to use an EJB 3.0 or OpenEJB feature? Check out the newly revised examples. Examples include: OpenEJB Forums The Nabble site as wonderful support for turning regular mailing lists into online forums. We've setup OpenEJB and our forums are now open for business. You can easily search and post to any of our mailing lists via any of the links below: Site Updates Recently Updated
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