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Geronimo 2.0.1 also introduces new features such as simplified development, improved diagnostics and flexible assemblies. Simplified deployment is achieved through the use of standards based programming model enhancements found in Java Enterprise Edition 5.0. This includes support for the Enterprise JavaBeans (EJB3) specification as implemented by the Apache OpenEJB and Apache OpenJPA projects. Here is a list of some of these programming enhancements:

• Streamlined development options provided with Java Enterprise Edition 5.0
• EJB 3.0 persistence (Java Persistence Architecture)
• A programming model that uses annotations to express developer defaults in the source code

Improved diagnostic capabilities include enhanced logging, class loader viewer as well as JMX browser which are all available from the web based console. Change logging levels on the fly as well as view existing logs with a set of filters. Looking for a class and wondering where it came from? The class loader viewer let's you find them. Want to see or change the attributes for MBeans in the server? The JMX browser allows you to navigate the MBeans in the server in a simple tree format without having to hook up external consoles or third party products. In addition, the Certification Authority portlet provides a user friendly interface to setup a Certification Authority, your own Public-Key Infrastructure, and use server/client Digital Certificates for securing your applications.

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