The Apache Geronimo project is pleased to announce the official release of Geronimo 3.0. In addition to passing Java EE 6 certification, Geronimo 3.0 has added support for Java 7. For details, see 3.0.0 release notes.
Note the following:
Upgrade Tomcat to 7.0.27
Upgrade OSGi to 4.3
Upgrade BVal to 0.4
Upgrade Derby to 10.8.2.2
Support for class hot swap for OSGi applications
Apache Geronimo is an Open Source J2EE server of the Apache Software Foundation. It integrates many advanced technologies and design concepts. Most of these technologies and concepts come from independent projects, with different configuration and deployment models. Geronimo can fully integrate the configuration and deployment of these projects and methods into a unified and easy-to-use model.
A detailed introduction to Geronimo:
Apache Geronimo is an Open Source J2EE server of the Apache Software Foundation. It integrates many advanced technologies and design concepts. Most of these technologies and concepts come from independent projects, with different configuration and deployment models. Geronimo can fully integrate the configuration and deployment of these projects and methods into a unified and easy-to-use model.
As a Server compliant with the J2EE standard, Geronimo provides a wide range of feature sets and a license for no-responsibility Apache. It has various advantages of the "Deploy now" J2EE 1.4 container, including:
Servers meeting J2EE1.4 standards
Pre-integrated open source project
Unified Integration Model
Scalability, manageability, and configuration management
For Geronimo: click here
Link: http://www.oschina.net/p/geronimo