Tag Archives: Enterprise JavaBean

Migrating from EJB to Spring and from JBoss to Apache Tomcat: A Real-Life Case Study of Hyperic v4.5 Release


This case study on migrating the open source web application monitoring and management software, Hyperic, to the Spring Framework and Apache Tomcat was originally delivered by Jennifer Hickey at the 2010 SpringOne 2GX conference. This migration work was done for Hyperic v4.5 release. Here are some of the advantages cited about this migration: 1. Improved […]

J2EE/Java EE File Formats: EAR vs WAR


Overview J2EE application server has two containers (run time environments) – one is web container and other is EJB container Web container hosts web applications based on JSP/Servlets API – designed specifically for web request handling – more of request/response distributed computing. Web container requires the web module to be packaged in WAR file that […]