Migrated the system from JBoss 3.0, MS SQL, JBuilder to JBoss 4.0, mysql and Eclipse. Replaced the entity beans with the DAO objects to improve performance. Implemented XDoclet for Deployment descriptor and EJB interface generation. Implemented Blowfish encryption technique for Authentication using JBOSS Security Module. Integrated Paypal payment method into the system.
[Environment: JBoss, eclipse, XDoclet, mysql]