Most developers struggle with the same issues when deploying J2EE applications on JBoss: they have trouble getting a lot of J2EE deployment descriptor JBoss to work together, they struggle to figure out how to get started; the projects they do not have the packaging and deployment strategy grow with the application, or, they find the Class Loaders confusing and do not know how to use it, which can cause problems. You will investigate all major aspects of J2EE application deployment on JBoss, including JSPS, Servlets, EJBs, JMS, JNDI, web services, JavaMail, JDBC, and Hibernate. With the help of this book, you will: Implement a full J2EE application and deploy on the JBoss Discover how to use the latest features of JBoss 4 and J2EE 1.4, including J2EE-compliant web services Master J2EE application deployment on JBoss with the ear, war, and EJB jars Understanding J2EE deployment description of the core and how they integrate with JBoss-specific descriptors Base your security strategy JAAS Written for Java developers who want to use JBoss their projects, this book covers the whole of deploying J2EE technologies on JBoss, providing a brief survey of each subject aimed at professionals working with limited time. If you've worked with JBoss before, this book will keep you up to speed JBoss 4, JBoss WAS (web services), and Hibernate 3.