June 2004
Intermediate to advanced
792 pages
23h 17m
English
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Exercise 4.2: A Simple Session Bean
In this exercise, you will create and build the TravelAgent EJB. This simple bean illustrates the use of a stateless session bean and mirrors the code shown in Chapter 4 of the EJB section of this book.
Start Up JBoss
If you already have JBoss running, there is no reason to restart it. Otherwise, start it up as instructed in the JBoss Installation and Configuration chapter.
Initialize the Database
The database should contain the 100 rows created by a successful
execution of the test programs from the previous exercise,
Client_1 and Client_2.
Build and Deploy the Example Programs
Perform the following steps:
Open a command prompt or shell terminal and change to the
ex04_2directory created by the extraction process.Set the
JAVA_HOMEandJBOSS_HOMEenvironment variables to point to where your JDK and JBoss 4.0 are installed. Examples:Windows: C:\workbook\ex04_2> set JAVA_HOME=C:\jdk1.4.2 C:\workbook\ex04_2> set JBOSS_HOME=C:\jboss-4.0Unix: $ export JAVA_HOME=/usr/local/jdk1.4.2 $ export JBOSS_HOME=/usr/local/jboss-4.0Add
antto your execution path. Ant is the build utility.Windows: C:\workbook\ex04_2> set PATH=..\ant\bin;%PATH%Unix: $ export PATH=../ant/bin:$PATHPerform the build by typing
ant.
As in the last exercise, you will see titan.jar
rebuilt, copied to the JBoss deploy directory,
and redeployed by the application server.
Examine the JBoss-Specific Files
In this example, the jboss.xml deployment descriptor overrides the default JNDI binding for ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.