Log4j in JBoss
How do I enable logging under JBoss?
Category: Java
EJB m:n relationship in JBoss + Xdoclet
As a (promised) follow-up on the uni-direcional CMP/CMR example in EJB CMP/CMR example with JBoss+Xdoclet, we present a many-to-many (m:n) relationship example here, albeit in much less detail. For …
Sneak preview of ADF JHeadstart
Yesterday we (Hans, Harm, Rob, Wiene and myself) had a session with the Oracle JHeadstart team (Steven and Peter) where they demonstrated the upcoming ADF JHeadstart release. We also …
EJB CMP/CMR example with JBoss+Xdoclet
In this post I’ll first discuss how to implement a unidirectional one-to-one relationship with EJBs, JBoss and Xdoclet in abstracto, using two tables called table1 and table2. Thereafter I’ll …
JSP and JSTL experiences
This post describes some of my recent experiences in using JSP and JSTL. For many probably highly trivial.
Pro's + con's of EJBs
For a good “non-religious” argumentation on the advantages, drawbacks and points for improvement of EJBs, see this post by Nick Minutello.
Attribute Oriented Programming, a new programming paradigm?
In this post I want to give some pointers to/an overview of technologies for developing server side software in general, as well as one in particular: Attribute Oriented Programming, …
Article on ANT 1.6 – features for Task Writers
An interesting article appeared on OTN today: ANT 1.6 for Taskwriters. This article will show you that Ant 1.6 has also changed internally and how you can take advantage …
Core J2ee patterns, session facade: always useful
Any non-trivial EJB-based application should incorporate the session facade design pattern, since the overhead to implement it is negligible and the benefits are great, as can be read on …
Core J2EE patterns, Abstract Factory: unit testing with Struts
During development of your Struts-based web tier, you want to be able to test your page flow, action forms and validation independent of your persistency layer, which may be …
Exception-handling in Struts
For a simple and generic solution to the boring and code-aesthetics ruining routine of catching rare exceptions in your Struts-actions, try a global exceptionhandler.
Import (non Eclipse-based) project from CVS into Eclipse
This post describes how to import a (non-Eclipse) based project from CVS into Eclipse.
Useful Eclipse-related links
In Nancy Chen Junhua’s article on Developing Struts with Easy Struts for Eclipse she has some interesting pointers to documents on “Eclipse Aided Development” on IBM’s developerworks. In my …
Struts and Resource Bundle problems
Working my way through the first chapter of Jakarta Struts Live book, I could not get my own application working, failing at the <bean:message key="welcome.databaseSelection"/> The annoying thing was …
A Practical Guide for Integrating EJB and Struts
Playing with EJBs at home and programming with Struts at work recently, I wondered how you would integrate those, preferrably with the Eclipse environment: EJB and the Struts framework …
Enhancements for JHeadstart Generator/Consolidation of best practices
This post describes a list of JHeadstart Application Generator enhancements and also provides a progress report on the implementation of the features mentioned
Logging quickstart: Log4j and Jakarta Commons logging
Jakarta Commons logging is a wrapper around Log4j (Log4jLogger), the Java native logging system(Jdk14Logger) and the built-in fall-back logger SimpleLog. Depending on which one is on the classpath, that …
On-line Java/J2EE courses!
On Sang Shin’s J2EE Programming with Passion! page, you can find many good (introductory) courses on J2EE (and related topics). Courses taught include J2EE Programming with Passion! Advanced J2EE …
JBoss EJB anomalies (JBoss 3.2.4, Eclipse, Xdoclet & Lomboz)!
Developing CMP entity beans with JBoss 3.2.4, Eclipse and the Lomboz plug-in, I encountered the following anomalies:
Logging with J2SDK 1.4 API or Log4J ?
According to this article: After examining the standard logging API, my opinion is to stick with the log4j package if you are looking for a robust logging implementation. The …
Working with Hibernate in Eclipse
In my search for an XML plug-in for Eclipse, I stumbled upon the following article: Working with Hibernate in Eclipse It contains a reference to such a plug-in (XMLBuddy), …
Tools for Automated Checking of Java Coding Standards
Automated Quality Audit or Standards Enforcement There is a number of tools available for automated standards checking. These tools parse Java source code and determine which standards have been …
Research into Java Development standards
Yesterday I started research into the current state of affairs with regard to coding standards for J2EE development. We are looking for an up to date set of low …
Eclipse 3.0 & Lomboz plugin download/installation
The Lomboz 3.0rc2 release works perfectly together with Eclipse 3.0. You can download it here (lomboz.3rc2.zip). Please make sure to download the accompanying Eclipse Modelling Framework (EMF) plug-in too …
Tip: free Struts book
The Apache Struts web application framework is is a flexible control layer based on standard technologies like Java Servlets, JavaBeans, ResourceBundles, and XML, as well as various Jakarta Commons …
Callable statements supported in HSQLDB
Recentely I noticed that MySQL 3.x lacks support of callable statements via the JDBC API. The good news is that the Hypersonic DB (ships standard with JBoss) does support …
Database access using Eclipse
Want to see what’s residing in your database from Eclipse? Get the QuantumDB plug-in, and create a DB connection using a driver suitable for your database. From then easy …
A Generic MVC Model in Java
An interesting article about reducing the amount of code needed to implement a certain objectmodel, using JDK1.5’s generics. “Model-View-Controller (MVC) is a widely used design pattern, especially popular in …
KC Session on ANT
On Tuesday we had a very good session with the Knowledge Center for Web & Java on ANT, the Jakarta “make”-tool. We started with the usual roundup of everyones …
Oracle Data Cartridge – Extending the Database
Oracle Data Cartridge is a technology component, part of the Oracle RDBMS (ever since the 8i release), that allows developers to extend the functionality of the database. One area …
ServletUnit
ServletUnit is a thin layer around the HttpUnit framework (reviewed here). An excerpt from the page: “As a testing tool, HttpUnit is primarily designed for “black-box” testing of web …
HttpUnit
First of all, although the name suggests otherwise, HttpUnit is NOT a unit-testing framework. What is it then? Well, read this excerpt from the HttpUnit site: “HttpUnit emulates the …
Eclipse 3.0
After a promising start, getting me all enthousiastic about the new features described in the “what’s new” document, Eclipse 3.0 got to a grinding halt when i tried to …
Eclipse plugins
Currently, plugins for the 3.0 release of Eclipse are only sparsely available. However, I already discoverd two interesting ones: a subversion Eclipse plugin (CVS support is already present in …
First experiences Eclipse 3.0
Eclipse 3.0 is available for download from the 25th of June. I downloaded and installed it. It looks great and has some great new features, among others integration with …
Getting started with MySQL
If you have just installed the MySQL RPMs and wonder what to do next, check out Getting Started with MySQL. This is a wonderful concise to-the-point comprehensible “getting started”, …
Deployment in Tomcat 4.1.30 using Eclipse
With Eclipse 2.1.3 using the SysDeo plugin for Tomcat (I’m using Tomcat 4.1.30) I am not able to un/redeploy an application: the old code isn’t replaced by the new. …
Database access with Ant!
You can access a database with Ant. This can be useful when you want to create a database and fill it with some default data at the start/deployment of …