JavaPolis 2005 – Agile Development
Another side of the software engineering coin is about the development process. The popularity of agile development is growing and therefore deserved the prominent attention at javapolis. Scott Ambler …
Category: Oracle WebLogic Server
How to properly start OC4J on a production server.
January 5, 2006
Databases, Java, Oracle, Oracle E-Business Suite, Oracle WebLogic Server, Web HTML5 CSS3
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The proper way to start OC4J is sparsely documented by Oracle: To start OC4J in a standalone environment, issue the following command from the j2ee/home/ directory: java -jar …
Apache MyFaces (open source JSF implementation) – Using the Tree2 Component with JDeveloper 10.1.3
In the wake of my last post – Getting started with Java Server Faces (JSF) using Apache MyFaces – in JDeveloper 10.1.3EA – I will continue my explorations of …
Oracle Developer days in the BeNeLux – support for Wilfred’s action
I just read Wilfred’s appeal to anyone interested in (free) Oracle Developer Days in The Netherlands on his OraTransplant Weblog: Free Oracle Java Technology Days in the Benelux. How …
Getting started with Java Server Faces (JSF) using Apache MyFaces – in JDeveloper 10.1.3EA
Seen so much, heard so much, read so much: time to actually do a little with Apache MyFaces. I am using the blog article by Jonas Jacobi as my …
EJB 3.0 Persistence – using the @Version annotation for Optimistic Locking – in the GlassFish Reference Implementation
One of the annotations available to us when specifying the EJB 3.0 Persistence metadata for our Entities is the @Version annotation. The specification states: “The Version annotation specifies the …
EJB 3.0 Persistence – ManyToMany relations or the objectification of the intersection table
I have done a fair bit of Entity Relationship Modeling. It’s one of the things I probably like most about my job. And one of the things in ERD …
Diving deeper into EJB 3.0 Persistence with GlassFish (RI) – still out of container
In an earlier post, we embarked on a tour of EJB 3.0 Persistence for J2SE (stand alone out-of-container) applications: Getting Started with EJB 3.0 Persistence out-of-container using the Reference …
Using GlassFish Reference Implementation of EJB 3.0 Persistence with JDeveloper 10.1.3EA
In a previous article –Getting Started with EJB 3.0 Persistence out-of-container using the Reference Implementation (GlassFish) – I have introduced GlassFish, the official Reference Implementation for EJB 3.0, and …
JavaPolis 2005: what's hot and what's not?
As a first recap of my five days at Javapolis, here are my thoughts on trends, past, present and future of the Java platform. Expect to see more in-depth …
JavaPolis 2005 – EJB 3.0
While EJB 3.0 persistence gains a lot of attention we should not forget that EJB is more than persistence but also contains session beans and messaging driven beans. Mike …
JavaPolis 2005 – SOA
Since SOA is hot, many presentations were devoted to differents aspects of services. The adoptation of services is growing rapidly. This requires standarization in the way we handle services …
JavaPolis 2005 – The Web Tier
Many frameworks offer support for developing web applications. Allmost all of them implement the MVC pattern. They can be divided into two groups: action based and component based frameworks. …
Oracle Java Technology rules the JavaPolis RAD Race – three winners, using JDeveloper; two also using ADF
We just received word about the results from the RAD race at JavaPolis 2005. 12 teams competed against each other, each bringing its favourite technology stack. It is a …
Selenium – Browser based Tool for Integration Testing of Web Applications (JavaPolis Quicky)
Selenium, a test-tool for Web Applications, was the subject of one of the quicky presentations (15 minutes max) on JavaPolis this week. It is described as: Selenium is a …
EJB 3.0 Reference Implementation with teeth – Open Source EJB 3.0 by Sun and Oracle (Report from JavaPolis)
There are some major waves in J(2)EE territory captivating much of the focus of the audience at this year’s JavaPolis – and beyond. One undoubtedly is Java Server Faces. …
JavaPolis 2005 – Here we come!
Next week, we are off to Antwerp. A crew of seven AMIS Java/J2EE developers will visit JavaPolis, the largest Java/J2EE conference on this side of the Atlantic. I will …
Improve your Web Forms deployment using the Java JDAPI library
Did you (or one of your customers) ever encounter ORA-00942 (table or view does not exist) while working in a (Web) form? No, then you can skip this post. …
JHeadstart – Querying a Master for its Details – for example: search Departments with at least one Clerk
JHeadstart can generate a number of powerful search facilities, such as the Quick Search widget and Advanced Search area. It supports several different serach operators such as contains, like, …
JHeadstart 10.1.2.2 Release (a very short while ago)
December 2, 2005
Java, Oracle, Oracle Application Development Framework, Oracle WebLogic Server, Tools
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As of now, JHeadstart 10.1.2.2 is available from http://cso.oracle.com – for organisations who have the JHeadstart Supplement Option. I have recently been making fixes and extensions to JHeadstart Application …
Newsflash on JHeadstart – 10.1.3 in March 2006, 10.1.2.2 next week
Triggered by Steve Muench’s weblog, I stumbled across a recent posting by the JHeadstart Team on their current and future activity: The Future of JHeadstart. The big news of …
Implementing Data Validation in ADF UIX application
Validation of business rules, of data oriented business logic, is one of my favorite recurring challenges. Around these rules, there are always interesting discussions about how and especially where …
Extend the JHeadstart 10.1.2.1 Application Generator to generate optional attribute as required in the client
This article serves two purposes: it extends the JHeadstart Application Generator to set UIX items to "required" based on a new custom Mandatory property – instead of driven from …
Issue LOV JHeadstart 10.1.2.0
JHeadstart version: 10.1.2.0 (build 19) and probably 10.1.2.1 ADF UIX version: 2.2.16 JDeveloper version: 10.1.2.17.84 Description After launching a LOV and selecting a value from it, the lookup values …
Jdbc, Clobs and Strings
Clob handling in jdbc can be a tedious job, especially because it required the use of Oracle specific extensions. With the 10g release this has been simplified and Clobs …
Book Review: Pragmatic Unit Testing
September 20, 2005
Book reviews and Publications, IT, Java, Oracle, Oracle WebLogic Server
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Title: Pragmatic Unit Testing Authors: Andrew Hunt, David Thomas ISBN: 0-9745140-2-0 pages: 150 This book gives a good introduction into the different aspects of unit testing. It’s easy readible …
AJAX Tag Library – Open Source project for easy use of AJAX mechanisms from JSPs
I just googled across this open source project. It is relatively simple, but can be quite useful. Its demos are at any rate useful, if only for the JavaScript …
Enhancing PHP-based WordPress Weblog with AJAX driven enrichments
Over the past period I have written several articles on AJAX – the Asynchronous JavaScript and XML mechanism for dynamically updating a web-page based on background communication with the …
Increasing speed of making data available in the web-page – on AJAX, controlling data caching and JavaScript Libraries
The problem I am dealing with: downloading all data that is potentially to be displayed in the client – for example in SELECT LISTS – takes too long to …
An Introduction To Ajax – great article on dev2dev
I just came across an article that very clearly introduces AJAX: An Introduction To Ajax Recently I did an internal presentation Enhancing Web Applications with AJAX, XMLHttpRequest, UIX – …
AMIS Query – donderdag 29 september 2005 – Java Server Faces en ADF Faces, van vergezicht tot standaard View technologie
(this event on JSF and ADF Faces will take place in Nieuwegein, The Netherlands and will be Dutch-spoken. Hence this announcement in Dutch) AMIS Query: Java Server Faces, van …
Standard for Database Development – Getting rid of USER from PL/SQL and SQL – no longer is USER equivalent to End User
Many applications built in the Client/Server era made use of the fact that every end user had his or her own Database User Account and every Database Connection and …
Introducing Spring Framework – Overview presentation and demonstration for Oracle Consulting
Last week, I had the opportunity to present on the Spring Framework for the Oracle Consulting Java Professional Community at Oracle The Netherlands. Having worked at Oracle for over …
Spring and Oracle ADF – registering a POJO Spring JDBC based Business Service as Data Control
In several previous posts, I have wondered about the potential for combining the ADF Binding Framework and the IDE capabilities around ADF in Oracle 10g JDeveloper with the Spring …
JHeadstart Sighting: Steve Muench's Column in Oracle Magazine – Frameworks: Creating Search Pages
Swinging in the sun, enjoying one of this Summer’s last great days perhaps, I was reading the September/October issue of Oracle Magazine. One the interesting pieces this issue was …
Role of the Database in a J2EE Architecture – Dumb Data Store? Only Data Tier? Also Business Tier?
The other day, we had a very interesting debate about the role of the database in (our) Java/J2EE projects and architectures. Should you limit the use of the database …
Introducing Spring JDBC – frequently the best introduction of Spring in an organization
Spring consists of a number of modules, such as the IoC Container, AOP, MVC, Persistence, DAO and Remoting. These modules are relatively losely coupled: some can be used without …
JUnit testing with EasyMock
Mockobjects are the classic solution to the even more classic problem of how to test code in isolation, when that code needs other objects to perform its tasks. The …
On Line Documentation for Oracle 10gAS 10.1.2 – including ADF Documentation
For the on-line documentation for release 10.1.2 of the Oracle Application Server, see http://download-uk.oracle.com/docs/cd/B14099_10/web.htm. It contains besides others links to documentation on the ADF (Application Development Framework), such as …
Building Custom JSF UI Components – Article Chris Schalk TheServerSide.com
Today I read this very interesting article by Chris Schalk – responsible for the Web application development features within Oracle JDeveloper- TheServerSide.com – Building Custom JSF UI Components. Chris …