Category: Java
The challenge is a common one. We have got data in a domain model, based on POJOs. And we need to marshall that data into an XML document. Note …
The other day on one of the projects I am involved with, we ran into an unexpected exception, from an innocent looking EL expression: javax.el.PropertyNotFoundException: … value=”Book #{book.title}”: Missing …
I have always had a fascination for the Data Visualization capabilities of all the tools and technologies I have worked with. For example: I worked with Oracle Graphics 2.0, …
It is just a little feature addition – this ‘Test WebService’ button in the WSDL Editor in JDeveloper 11g Release 2 that was released last week. But it can …
This article demonstrates how, through a bit of JavaScript interacting with the HTML 5 Navigator API, some more JavaScript using the ADF Faces Rich Components API and the ADF …
This article illustrates the use of a custom ELVariableResolver in JavaServer Faces applications. In this example, we extend the basic functionality of JSF EL resolution with the ability to …
The Spring Framework is omnipresent in the world of Java applications. Many developers, teams and organizations make use of Spring for various reasons, such as its persistency support, the …
Two small new features caught my eye while scanning the 11gR2 new features list for ADF DVT. One applies to the Carousel, the other to the Hierachy Viewer. They …
In our current webservice project with JAX-WS in JDeveloper 11.1.1.3 we have a challenge with calling a webservice. This webservice from a remote organisation does not accept specific SOAP …
Robbrecht van Amerongen
April 21, 2011
AMIS, Announce / Events, Architecture, Development Tools, IT, Java, Mobile, Oracle, Oracle Application Development Framework, Software Engineering, Web/Java, XML
Als bezoeker van deze blog ben je bezig met het maken van mooie oplossingen en nieuwe uitdagingen op technisch gebied. AMIS nodigt je uit om ons team te komen …
This step-by-step starter hands-on provides an example how to make a JAX-WS webservice proxy in JDeveloper, and save retrieved data from this webservice in a batch-job to your own …
The other day I received the following email: thanks for your ADF articles. I will need an urgent technical help. It would be highly appreciated if you help me. …
For a couple of months I have been discovering the Android platform. As an original Oracle developer I was wondering how an Android app can be connected to an …
Een upgrade naar de nieuwste versie van de Oracle Database vindt zelden plaats op initiatief van het applicatie-ontwikkelteam. Upgrades worden meestal gedaan in verband met support-regelingen, op verzoek van …
There are several tools on the market for performance management. There is  for instance JConsole, the Enterprise Manager ( GridControl) but another nice tool to see how your JVM …
In my investigations into the role the Oracle RDBMS can play in application architectures and especially how Java applications can leverage the database, I have ventured into some strange …
This article demonstrates how Java application can query data from relational databases (well, in this case more specifically the Oracle RDBMS) without the use of plain old JDBC but …
The Patch Set 3 release of Oracle Fusion Middleware hit the streets a few days back. For many of the FMW components, this release is one that fixes bugs, …
Logging is a very important aspect of application development as it offers run-time access to the behaviour and data of the application. It’s important for debugging purposes but also …
Oracle Coherence is an in memory Data Grid framework, data replication and distributed services.In fact Coherence is a sort of  data store. To test or debug data access code …
When thinking of development, one easily think of developing functionality for applications, business functionality and end-users. But how about developing for administrators? Normally a product like Oracle Application Server …
The article “Quickly creating, deploying and testing a WebService interface for ADF Business Components” (https://technology.amis.nl/blog/9726/quickly-creating-reploying-and-testing-a-webservice-interface-for-adf-business-components) that I recently published describes a way of very rapidly creating the HRService Web …
As you probably already know, ADF Business Components can very easily be exposed through a WebService interface. An Application Module can be configured with a Service Interface, ordinary ViewObjects …
Usually in SQL queries, you will try to retrieve information from a database by reading specific records from the relevant tables. However, there are situations where what you want …
Really getting the most out of your database. That would be nice, given wat databases can do (and what you may have paid for them). Few serious Java Applications …
This article accompanies the similarly named article in the Dutch Java Magazine. It provides additional resources, some source code and an invitation to the 4 February Masterclass by Lucas …
A few moments ago, Ted Farrell completed his demonstration of ADF 11g – the premier framework for developing rich, multi-channel applications. In 30 minutes he ran the audience through …
Complex Event Processors are capable of handling large volumes of events – by filtering, aggregating or detecting patterns. Java Applications use a CEP to pre-process incoming signals. These applications …
Xenogenetics for PL/SQL: Infusing with Java Best Practices and Design Patterns – Alex Nuijten and Lucas Jellema PL/SQL is a venerable programming language that is both vital and very …
JavaOne started this morning with the first many dozens sessions and the Java Pavilion & Exhibition hall. The official kick off so to speak took place tonight, with Thomas …
Many organizations around the world have adopted Oracle technology for developing custom applications. Over the past two decades, they may have used PL/SQL, Reports, Forms, Designer, Portal or the …
Larry Ellison: We set out to deliver the next generation of business applications. Our task: Take all of the best features from Oracle’s major application products – including E …
The first major keynote of this year’s Oracle Open World conference was last night – Larry Ellison announcing the Oracle Exalogic machine, the “cloud in a box”. A high …
Introduction All Java developers know, or should know, that the Spring framework contains a lot of gems. Recently I discovered a new gem: an easy way to send an …
San Francisco on the eve of JavaOne 2010. Various preparations are underway in the city. Posters and banners, even on the sidewalks, mark the largest Java show on the …
In preparation for our Oracle Open World session ‘Xenogenetics for PL/SQ – Infusing with Java Best Practices and Design Patterns’ – I have been doing a little work on …
The sun is setting in Redwood Shores. The sky is red; the Oracle HQ towers are silhouetted against this dramatic red backdrop. Red, the color San Francisco is about …
It is a very early morning in Redwood City. I am currently in a hotel with a great view on the imposing towers of Oracle’s Head Quarters (although it …
De system directory is where JDeveloper stores the user specific settings, configurations and also (for 11g) the default domain of the embedded weblogic server. It uses the JDEV_USER_HOME environment …
Although JDeveloper provides loads of libraries out-of-the-box, you often need other libraries in your application. You can easily add these libraries via the project properties. This provides two options: …