Node.js application using SSE (Server Sent Events) to push updates (read from Kafka Topic) to simple HTML client application

Lucas Jellema 2

This article describes a simple Node.js application that uses Server Sent Events (SSE) technology to push updates to a simple HTML client, served through the Express framework. The updates originate from messages consumed from a Kafka Topic. Although the approach outlined in this article stands on its own, and does […]

AMIS Whitepaper User Experience Frameworks “Future of optimal UI development”

“ There’s A Lot More Behind This Pretty Face “ The whitepaper “User Experience Frameworks – Future of optimal UI development -” starts with an overview of user experience guidelines. These guidelines translate to additional UX requirements when designing and building a new user interface on modern systems. We will also […]

ADF Performance Monitor: Detecting and Analyzing a High ADF BC Memory Consumption

Frank Houweling 2

Like other web applications, Oracle ADF applications potentially use a lot of JVM memory. Many times, the root cause of a high memory usage is that application data retrieved from the database into memory is not properly limited; hundreds or thousands of rows (with too many attributes) are fetched and […]

ADF Performance Tuning: Improve Your Oracle ADF App Response Time by as Much as 70 Percent

Frank Houweling

Performance needs to be ingrained in your application – it cannot be added in during the last stages of development. In this video I discuss how you can optimize the performance of your Oracle ADF Fusion application, diagnose and solve typical performance problems, and build an efficient, responsive, scalable ADF […]

The Latest in User Experience at the Oracle UX Expo – March 18th at AMIS, Nieuwegein, The Netherlands

Lucas Jellema

Oracle wants to lead in User Experience. Plain and simple. To that end, it has established the Applications User Experience team (back in 2007) – a relatively independent team within Oracle that explores all kinds of UX options, conceptual and technology wise, and translates them into guidelines, templates, buildings blocks […]

JavaOne 2013: Java Mission Control

Frank Houweling 1

The convergence project between Oracle’s JVMs JRockit and Hotspot is making significant progress. Included in the latest Java 7 JDK update (‘7u40’) is a new powerful monitor tool: Java Mission Control (JMC). JMC is a production time tool that has its roots in the JRockit JVM tooling. It is located in the […]

Oracle OpenWorld & JavaOne Review bijeenkomst – 10 oktober

Saskia van der Maat

Op 22 september begint in San Francisco de Oracle OpenWorld: hét internationale evenement waar Oracle haar productstrategie presenteert en Oracle-specialisten ervaringen uitwisselen. Naast Oracle OpenWorld wordt ook de JavaOne georganiseerd, internationaal trefpunt voor de Java-community. AMIS heeft de traditie om uitgebreid verslag te doen van beide conferenties. Dat doen we […]

Automatic deployment .ear file to Oracle Application Server 10.1.3 (OAS) with Ant tasks

Betty van Dongen

In this post I would like to share an example how to deploy an .ear file with an Ant script to the Oracle Application Server 10.1.3 (OAS). Automatic deployment can help improve the release process. First of all because manual deployment usually costs time of the developers. Especially the lead […]

Kom kennismaken met AMIS en doe mee met uitdagende projecten

Hierbij nodigen we je uit om met ons kennis te komen maken. Ben jij een (junior) Oracle consultant die een stap verder wil maken? Wil je verder groeien en ontwikkelen tot principal consultant? AMIS geeft je de kans om die stap te zetten.  Bij ons krijg je de ruimte om […]

JavaOne 2012: Thinking Through Java Enterprise Performance (BOF 4712)

Lucas Jellema

Performance of Enterprise Java Applications is a requirement and usually a challenge. Business requirements on systems can be stiff, successful systems can easily be overloaded and complex application architectures can add a burden too. Improving performance by tuning the application after it has been built seldomly renders huge improvements. By […]

Uitnodiging: Kom kennismaken met AMIS

Robbrecht van Amerongen

Hierbij nodigen we je uit om met ons kennis te komen maken. Ben jij een (junior) Oracle consultant die een stap verder wil maken? Wil je verder groeien en ontwikkelen tot principal consultant? AMIS geeft je de kans om die stap te zetten.  Bij ons krijg je de ruimte om […]

Oracle RDBMS 10GR1: solution to avoid character encoding in XML with UPDATEXML

Betty van Dongen

On a recent project, I ran into a problem with an XML document, that had to be enclosed within another XML document, generated from a database query. The problem I ran into was the character encoding of the XMLElement function, which eventually was worked around with UPDATEXML. In this blog […]

Dinsdag 18 september: Oracle Open World & JavaOne 2012 Preview mini-conferenties – 12 presentaties op 1 avond

Lucas Jellema

Van 30 september tot 5 oktober is San Francisco weer het domein van tegen de 45.000 deelnemers aan de Oracle Open World en JavaOne conferenties. Ruim 2000 presentaties worden daar gehouden, in vele tientallen zalen in hotels en het Moscone Conferentie Center in downtown San Francisco, waaronder pakweg 20 door […]

Supporting multiple languages in ADF applications backed by resource bundles – and programmatically controlling the JSF locale

Lucas Jellema 1

Any web application contains boiler plate text: text that is not part of the enterprise data from web services or databases that is manipulated by the end users using the application but that is part of the application definition itself. Text that is shown as prompt, title, message, hint text […]

Create simple Java application to post JSON message to CometD Bayeux Channel using Apache HttpClient and Maven style NetBeans project

Lucas Jellema

The objective discussed in this article is to post messages to a CometD Bayeux Channel with a standalone Java Class – without dependencies on CometD. For example to control from Java the Slideshow introduced in the synchronized Slideshow demo application created using CometD (see previous articles Push based synchronized Slideshow […]

Publishing to CometD Bayeux Channel from inside the Oracle Database – PL/SQL based push to CometD Web Client

Lucas Jellema 1

In recent articles, I have introduced CometD as framework for Server to Client and Client to Client Push: Running CometD 2 examples – locally on Tomcat using Maven and NetBeans https://technology.amis.nl/blog/14709/running-cometd-2-examples-locally-on-tomcat-using-maven-and-netbeans, CometD 2 Java Client Sample – open project in NetBeans based on Maven pom file, modify sources and run […]