Handle HTTP PATCH request with Java Servlet

Lucas Jellema

The Java Servlet specification does not include handling a PATCH request. That means that class  javax.servlet.http.HttpServlet does not have a doPatch() method, unlike doGet, doPost, doPut etc. That does not mean that a Java Servlet can not handle PATCH requests. It is quite simple to make it do that. The […]

JSON manipulation in Java 9 JShell

Lucas Jellema 1

In this article I will demonstrate how we can work with JSON based data – for analysis, exploration, cleansing and processing – in JShell, much like we do in Python. I work with a JSON document with entries for all sessions at the Oracle OpenWorld 2017 conference (https://raw.githubusercontent.com/lucasjellema/scrape-oow17/master/oow2017-sessions-catalog.json) The Java […]

Gebruik van de “Standaard Zaak-en Documentservices 1.1” van Kwaliteitsinstituut Nederlandse Gemeenten (KING), almede MTOM/XOP t.b.v. een koppeling tussen diverse applicaties (gerealiseerd binnen OSB 11g) aangaande het proces van vergunningverlening voor een organisatie in de publieke sector

Marc Lameriks 1

Voor een organisatie in de publieke sector werd aan AMIS gevraagd om met behulp van Oracle Service BUS 11g, een koppeling te realiseren tussen diverse applicaties aangaande het proces van vergunningverlening, zodat de daarbij benodigde gegevens eenvoudiger geautomatiseerd verwerkt konden worden. Belangrijke randvoorwaarden uit het Solution Design waren: het hanteren […]

Reflections after Oracle OpenWorld 2015 – PaaS Foundation (WebLogic, Coherence, JCS and Application Container Cloud Service)

Lucas Jellema

The foundation for most of the Oracle Public Cloud Platform services is the Java Cloud Service (JCS) that itself is powered by WebLogic Server. The same WebLogic that Oracle customers use as underpinning for their middleware platforms and business applications, either on traditional infrastructure, on the Exalogic engineered system or […]

Resources for JavaOne 2015 session: Java Developer Intro to Environment Management with Vagrant, Puppet, and Docker (BOF2817)

Lucas Jellema

During JavaOne 2015, I present[ed] a Birds of Feather session (BOF 2817) on Docker for Java Developers – in combination with Vagrant and Puppet (and leveraging Virtual Box) (Monday 26th October, 9 PM, Parc 55—Embarcadero). This article provides the supporting resources for this session. These include: the slides of the […]

Generate Docker Containerized Run Time and Design Time for Oracle StreamExplorer, Event Processor and JDeveloper using Vagrant, Puppet and VirtualBox

Lucas Jellema

The objective of this article: prepare an environment for experimenting with Oracle StreamExplorer using two Docker containers inside a Linux VM running on my Windows laptop. And with the smallest number of manual steps possible – as to make the environment provisioning process highly repeatable. In recent weeks, I have […]