Securing Oracle Service Bus REST services with OAuth2 client credentials flow (without using additional products)

Maarten Smeets 5

OAuth2 is a popular authentication framework. As a service provider it is thus common to provide support for OAuth2. How can you do this on a plain WebLogic Server / Service Bus without having to install additional products (and possibly have to pay for licenses)? If you just want to […]

Get going with KSQL on Kubernetes

This article describes how to quickly get going with KSQL on Kubernetes. KSQL is Confuent’s ‘continuous streaming query language’. It allows us to write SQL-like queries that operate on Kafka Topics. Queries that join, filter and aggregate – for each event that gets produced and over time windows. Results are […]

15 Minutes to get a Kafka Cluster running on Kubernetes – and start producing and consuming from a Node application

Lucas Jellema 20

For  workshop I will present on microservices and communication patterns I need attendees to have their own local Kafka Cluster. I have found a way to have them up and running in virtually no time at all. Thanks to the combination of: Kubernetes Minikube The Yolean/kubernetes-kafka GitHub Repo with Kubernetes […]

Recording, slides and code resources for Oracle Code session: Real Time UI with Apache Kafka Streaming Analytics of Fast Data and Server Push

Lucas Jellema

On YouTube, you will find the 44 min recording of my talk on Oracle Code San Francisco (October 2017):  https://www.youtube.com/watch?v=khP3yHmbtpM The slides are on SlideShare: Real Time UI with Apache Kafka Streaming Analytics of Fast Data and Server Push (OracleCode San Francisco 2017) from Lucas Jellema All code sources are […]

Oracle SOA Suite: Want performance? Don’t log so much and clean up your database!

The Oracle SOA Suite infrastructure, especially composites, use the database intensively. Not only are the process definitions stored in the database, also a lot of audit information gets written there. The SOA infrastructure database, if not well managed, will grow and will eventually have detrimental effects on performance. In this […]

Oracle SOA Suite: Find that composite instance!

Maarten Smeets

When executing BPM or BPEL processes, they are usually executed in the context of a specific entity. Sometimes you want to find instances involved with a specific entity. There are different ways to make this easy. You can for example use composite instance titles or sensors and set them to […]

Kafka Streams and NodeJS – Consuming and periodically reporting in Node.JS on the results from a Kafka Streams streaming analytics application

Lucas Jellema 4

In several previous articles on Apache Kafka, Kafka Streams and Node.JS for interacting with Apache Kafka, I have described how to create a Node.JS application that publishes messages to a Kafka Topic (based on entries in a CSV file), how to create a simple Kafka Streams Java application that processes […]

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 […]