Kafka is not dead, it’s just in a different packaging
‘Kafka is dead’ is a statement that is circulating more and more often. Critics point to a lack of innovation, the complexity of the product and the emergence of …
Category: SOA
Java: How to validate JSON against an AVRO schema
AVRO schema are often used to serialize JSON data into a compact binary format in order to for example transport it efficiently over Kafka. When you want to validate …
Generate random JSON data from an AVRO schema using Java
Recently I was designing an AVRO schema and wanted to test how data would look like which conformed to this schema. I developed some Java code to generate sample …
Apache Kafka, setting up a demo environment using Vagrant and Oracle VirtualBox (part 2)
I wanted to set up a demo environment with Apache Kafka (an open-source distributed event streaming platform) and an Oracle Database, all within containers. For my purpose I opted …
Apache Kafka, setting up a demo environment using Vagrant and Oracle VirtualBox (part 1)
I wanted to set up a demo environment with Apache Kafka (an open-source distributed event streaming platform) and an Oracle Database, all within containers. For my purpose I opted …
A quick and easy Apache NiFi development environment
Vagrant can be used to quickly create development environments in for example VirtualBox, VMWare or Hyper-V. I decided to use Vagrant to create a quick Apache NiFi development environment. …
A Free Apache Kafka Cloud Service – and how to quickly get started with it
Last week I presented on Apache Kafka – twice. Once to a group of over 100 students, once to 30+ colleagues. In both instances, I invited attendees to partake …
Filesystem events to Elasticsearch / Kibana through Kafka Connect / Kafka
Filesystem events are useful to monitor. They can indicate a security breach. They can also help understanding how a complex system works by looking at the files it reads …
Securing Oracle Service Bus REST services with OAuth2 client credentials flow (without using additional products)
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 …
Running Kafka, KSQL and the Confluent Open Source Platform 4.x using Docker Compose on a Windows machine
For conducting some experiments and preparing several demonstrations I needed a locally running Kafka Cluster (of a recent release) in combination with a KSQL server instance. Additional components from …
Simple CQRS – Tweets to Apache Kafka to Elastic Search Index using a little Node code
Put simply – CQRS (Command Query Responsibility Segregation) is an architecture pattern that recognizes the fact that it may be wise to separate the database that processes data manipulations …
SOA Suite 12c in Docker containers. Only a couple of commands, no installers, no third party scripts
For developers, installing a full blown local SOA Suite environment has never been a favorite (except for a select few). It is time consuming and requires you to download …
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 …
15 Minutes to get a Kafka Cluster running on Kubernetes – and start producing and consuming from a Node application
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 …
How to install the Oracle Integration Cloud on premises connectivity agent (18.1.3)
Recapitulation on how to install the Oracle Integration Cloud on premises connectivity agent Recently (april 2018) I gained access to the new Oracle Integration Cloud (OIC), version 18.1.3.180112.1616-762, and …
Automate calls to SOAP and REST webservices using simple Python scripts
Probably not many people will tell you running batches over webservices is a good idea. Sometimes though, it can be handy to have a script available to generate webservice …
Recording, slides and code resources for Oracle Code session: Real Time UI with Apache Kafka Streaming Analytics of Fast Data and Server Push
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 …
Oracle SOA Suite and WebLogic: Overview of key and keystore configuration
Keystores and the keys within can be used for security on the transport layer and application layer in Oracle SOA Suite and WebLogic Server. Keystores hold private keys (identity) …
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 …
Oracle SOA Suite: Two-way SSL with TLS1.2 made easy (slightly less complicated)
Transport layer security (TLS) is not an easy topic. Many blogs have been written about this already. Surprisingly though, I did not find a single blog which was more …
Development and Runtime Experiences with a Canonical Data Model Part I: Standards & Guidelines
Introduction In my previous blog I’ve explained what a Canonical Data Model (CDM) is and why you should use it. This blog is about how to do this. I …
Development and Runtime Experiences with a Canonical Data Model Part II: XML Namespace Standards
This blog is about XML namespace standards. Primary for using them in a Canonical Data Model (CDM), but also interesting for anyone who has to define XML data by …
Development and Runtime Experiences with a Canonical Data Model Part III: Dependency Management & Interface Tailoring
Introduction This blogpost is part III, the last part of a trilogy on how to create and use a Canonical Data Model (CDM). The first blogpost contains part I …
Oracle SOA Suite: Find that composite instance!
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 …
Oracle Public Cloud – Invoking ICS endpoints from SOA CS – configure SSL certificate and basic authentication
As part of the Soaring through the Clouds demo of 17 Oracle Public Cloud services, I had to integrate SOA CS with both ACCS (Application Container Cloud) and ICS …
Oracle Service Bus : Service Exploring via WebLogic Server MBeans with JMX
At a public sector organization in the Netherlands there was the need to make an inventory of the deployed OSB services in order to find out, the dependencies with …
Oracle Service Bus : disable / enable a proxy service via WebLogic Server MBeans with JMX
At a public sector organization in the Netherlands an OSB proxy service was (via JMS) reading messages from a WebLogic queue. These messages where then send to a back-end …
Kafka Streams and NodeJS – Consuming and periodically reporting in Node.JS on the results from a Kafka Streams streaming analytics application
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 …
Oracle Service Bus: Produce messages to a Kafka topic
Oracle Service Bus is a powerful tool to provide features like transformation, throttling, virtualization of messages coming from different sources. There is a (recently opensourced!) Kafka transport available for …
Oracle Service Bus: Pipeline alerts in Splunk using SNMP traps
Oracle Service Bus provides a reporting activity called Alert. The OSB pipeline alerts use a persistent store. This store is file based. Changing the persistent store to JDBC based, …
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
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 …
Beats and Fusion Middleware
This is the 6th blog in a series on the Elastic product stack. This blog will cover how Beats fits into the mix with Logstash, Kibana and Elasticsearch. The …
Logstash and Fusion Middleware
This is the 5th blog in a series on the Elastic product stack. This blog will cover how Logstash can pick up Fusion Middleware log files and put the …
Kibana for ACM dashboards
This is the 4th blog in a series on the Elastic product stack. This blog will cover the Kibana product. The series cover: 1. Elasticsearch and Oracle Middleware – …
Elasticsearch and Oracle ACM data
This blog is one of a series of 6 blogs around the combination of Elasticsearch (‘the ELK stack’) and Oracle Adaptive Case Management. The series cover: 1. Elasticsearch and …
Installation of Elasticsearch
This blog is one of a series of 6 blogs around the combination of Elasticsearch (‘the ELK stack’) and Oracle Adaptive Case Management. The series cover: 1. Elasticsearch and …
Elasticsearch and Oracle Middleware – is there an opportunity?
Introduction In a couple of blog articles I will described how to get started with Elasticsearch and Oracle Fusion Middleware. Elasticsearch is described on the elastic.co website as ‘Elasticsearch …
Oracle Service Bus: A quickstart for the Kafka transport
As mentioned on the following blog post by Lucas Jellema, Kafka is going to play a part in several Oracle products. For some usecases it might eventually even replace …
The Oracle Integration Platform Portfolio as per OOW 2016 – on premises and primarily in the cloud
One of the very first capabilities Oracle ever introduced in its PaaS portfolio was integration. It was clear from the onset of any talk about clouds that facilities to …
Cloud based Human Workflow and Business Process automation – PCS, BPM Suite on the Cloud, BPM Suite on Premises
On premises BPM Suite has been Oracle’s flagship product for business process automation for many years. Based on the industry standard of BPMN and tightly integrated with SOA Suite …