Home » Apache
ActiveMQ HTTP transport connector load balanced with HAProxy
If you are using ActiveMQ, you probably use the default tcp transport connector configured in the conf/activemq.xml: ActiveMQ also provides other transport connectors for some particular protocols (amqp, mqtt, stomp) or particular transports. Especially, it supports a very…
Read More »Apache Karaf dynamic and static approach, docker and kubernetes
Most of the Karaf users know the Apache Karaf “standard” distribution. Apache Karaf dynamic approach (“standard” distribution) You can download Apache Karaf “standard” or “minimal” distributions, you download a “dynamic” distribution. By “dynamic”, it means that you start…
Read More »Improvements on the Apache Karaf scheduler
Apache Karaf has a scheduler, allowing you to periodically execute actions. It’s powered by Quartz and provide several convenient features. You can easily install the scheduler with the scheduler feature: Once you have installed the scheduler, you have…
Read More »Apache Karaf on Azure cloud
In previous post, I showed the “new” Docker tooling (http://blog.nanthrax.net/?p=839). In this blog post, we will use a Karaf Docker image on Azure cloud. Creating our Karaf Docker image For this post, we will start from a Karaf…
Read More »Apache Karaf & Docker
Apache Karaf 4.2.1 has been released two weeks ago. It’s a major upgrade on the Karaf 4.2.x series, bringing lot of fixes, improvements and new features. Especially: Better support of Java 9, 10 & 11 Sets of examples…
Read More »New Karaf HTTP proxy feature
Apache Karaf 4.2.0 is now on vote, bringing a lot of improvements and new features. One of these new features is the HTTP proxy. The idea of the Karaf HTTP proxy feature is to be able to “expose”…
Read More »Building Angular WebBundle for Apache Karaf
Apache Karaf is a complete applications container, supporting several programming models: OSGi, DS, Blueprint, Spring, … It’s also a complete web application container like Apache Tomcat, but providing some unique feature. If Apache Karaf supports WAR, it also…
Read More »Implement simple persistent redelivery with backoff mixing Apache Camel & ActiveMQ
When you use Apache Camel routes for your integration, when a failure occurs, a classic pattern is to retry the message. That’s especially true for the recoverable errors: for instance, if you have a network outage, you can…
Read More »Apache Beam: easily implement backoff policy in your DoFn
In Apache Beam, DoFn is your swiss knife: when you don’t have an existing PTransform or CompositeTransform provided by the SDK, you can create your own function. DoFn ? A DoFn applies your logic in each element in…
Read More »Apache Beam in action: same code, several execution engines
If the previous article was an introduction to Apache Beam, it’s now time to see some of the key provided features. It’s the perfect timing as Apache Beam 0.2.0-incubating has just been released. This articles will show a…
Read More »