IntelliJ IDEA on Linux Mint 18

By | January 21, 2017

Just a quickie for all you happy coders out there trying to use IntelliJ IDEA in Linux Mint and have run into problems: I’ve had the pleasure to switch from another operating system, which name I prefer not to say out loud, to Linux Mint on a computer that I use for coding. It has… Read More »

REST with Asynchronous Jersey and RXJava – Part 4

By | December 29, 2016

In this series of articles I will implement a RESTful web service using Spring Boot and Jersey. I will then modify the service as to use asynchronous server-side request response processing and RXJava. Load tests will be made using Gatling before and after the modifications, in order to determine any improvements. The first article in… Read More »

REST with Asynchronous Jersey and RXJava – Part 3

By | December 17, 2016

In this series of articles I will implement a RESTful web service using Spring Boot and Jersey. I will then modify the service as to use asynchronous server-side request processing and RXJava. Load-tests will be made using Gatling before and after the modifications, in order to determine any improvements. The first article in this series… Read More »

Jersey and Spring Boot Standalone JAR Files

By | December 6, 2016

Now ladies and gentlemen! It is time for a debugging break in the series of articles about the REST service! Actually, this article is related to the REST service – it will describe a problem with the classpath-scanning of Jersey that manifest itself in standalone Spring Boot applications with a so-called fat JAR. I will also… Read More »

REST with Asynchronous Jersey and RXJava – Part 2

By | November 25, 2016

In this series of articles I will implement a RESTful web service using Spring Boot and Jersey. I will then modify the service as to use asynchronous server-side request processing and RXJava. Load tests will be made using Gatling before and after the modifications, in order to determine any improvements. If you haven’t read part… Read More »

REST with Asynchronous Jersey and RXJava – Part 1

By | November 19, 2016

In this series of articles I will implement a RESTful web service using Spring Boot and Jersey. I will then modify the service as to use asynchronous server-side request processing and RXJava. Load-tests will be made using Gatling before and after the modifications, in order to determine any improvements.  Note: The example program in this… Read More »

Spring Application Events

By | September 20, 2016

In this post I will show how to use Spring events, which are events that can be published and listened to within a Spring application context running in one JVM. Background I was looking for a way to decouple different parts of an application I am working on. While I have read about event sourcing,… Read More »

Running Shell Commands on Multiple Computers

By | August 17, 2016

This post is mostly notes in my own notebook, in order for myself to remember something I have found useful. Given my virtual laboratory that I created in an earlier post, it soon becomes tedious to run the same commands over and over again on the different nodes in the virtual laboratory. So I started… Read More »

Embedded ActiveMQ with SSL

By | August 15, 2016

In this post I will show how to run an embedded instance of ActiveMQ that uses SSL for communication. In the process I will also show how to configure a JMS client to use SSL. The resulting project is available on GitHub. I have omitted the keystore and truststore in this article – if you… Read More »

Managing Containers – Shipyard

By | July 10, 2016

I am looking for something to help me manage multiple Docker hosts and the applications running on those hosts. Again, I will use my virtual laboratory, to start exploring the alternatives. In this first article I will look at Shipyard, which is an open-source application for managing a Docker cluster. Wishlist Before looking at anything I think… Read More »