Enabling parallel unit tests is the easiest way to accelerate your Apache Maven builds. This blog post is part of a series from the joint talk of Maarten Mulders and me: Accelerating Maven Builds: From 🐌 Snail’s Pace to 🚀 Rocket Speed.
Today I held my first talk in front of a bigger audience than my local JUG (JUG Hannover). I am incredibly happy that Java Champion Maarten Mulders had me as his co-speaker at JCON 2024! ☺️
Recently, I came across deprecation warnings in the GMavenPlus-Maven-Plugin (gplus-maven-plugin). Here’s how I solved it by putting a Java 8-bytecode file (class file version 52.0) into META-INF/versions/java21, which is better known as a Multi-Release JAR.
if/else statements are one of the most used statements of almost every programming language. Whenever you create new source files, a few methods you write will always contain an if-else statement at some point. I tend to refactor these statements out, so that I have almost no else statement in my code.
Some web applications will want to react to their user‘s browser language. Here is a short guide on how to do this using a standard JakartaEE restfulWS-based app on Open Liberty.
Thread.sleep() in Java In case you use Thread.sleep() in either your Java code or your unit tests, an article by Marcio Endo has you covered. However, I think two alternatives are really worth mentioning.
Thread.sleep() in Java Falls Du Thread.sleep() entweder in Deinem Java-Code or Unit-Test verewndest, gibt ein Artikel von Marcio Endo wertvolle Tipps. Allerdings denke ich, dass es zwei sinnvolle Alternativen zu seinen Vorschlägen gibt.
@JsonbConstructor bug: Property Naming Strategy not applied A long-standig bug in JakartaEE’s JSON-B implementations (JSON Binding) cause me some headaches. Luckily, I was able to track it down. Here is how to reproduce it and why you might hit it sooner rather than later.
In my GnuPG article about how to attend a PGP signing party I explained how to set up caff using SMTP (Simple Mail Transfer Protocol). However, using a local Mail Transfer Agent (MTA) is the more elegant solution as SMTP is not a properly supported option and discuraged, according to the caff man page or when setting $CONFIG{'mailer-send'} to any value:
In case you ever developed a Jakarta Web application, you might wonder how to test JAX-RS applications. Luckily, while not perfectly documented, testing a JAX-RS application can be done in a few ways. This article covers system tests, which are somewhere between unit tests and integration tests.
