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Graceful Shutdown of a Spring Boot Application 1. Overview On shutdown, by default, Spring’s TaskExecutor simply interrupts all running tasks, but it may be nice to instead have it wait for all running tasks to be complete. This gives a chance for each task to take measures to ensure the… Continue Reading spring-boot-graceful-shutdown
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Self-Hosted Monitoring For Spring Boot Applications 1. Introduction One of the many great features of Spring Boot is the set of built-in actuators. These actuators provide an easy way to monitor and control just about every aspect of a Spring Boot application. In this tutorial, we’ll look at using the… Continue Reading spring-boot-self-hosted-monitoring
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Introduction to Cobertura 1. Overview In this article, we will demonstrate several aspects of generating code coverage reports using Cobertura. Simply put, Cobertura is a reporting tool that calculates test coverage for a codebase – the percentage of branches/lines accessed by unit tests in a Java project. 2. Maven Plugin… Continue Reading cobertura
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Introduction to SPF4J 1. Overview Performance testing is an activity often pushed towards the end stages of the software development cycle. We usually rely on Java profilers to help troubleshoot performance issues. In this tutorial, we’ll go through the Simple Performance Framework for Java (SPF4J). It provides us APIs that… Continue Reading spf4j
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How to install Maven on Windows, Linux, Mac 1. Overview Simply put, Maven is a command-line tool for building Java applications. The Maven project provides a simple ZIP file containing a precompiled version of Maven for your convenience. There is no installer. It’s up to you to set up your… Continue Reading install-maven-on-windows-linux-mac
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Introduction to Apache Tomcat 1. Overview Simply put, Apache Tomcat is a web server and servlet container that is used to deploy and serve Java web applications. In this quick article, we’re going to show how to install Tomcat, how to configure a user for the Tomcat Manager and create… Continue Reading tomcat
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Basic Introduction to JMX 1. Introduction The Java Management Extensions (JMX) framework was introduced in Java 1.5 and has found widespread acceptance in the Java developers community since its inception. It provides an easily configurable, scalable, reliable and more or less friendly infrastructure for managing Java application either locally or… Continue Reading java-management-extensions
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Guide to Resilience4j 1. Overview In this tutorial, we’ll talk about the Resilience4j library. The library helps with implementing resilient systems by managing fault tolerance for remote communications. The library is inspired by Hystrix but offers a much more convenient API and a number of other features like Rate Limiter (block too… Continue Reading resilience4j
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Importance of Main Manifest Attribute in a Self-Executing JAR DevOps Java 1. Overview Every executable Java class has to contain a main method. Simply put, this method is a starting point of an application. To run our main method from a self-executing JAR file, we have to create a proper… Continue Reading java-jar-executable-manifest-main-class
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Intro to Spinnaker 1. Overview In this tutorial, we’re going to look at Spinnaker, an open-source continuous delivery platform built by Netflix. We can use it to deploy our applications across multiple cloud providers. The system is built on top of Spring Boot and supports many cloud providers. We’ll see… Continue Reading spinnaker
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