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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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Unable to Find @SpringBootConfiguration with @DataJpaTest 1. Introduction In our tutorial on testing in Spring Boot, we saw how we can use the @DataJpaTest annotation. In this next tutorial, we’ll see how to resolve the error “Unable to find a @SpringBootConfiguration“. 2. Causes The @DataJpaTest annotation helps us to set up… Continue Reading spring-boot-unable-to-find-springbootconfiguration-with-datajpatest
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Building a Web Application with Spring Boot and Angular 1. Overview Spring Boot and Angular form a powerful tandem that works great for developing web applications with a minimal footprint. In this tutorial, we’ll use Spring Boot for implementing a RESTful backend, and Angular for creating a JavaScript-based frontend. Further… Continue Reading spring-boot-angular-web
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Spring Boot Consuming and Producing JSON 1. Overview In this tutorial, we’ll show how to build a REST service to consume and produce JSON content with Spring Boot. We’ll also take a look at how we can easily employ RESTful HTTP semantics. For simplicity, we won’t include a persistence layer,… Continue Reading spring-boot-json
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Resolving “Failed to Configure a DataSource” Error 1. Overview In this short tutorial, we’ll discuss what causes and what resolves the “Failed to configure a DataSource” error on a Spring Boot project. We’ll resolve the issue using two different approaches: Defining the data source Disabling the auto-configuration of the data… Continue Reading spring-boot-failed-to-configure-data-source
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Spring Boot Support for jOOQ 1. Overview This tutorial is a follow-up to the Introduction to jOOQ with Spring article, covering the ways that jOOQ can be used within a Spring Boot application. If you have not gone through that tutorial, please take a look at it and follow the… Continue Reading spring-boot-support-for-jooq
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Twelve-Factor Methodology in a Spring Boot Microservice 1. Overview In this tutorial, we’ll understand the twelve-factor app methodology. We’ll also understand how to develop a microservice with the help of Spring Boot. In the process, we’ll see how to apply the twelve-factor methodology for developing such a microservice. 2. What… Continue Reading spring-boot-12-factor
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Introduction to Flowable 1. Overview Flowable is a business process engine written in Java. In this tutorial, we’ll go through the details of business processes and understand how we can leverage the Flowable Java API to create and deploy a sample business process. 2. Understanding Business Processes Simply put, a… Continue Reading flowable
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Command-Line Arguments in Spring Boot 1. Overview In this quick tutorial, we’ll discuss how to pass command-line arguments to a Spring Boot application. We can use command-line arguments to configure our application, override application properties or pass custom arguments. 2. Maven Command-Line Arguments First, let’s see how we can pass… Continue Reading spring-boot-command-line-arguments
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