Spring Boot tutorials
admin Spring Boot 3.2 and Spring Framework 6.1 introduce a new feature called RestClient, which is a fresh synchronous way to … Read more
This tutorial will teach you how to execute a Java Class when starting a Spring Boot application by using the CommandLineRunner interface. This interface will run specific code after the Spring application context is fully started but before the application starts receiving requests..
In Spring Boot, ApplicationReadyEvent is an event triggered when the application is up and ready to receive requests. You can use this event to execute specific code or perform tasks right after the application has fully started.
In this article we will learn how to use Virtual Threads which is an exciting new feature that you can use to simplify the creation of reactive applications in Java. We will show a step-by-step guide to run a simple Web application with Spring Boot and Virtual Threads.
In this article we will learn how to run Apache Kafka as Docker image using Docker Compose, which allows to manage multiple Container Images. Firstly, we will show how to run Kafka with Zookeeper and Docker. Then, we will show how to run Apache Kafka KRaft with Docker.
Kubernetes has become the de facto standard for container orchestration, allowing you to efficiently manage and scale containerized applications. Helm, on the other hand, is a powerful tool for simplifying the deployment of Kubernetes applications using packages called charts. In this article, we’ll walk through the process of deploying a Spring Boot application on an Enterprise Kubernetes such as OpenShift using Helm charts.
When running Spring Boot tests using annotations like @SpringBootTest or @DataJpaTest, Spring Boot needs to find the main configuration class (annotated with @SpringBootApplication or @Configuration) to set up the application context properly. If Spring Boot cannot find the configuration class, it throws the error “Unable to find a @SpringBootConfiguration,” and the tests fail to execute.
The Spring JdbcClient API is a new addition to Spring 6, providing a more modern and streamlined way to interact with databases using Spring JDBC. It aims to simplify database operations by offering a fluent API for executing SQL queries and updates.
If you want to run your Spring Framework 6 applications (or Spring Boot 3) on the top of a Jakarta EE container there are some requirements you need to comply with. This article discusses them in detail.
This tutorial will teach you how to run Apache Kafka in KRaft mode which does not require a Zookeeper server to manage the cluster capablities. We will learn at first how does the Kafka KRaft mode work and then we will learn how to create a cluster without using Zookeeper.
