Spring

Clean Shutdown of Spring Boot Applications

Article discusses and presents five ways to shutdown Spring Boot apps cleanly. It provides inline code samples and link to GitHub.

Starting Docker Desktop with Spring Boot

In this article, we discuss Docker Desktop, including the Docker file, creating/pushing Docker images, creating/running Docker containers.

Baeldung Series Part 2: Build a Dashboard With Cassandra, Astra and CQL – Mapping Event Data

1. Introduction In our previous article, we looked at augmenting our dashboard to store and display individual events from the Avengers using DataStax Astra, a serverless DBaaS powered by Apache Cassandra using Stargate to offer additional APIs for working with it. In this article, we will …

End-to-End Tracing with OpenTelemetry

Let’s focus on tracing by following a request across an API gateway, two apps based on different tech stacks, and their respective databases.

When Disaster Strikes: Production Troubleshooting

Production is failing and everything is lost? That used to be the case. Fail whale, hysteria and panic. Developer observability fixes this!

Journeys in Java, Level 6: Build a Neo4j Microservice

Create a Neo4j database, get data loaded, then build a new service that interacts with the database and provides an API for client services.

Spring Boot Performance Workshop with Vlad Mihalcea

Learn how to improve the performance of a Spring application and diagnose production problems. Lessons from our live workshop covering JPA!

Spring Transaction Debugging in Production with Lightrun

We use annotations to denote transactional behavior in modern Spring, so we have no code, no failure, no debugging… But is this true?

Spring4Shell: Zero-Day RCE in Spring Framework Explained

On March 30, 2022, a critical remote code execution (RCE) vulnerability was found in the Spring Framework. More specifically, it is part of the spring-beans package, a transitive dependency in both spring-webmvc and spring-webflux. This vulnerability is another example of why securing the software supply chain is important to …

Spring Remote Code Execution Vulnerability

I’d like to start by saying that I’m not a security expert. I also won’t link to the exploit. This is a very fresh take on a new vulnerability but there’s already confirmation from Sonatype. The current exploit seems to …

Blink a LED on Raspberry Pi with Vaadin

Thanks to Vaadin, you can get a fully running application with a few clicks. And Adding GPIO-interaction is easy with the Pi4J library.

Building Reactive Java Applications with Spring Framework

Pretty much all Java developers are familiar with Spring Pet Clinic. In this article, we have given a walkthrough of the reactive implementation of it using Apache Cassandra.

Statically Spilling Your (Spring) Beans

There are some edge cases where you want to access Spring Beans in a static method, while you should always try to avoid this.

Build a Status Dashboard Using Spring Boot and Astra DB

Learn how to leverage the Astra Document API on top of Cassandra to build a dashboard of statuses, with Spring Boot for rendering. 

Build and Test Non-Blocking Web Applications with Spring WebFlux, Kotlin and Coroutines

In this article, we will develop a simple RESTful API using Spring WebFlux and aim to leverage the special Kotlin extensions in Spring.

Multiple Spring Boot Applications in the Same Project

I frequently use Spring Boot in my demos. The latest one is no different, showing how to achieve CQRS using two different code paths.

Native-image with Spring Boot

As the Cloud has become more widespread, the Spring ecosystem has been forced to cope with GraalVM native. While it still has room for improvement, it does the job.

Multiple Ways to Configure Spring

Many alternatives are available to configure your Spring app.

I’d like to list them in this post, leaving Spring Boot out of the picture on purpose.

VS Code Java August Updates: SpringOne Updates, UX Improvements, Community Feedback

Welcome to the August edition of the Visual Studio Code Java update!

In this article, we are going to share some exciting updates from the SpringOne 2021 conference, as well as various user experience improvements.

Annotation-free Spring

Some, if not most, of our judgments regarding technology stacks come either from third-party opinions or previous experiences. Yet, we seem to be adamant about them!

Better Error Handling for Your Spring Boot REST APIs

One of the things that distinguishes a decent API from one that is a pleasure to work with is robust error handling. Nothing is more frustrating than using some API and getting back cryptic errors where you can only guess why the server is not accepting your request.

Spring Boot lets you customize the error handling for your application, but there is quite a lot of low-level coding involved if you want to do this correctly.