I had a touch with the Arquillian framework for the first time when I was building the automated end-to-end tests for JavaEE based applications. At that time testing applications deployed on JavaEE servers was not very comfortable. Arquillian came with a…

Plain text logs are hard to process. Use structured log events to make the information searchable and filterable.

Learn how to customize application's authentication failure handler by using the Spring's AuthenticationFailureHandler interface.

A tutorial on how to create REST API docs with Spring Rest Docs.

One common requirement in Java application is to iterate through the elements of a collection. Prior to Java 8, the three most common ways to iterate through a collection are by using the while loop…

Implement your own ValueGenerator to generate the values of your non-primary key attributes.

<p>Hi, Spring fans! Can you believe it? <em><a href="https://springone.io">SpringOne 2021</a></em> kicks off in less than 24 hours! Have you registered? It’s free and it’s virtual, but the talks are live and there’ll be ample opportunity to talk to the Spring…

Micronaut 3 is released, Spring IoC, source code snippets in Java 18, panache repository pattern, filtering out syscalls in K8S, and climate change!

<p>Less than 2 months after <a href="https://spring.io/blog/2021/07/06/hello-spring-graphql">the initial announcement of Spring GraphQL</a> and <a href="https://spring.io/blog/2021/07/06/introducing-spring-graphql">its follow up intro blog</a>,
I’m happy…

Learn how to configure a colorful startup banner in Spring Boot.

The High-Performance Java Persistence Newsletter features articles, videos, and answers to common StackOverflow questions.