Learn how to manage application settings from an external, centralized source

During the last ‘Code Europe’ conference in Warsaw appeared many topics related to microservices architecture. Several times I heard the conclusion that the best candidate for separation from the monolith is service that generates PDF reports. It’s usually…

Discover GraphQL - a query language for APIs.

A step by step guide to master the Java programming language from ground up.

In this post, I show how we can use Controller Advice - Exception Handler in Spring Boot. How this annotation can help?

Learn how to invoke a SOAP web service using Spring WS.

In this series on unit testing with JUnit, we learned several unit testing aspects and how to implement them with JUnit. We can summarize the series till now as: Part 1: Creating a basic unit test…

Learn how to protect your web application with Spring Security.

A quick and practical introduction to service layer validation in Spring.

In this tutorial, we'll describe how we can enable Feign client logging in our Spring Boot application.

Learn how to solve the ApplicationContextException in Spring Boot.

This tutorial explains Redis PubSub with Spring Boot by developing publisher and subscriber applications.

This article shows how to configure Spring Boot HTTP request and response logging and send logs with tags to Logstash and Elastic Stack.

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

This post is a continuation of my previous microservices sample with Apache Camel described in the post Microservices with Apache Camel. In the picture below you can see the architecture of the proposed solution. All the services will be available behind…

How to define, configure, and activate parameterized filter criteria that Hibernate applies to all queries.

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Explore the differences between the OpenAPI based springdoc and Spring REST Docs.

<p>Hi, Spring fans! What’s shaking? It’s one of those weeks where, even though the thing I wanted to happen - a vacation with the family - didn’t happen, what did happen - accidentally lots of free time with no meetings - has turned out wonderfully. It was…