<div class="paragraph">
<p>If you have an application that connects to an <a href="https://rsocket.io">RSocket</a> server at runtime, how do you test it? We need a way for a test to start a server and tell us where it is listening, and then we need to be…

Unit tests should be small tests (atomic), lightweight, and fast. However, an object under test might have dependencies on other objects. It might need to interact with a database, communicate with a mail server, or…

<p>Hi, Spring fans! In this installment <a href="https://twitter.com/starbuxman">Josh Long (@starbuxman)</a> talks to JHipster creator and Microsoft Java Developer Advocacy manager <a href="https://twitter.com/juliendubois">Julien Dubois (@juliendubois) </a></p>…

Looking for a SSO solution. How does Ping Federate help with implementing SSO using SAML protocol. In this post, I show how this is achived.

This article shows how to use a project Reactor in reactive programming for applications written in Kotlin language.

A quick and practical guide to uploading and displaying Excel files in a Spring MVC application using Apache POI.

<div class="paragraph">
<p>Dear Spring Community,</p>
</div>
<div class="paragraph">
<p>Today it’s my pleasure to announce releases of Spring Integration for Amazon Web Services extension versions <code>2.5.1</code> and Spring Cloud Stream Binder for…

Safe natives in Java, secure microservices with Spring Security, continuous testing in Quarkus, AWS timeseries, and different test levels!

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.