Introduction In my previous post I introduced the entity state transitions Object-relational mapping paradigm. All managed entity state transitions are translated to associated database statements when the current Persistence Context gets flushed. Hibernate’s…

Learn how to get the HTTP port programmatically in a Spring Boot application

Testing Spring Boot applications using MockMvc: verify @RestController endpoints, Thymeleaf controller endpoints, Spring Security, etc.

A quick guide to working with Spring using the Eclipse Spring Tool Suite (STS) IDE.

Read about Spring Cloud Config and how you can use it to provide configuration for your microservice based Java architecture

Hibernate 5.1 introduced the new MultiIdentifierLoadAccess interface which provides an easy API call for fetching multiple entities by their primary keys.

This tutorial shows how to run and configure RabbitMQ monitoring stack using such tools as Prometheus, Grafana, or management console.

In my previous post, I demonstrated how fast you can insert 50 millions time-event entries with MongoDB. This time, we will make use of all that data to fuel our aggregation tests. This is how a time-event entry looks like: Beside the default primary key…

<div class="paragraph">
<p>This article is part of a blog series that explores the newly redesigned Spring Cloud Stream applications based on Java Functions. In this chapter, we explore how to use <a href="https://github.com/spring-cloud/stream-applications">Spring…

Hibernate's Criteria API got deprecated and will be removed in Hibernate 6. Migrating your code to JPA's Criteria API is easier than it seems.

By default, Hibernate maps unidirectional one-to-many associations to a junction table. There is an easy way to use a foreign key column instead.

<p>Hi, Spring fans! Welcome to another awesome week in Spring! Can you believe we’re staring down October, 2020 already? I can’t. Time sure flies…. or something. There’s a lot to get to so let’s get to it.</p>
<ul>
<li><a href="https://twitter.com/spri…

<p>Spring Cloud Data Flow team is pleased to announce the release of 2.7.0-M1 and 2.6.3</p>
<p>While the release 2.6.3 has <a href="https://github.com/spring-cloud/spring-cloud-dataflow/releases/tag/v2.6.3">the bug fixes</a>, the first milestone of 2.7.0…

Learn how to get query results as a Stream with Hibernate 5.2 and how to use them in your application.

Introduction Memoization is a method-level caching technique for speeding-up consecutive invocations. This post will demonstrate how you can achieve request-level repeatable reads for any data source, using Spring AOP only. Spring Caching Spring offers a…

I've been blogging for seven years already. This article reviews the benefits of blogging and how much it has helped me in my career.

Learn about different ways of handling errors using Spring AMQP with RabbitMQ.

Learn about the built-in events for the Spring application context

This article shows how to configure security for Spring Cloud Config Server and create a secure connection with Spring Cloud Config Client.

Learn about Spring's lifecycle annotations PostConstruct and PreDestroy.