Learn what is the default entity sequence that is being used by both Hibernate 5 and Hibernate 6 and how to do the migration.

Learn how to avoid exposing passwords by encoding them with the help of Spring Boot CLI.

This tutorial explains the exception org.h2.jdbc.JdbcSQLSyntaxErrorException: Syntax error in SQL statement expected "identifier". It provides a practical example to reproduce the exception and showcases how to fix it by double-quoting the keyword or using…

A quick and practical guide to self-injection in Spring.

In this article, you will learn how to create consumer-driven contract tests for Quarkus apps using Pact in the microservices architecture.

Learn what is the standard SQL operation order for SELECT, FROM, GROUP BY, HAVING, Window Functions, UNION, ORDER BY, OFFSET, and LIMIT.

Unnamed methods in Java, Hibernate 6 migration, async-profiler, generative AI and jobs, and monoliths are not dinosaurs!

Private microservices may use a shared secret to protect their APIs from illegal access. We look at how to implement a simple token based security pattern based on a shared secret using Spring Security.

In this article, you will learn how to design and perform contract testing on Kubernetes with Microcks for microservices.

Learn how we can achieve Cache synchronization with the help of jOOQ and PostgreSQL TABLE-value functions.

Simplified main entries, CDC for cache, cloud-native Graal, key encapsulation, and event sourcing and audit logs!

Java performance is the theme this week, with a lot of interesting pieces.

A quick and practical guide to Spring Actuator, but without Spring Boot.

Learn about the ProblemDetail RFC7807 exception format provided by the Spring Framework and how to create and handle custom exceptions in Spring WebFlux.

Learn how to use Spring Boot built-in support for Testcontainers and Docker Compose to run external services in development mode.

In this post, I show how to use flows with Bull queue in a NestJS Application. Flows are the new feature from Bull Queue.

Introduction Welcome to a new issue of the High-Performance Java Persistence Newsletter in which we share articles, videos, workshops, and StackOverflow answers that are very relevant to any develo…

Learn the best way to validate the DDL schema and the JPA entity mappings when using Spring, JPA and Hibernate.

Exhaustiveness in Pattern Matching, dynamic threads for JVM compilers, JFR events in shell, association attributes in JPA, and zero downtime migrations at scale!

Learn how to avoid Spring Boot configuration properties errors by using canonical kebab-casing formats.