Fix the “Login Pool Is Empty and Connection Creation Failed” error with 5 proven solutions for HikariCP, Spring Boot, MySQL, PostgreSQL, JDBC, and database connection pools.

Cutting corners: Faced with rising memory costs, Meta says it is reusing old DDR4 RAM in its servers rather than buying new hardware. The company revealed this week that it is repurposing DDR4 memory ...

Erik Steiger discusses the operational pain of legacy PDF generation in regulated banking and manufacturing. He explains how ...

Spring AI 2.0 advances the Java framework for generative AI apps with a Spring Boot 4 baseline, cleaner agentic tooling, Model Context Protocol support and vendor-backed integrations including Azure ...

I run Dev Spotlight - we write tech content for tech companies. Email at michael@devspotlight.com. Cloud platforms like Heroku make it easier than ever to host applications: just upload your code, and ...

Artificial intelligence and related technologies are evolving rapidly, but until recently, Java developers had few options for integrating AI capabilities directly into Spring-based applications.

JDK 25 brings powerful new features to Java and JVM developers. Here are seven new or updated features that could convince you to switch. Java continues its fast and feature-packed release schedule, ...

Confluent is pioneering a fundamentally new category of data infrastructure focused on data in motion. This article shows data engineers how to use PyIceberg, a lightweight and powerful Python library ...

What is an exception handler? An exception handler is code that stipulates what a program will do when an anomalous or exceptional event occurs and disrupts the normal flow of that program's ...

A look at some of the best database and RDBMS tools for Java software developers. Learn more about Java and database programming. We may earn from vendors via affiliate links or sponsorships. This ...

A look at some of the best integrated development environments (IDEs) and code editors for Java software developers. Learn more. Back in the early days of Java, developers created applications using ...