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.

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 ...

Attackers have begun backdooring internet-exposed Ivanti Sentry appliances, the nonprofit security watchdog Shadowserver confirmed on June 11, 2026 — less than 48 hours after patches and a public ...

Building web services and documenting RESTful endpoints is no easy task, but testing RESTful APIs has always been a particularly sore point with Spring Boot and Java. Sure, you can test a GET ...

This crash course on how to build a RESTful API with Spring Boot teaches everything you need to know to immediately develop enterprise-grade microservices in Java. In just 90 minutes you'll learn how ...

Abstract: Web application technologies are growing rapidly with continuous innovation and improvements. This paper focuses on the popular Spring Boot [1] java-based framework for building web and ...

The Spring Framework is possibly the most iconic software development framework of all time. It once suffered from a reputation of bloat, but it has long since shed that perception. The heart of ...

In a country with over 95% mobile penetration, Bulk SMS API Gateways empower businesses to automate customer engagement, deliver time-sensitive alerts, and drive sales at a fraction of the cost of ...

In the modern educational process, the relevance of informatization and cybersecurity threats cannot be overstated. As highlighted by Gulzada Esenalieva [1], the rapid development of information ...

One of the key features of the Spring Boot framework is the built-in support for embedded servers. It includes support for embedded Tomcat, Jetty, and Undertow servers. This means you don’t need any ...