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.

Before you start the upgrade, make sure to upgrade to the latest available 2.7.x version. This will make sure that you are building against the most recent dependencies of that line. You may also use ...

Abstract: This paper presents a comprehensive solution for enhancing security and traceability in web applications by auditing mutating REST operations (PUT, POST, PATCH, DELETE). The proposed ...

The Jakarta Persistence API (JPA) is a specification that defines a standardized framework for data persistence. Persistence is the fundamental mechanism for saving and retrieving data over time. In ...

Spring Boot is the most popular Java framework for building cloud-native applications, and Hibernate is the most popular object-relational mapping framework for implementing the JPA spec. This Spring ...

Abstract: To support managers in effectively distributing and overseeing IT technology teaching resources, the author suggests implementing an online education system built on the Spring Boot ...

The Java ecosystem is bursting with tools and frameworks for just about every programming need. Here are seven open source Java projects you don't want to miss. The Java ecosystem is home to an ...

The need to manage a user base for an online system is very frequent. Goal of this project is to offer a generic user's data management microservice. This microservice can offer a good and solid ...