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 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 ...

I am a Senior Member of Technical Staff at Salesforce, where I build AI-driven enterprise solutions that integrate LLM. I am a Senior Member of Technical Staff at Salesforce, where I build AI-driven ...

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 ...

Community driven content discussing all aspects of software development from DevOps to design patterns. MySQL remains one of the most popular, open-source databases in the Java community, while ...

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 ...

If you are creating a new Spring Boot project, one question you will inevitably need to answer is: What database should I use? Luckily, Spring Boot supports many databases such as H2, MySQL, Postgres, ...

r2dbc-mysql supports Spring Boot 4.0 (and Spring Framework 7) starting from version 1.4.2. Refer to the table below to determine the appropriate version of r2dbc-mysql for your project.