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.

A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...

At the heart of Apache Spark is the concept of the Resilient Distributed Dataset (RDD), a programming abstraction that represents an immutable collection of objects that can be split across a ...

This is a continuation of a series of articles in which I briefly cover the main points of a specific topic in system architecture design. The previous article can be read here, and the complete guide ...

Apache Spark and Hadoop, Microsoft Power BI, Jupyter Notebook and Alteryx are among the top data science tools for finding business insights. Compare their features, pros and cons. While data has its ...

HTMX is the HTML extension syntax that replaces JavaScript with simple markup. It could change the course of web development. HTMX lets you use an extended HTML syntax instead of JavaScript to achieve ...

A sample project to demonstrate how a web app can be built using a Spring MVC / AngularJs stack. The frontend is based on Angular, lodash and requirejs, and the backend is composed of JSON REST web ...

Microsoft offers an array of options for data analytics in its cloud that are meant to operate together as a full analytics stack. Here is an overview of the core services and where each fits. If you ...

As the name implies, runtime errors occur during the execution of a software program. They occur when an application runs. Any time an application behaves in a way ...