Introduction When it comes to building resilient, high-performing web applications, developers need a toolbox that can handle a variety of scenarios. Two such tools offered by the Resilience4J library are the Rate Limiter and the Bulkhead. Both of these modules provide different methods of improving system stability and performance, but Read more
Introduction In the constantly evolving world of web applications, fault tolerance and load distribution are no longer luxuries – they are necessities. Today’s digital ecosystem is characterized by high traffic volumes and the need for seamless user experiences, irrespective of the load on the system. As developers, we must ensure Read more
Introduction Apache Kafka is a powerful distributed streaming platform that allows you to build real-time data pipelines and applications. Spring Boot 3, the latest version of the popular framework, offers a simplified approach to developing and deploying microservices. In this blog post, we will explore how to integrate Kafka with Read more
Introduction The Gregorian calendar is the most widely used civil calendar in the world, while the Jalali calendar, also known as the Persian or Solar Hijri calendar, is primarily used in Iran and Afghanistan. In this blog post, we will demonstrate how to convert dates between these two calendars using Read more
Introduction Unit testing is a critical aspect of software development, ensuring that your code is reliable, maintainable, and efficient. Angular, a popular web application framework, provides a robust set of tools for implementing unit testing, such as Jasmine and Karma. In this blog post, we will dive deep into unit Read more
Introduction The rapid growth and evolution of web applications have brought forth an increasing demand for high-performance, scalable, and resilient systems. One critical aspect of achieving these goals is embracing non-blocking HTTP I/O in web afpplications. Non-blocking I/O is a technique that allows multiple tasks to be performed concurrently without Read more
Introduction Spring Boot has long been an essential tool for Java developers, enabling them to create stand-alone, production-grade applications with minimal configuration. As we eagerly anticipate the release of Spring Boot 3, let’s delve into the key features and enhancements that make this version the most exciting one yet. In Read more
Spring Framework has been a crucial component of Java development for many years. Since its introduction in 2003, it has revolutionized the way developers create enterprise applications on the Java platform. With the release of Spring Framework 6 in 2022, this era is set to become even more exciting. What’s Read more
Abstract This article is about the non-blocking HTTP-IO semantics for Java Application Server Middleware Instances. Non-Blocking HTTP-IO in the context of Asynchronous Request Processing was introduced with the JSR 315 (Servlet 3.0) specification back in 2009 (that is also part of JAX-RS 2.0) [1,2,3]. Its purpose is to increase the Read more
Abstract This best-practice article is about analyzing and fixing potential concurrency issues in the Wildfly Java Application Server. Concurrency problems can cause headaches, but multi-threading and process synchronisation is not rocket science, nor witchcraft. In a deterministic machine everything has a cause. Symptoms Requests to a WebApp crashes the whole Read more