In Spring Boot, the FactoryBeanNotInitializedException is a specific type of FatalBeanException that indicates a failure in the initialization of a FactoryBean. To understand this exception, it's essential to grasp the concept of FactoryBean and how it fits into the Spring framework. What is a FactoryBean? A FactoryBean is a special bean in the Spring…
In the realm of Java and the Spring Framework, one of the common exceptions developers encounter is the NoSuchBeanDefinitionException. This exception signifies that the Spring container is unable to find a bean definition that matches the requested type or name. Understanding the root causes of this exception and how to resolve it is crucial…
In the world of reactive programming, where asynchronous and non-blocking operations reign supreme, Spring Boot provides powerful tools to handle such scenarios effectively. Among these tools are Mono and Flux, two fundamental classes provided by the Reactor library, which is integrated into Spring Boot. What are Mono and Flux? Mono: Mono is a container…
In this tutorial, you'll discover how to deploy and host your Spring Boot applications on Heroku, a popular cloud platform-as-a-service (PaaS) provider. Heroku offers a seamless deployment experience for Java applications, including Spring Boot projects. By following these steps, you can quickly get your Spring Boot app up and running on the web. Prerequisites…
Introduction:In this tutorial, we'll delve into the world of Spring Boot request interceptors, exploring what they are, why they're useful, and how to implement them in your applications. Request interceptors provide a mechanism to intercept and potentially modify HTTP requests and responses before they reach the controller layer. Let's dive in! Prerequisites:Before we begin,…
In this tutorial, we'll guide you through the process of creating an in-house Language Model (LLM) application using Spring AI and Ollama. By the end, you'll have a robust platform for language processing tailored to your specific needs. Prerequisites: Basic knowledge of Java and Spring framework Familiarity with RESTful APIs Access to Spring AI…
Introduction: In Spring Boot applications, establishing relationships between entities is a common requirement. Bidirectional relationships, where entities reference each other, can be implemented using annotations like @OneToMany and @ManyToOne. In this tutorial, we'll explore how to set up bidirectional relationships between entities in a Spring Boot application. Prerequisites: Basic understanding of Spring Boot. Familiarity…
Introduction to GraalVM Spring Boot GraalVM is a high-performance runtime that provides significant performance improvements for JVM-based applications. When combined with Spring Boot, it offers enhanced efficiency and reduced resource consumption. In this tutorial, we'll explore how to leverage GraalVM with Spring Boot to create highly optimized applications. Prerequisites Before we begin, ensure you…
Introduction JSON Web Token (JWT) is a popular method for securely transmitting information between parties as a JSON object. In this tutorial, we'll walk through the process of implementing JWT authentication in a Spring Boot 3 application to secure your APIs. Prerequisites Before getting started, ensure you have the following: Basic knowledge of Spring…
Introduction:In this tutorial, you'll delve into the world of Spring Boot Native, exploring how to leverage native image compilation to optimize your Spring Boot applications for enhanced performance and reduced resource consumption. Prerequisites: Basic understanding of Spring Boot framework Familiarity with Java programming language JDK 11 or higher installed on your machine Maven or…