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Mastering Real-time Data Processing with KafkaItemReader and KafkaItemWriter in Spring Batch

Published date 27 July 2023 Categories Blog / Spring Boot

In this tutorial, we will explore the powerful KafkaItemReader and KafkaItemWriter components in Spring Batch. These components facilitate seamless integration with Apache Kafka, enabling efficient and scalable data processing in batch jobs. We will explain the concepts behind KafkaItemReader and KafkaItemWriter and delve into their various use cases. Table of Content: Understanding KafkaItemReader KafkaItemReader is a Spring Batch item reader...

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Building Event Sourcing with Spring Boot and MongoDB

Published date 23 July 2023 Categories Blog / Spring Boot

In this tutorial, we will explore how to implement Event Sourcing using Spring Boot and MongoDB. Event Sourcing is a powerful architectural pattern that can be used to ensure data consistency, auditability, and scalability in complex systems. It enables you to store the state of an application as a series of events, capturing every change made to the data over...

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Introduction to CQRS Pattern in Spring Boot and MongoDB

Published date 23 July 2023 Categories Blog / Spring Boot

Command Query Responsibility Segregation (CQRS) is a design pattern that aims to improve the performance, scalability, and maintainability of applications by segregating read and write operations into separate models. This pattern has gained popularity in recent years, especially in distributed systems and microservices architectures. In this article, we will explore how to implement the CQRS pattern in Spring Boot application...

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AAA Pattern: Writing Effective API Tests

Published date 16 July 2023 Categories API Testing / Blog / Spring Boot

Tests are vital in software development, and a structured approach to test design is crucial for their effectiveness. The Arrange-Act-Assert (AAA) pattern is a popular technique that aids this goal. In this article, we delve into the AAA pattern, providing examples to showcase its application. Discover how the AAA pattern is employed to test controllers, services, and repositories within a...

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How Spring Boot Annotations Works?

Published date 9 July 2023 Categories Blog / Spring Boot

In this technical blog post, we’ll explore the most commonly used Spring Boot annotations, such as @SpringBootApplication, @EnableAutoConfiguration, @ComponentScan, @RestController, @Autowired, @Configuration, @Entity, and @Transactional. By diving into the internals of these annotations, you’ll gain a solid understanding of how they function and how they contribute to the development process. Whether you’re a beginner looking to get started with Spring...

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Building a Spring Reactive Web Application with Microservices for High Scalability and Resilience

Published date 8 July 2023 Categories Blog / Java / Microservice / Spring Boot

In today’s fast-paced world, building web applications that can handle high traffic, provide fault tolerance, and scale horizontally is crucial. Microservices architecture, combined with reactive programming, can help achieve these goals. In this blog post, we will explore how to build a Spring Reactive web app using the microservice pattern and implement features like high scalability, fault tolerance, resilience, and...

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Request Handling and Routing Mechanism in Spring Boot

Published date 8 July 2023 Categories Blog / Spring Boot

In Spring Boot, routing mechanisms are essential for handling incoming requests and directing them to the appropriate controller methods. This article will delve into the routing mechanisms in Spring Boot controllers and shed light on how Spring Boot accepts requests and manages routing to controllers. Understanding the Request Handling Workflow: Before exploring the routing mechanisms, let’s briefly understand how Spring...

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Access Denied Handler in Spring Security with Examples

Published date 7 July 2023 Categories Blog / Java / Spring Boot

Spring Security is a powerful framework that provides authentication and authorization capabilities for Java applications. When securing our applications, we often define access restrictions and permissions to protect sensitive resources. However, there may be scenarios where a user attempts to access a protected resource without the necessary permissions. In such cases, Spring Security provides an access denied handler that allows...

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Building a Spring Boot Application for Efficient Data Processing with Spring Batch for Huge Data with Thread-Safe Parallel Processing

Published date 6 July 2023 Categories Blog / Java / Microservice / Spring Boot

Processing large volumes of data efficiently is a common challenge in many applications. Spring Batch, a powerful framework for batch processing in Java, provides built-in features for handling such scenarios. In this article, we will explore how to leverage Spring Batch’s capabilities for processing huge data with thread-safe parallel processing. Introduction:Processing huge volumes of data efficiently is a common challenge...

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Implementing the Circuit Breaker Pattern in Spring Boot

Published date 6 July 2023 Categories Blog / Java / Microservice / Spring Boot

In this article, we will explore how to implement the Circuit Breaker pattern in Spring Boot applications. By leveraging Spring Cloud’s resilience components, we can enhance the reliability and resilience of our microservices. The Circuit Breaker pattern acts as a safeguard against failures in distributed systems. It helps prevent cascading failures by monitoring the availability of a service and isolating...

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