Simulate OAuth2 SSO in Spring Using MockMvc and WireMock

Testing Spring Boot applications secured with OAuth2 Single Sign-On (SSO) can be difficult, especially when authentication relies on an external…

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Spring Security URL and Method Authorization

Controlling access to APIs based on the requested URL and HTTP method is a common requirement in modern web applications.…

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Building RESTful APIs with Apache Camel and Spring Boot

How Camel’s REST DSL can simplify API creation and mediation. Introduction Building RESTful APIs can be straightforward with Spring Boot…

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Custom CallAdvisor & StreamAdvisor in Spring AI

As AI capabilities continue to integrate deeper into enterprise applications, observability and control over AI interactions become essential. Spring AI…

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Transactional Messaging with Eventuate Tram

Event-driven microservices often rely on asynchronous communication between services. However, when business logic involves modifying a database and sending an…

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Hibernate Dirty Checking Explained: How Entity State Changes Are Detected

Hibernate is a powerful ORM (Object-Relational Mapping) tool that simplifies database interaction in Java applications. One of its most useful…

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Building gRPC Services with Spring Boot

Spring gRPC is a framework that integrates gRPC with Spring Boot, making it easier to build scalable microservices using Protobuf-based…

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Kafka Fix Unknown Magic Byte Errors

Kafka makes it easy to exchange messages between producers and consumers, but things can go wrong when the message format…

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Spring Properties Cleanup

Configuration files in Spring Boot projects often begin as concise and readable files. However, as your project evolves—adding new modules,…

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