Enterprise Java
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LangChain4j Quarkus MCP Example
The Model Context Protocol (MCP) is gaining traction as an essential bridge between Large Language Models (LLMs) and external tools.…
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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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