Choosing Between Resource, EntityModel & RepresentationModel in Spring HATEOAS

When building hypermedia-driven REST APIs using Spring HATEOAS, a critical decision is how to model your API responses — especially…

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Demo Project: How @BasePathAwareController Breaks Link Builders

This minimal example shows two controllers in a Spring Data REST app with base path /api: One using @BasePathAwareController —…

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Using Keycloak with Spring Boot: Full Identity Provider Integration

If you’re building a modern enterprise-grade application, identity management is no longer an optional extra—it’s foundational. Whether you’re aiming for…

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Role-Based Feature Flags in Spring Boot with Unleash or FF4J

Feature flags let you decouple deployment from release. But what if you want to roll out a feature only for…

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Enable or Disable Embedded Tomcat in Spring Boot Using Profiles

In many Spring Boot applications, especially those that support multiple deployment modes, it is common to encounter different runtime environments.…

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Fix Cannot Load Driver Class: com.mysql.jdbc.driver in Spring Boot

1. Introduction The “can not find driver exception” with “com.mysql.jdbc.driver" means that the Spring Boot application can not load the…

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Securing GraphQL with Spring Security: A Practical Guide

GraphQL provides a flexible and efficient way to query APIs, but with that power comes the need for robust security.…

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Rate Limiting in Java: Implementing Per-User Throttling with Redis Buckets

To protect APIs from abuse and ensure fair usage, rate limiting is essential. It prevents users or clients from overwhelming…

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Jolokia Spring Boot Integration Example

Monitoring and managing Spring Boot applications can be greatly enhanced using tools like Jolokia, which exposes JMX MBeans over HTTP.…

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