May 16, 2026 · Backend Development

7 Essential Spring Boot Concepts Every Senior Developer Should Master

The article walks senior developers through seven core Spring Boot 3.5.0 concepts—resilience with Resilience4j, observability via Actuator, distributed transactions using Saga, advanced caching, asynchronous processing, API‑gateway routing, and OAuth2/JWT security—providing concrete code snippets, configuration examples, and visual illustrations for each technique.

Distributed TransactionsSecuritySpring Boot

0 likes · 10 min read

7 Essential Spring Boot Concepts Every Senior Developer Should Master

Java Architecture Diary

Mar 23, 2020 · Backend Development

Why SpringBoot Admin Shows Services Offline and How to Fix Sentinel Health

This article explains how SpringBoot Admin visualizes service status via the Spring Actuator health endpoint, why some services appear offline despite functioning, and provides step‑by‑step troubleshooting of Sentinel health checks, including configuration tweaks and code examples to ensure proper initialization and connectivity.

SpringBootbackend-monitoringhealth check

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Why SpringBoot Admin Shows Services Offline and How to Fix Sentinel Health