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Java Architecture Diary

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Java Architecture Diary
Java Architecture Diary
Feb 9, 2026 · Backend Development

How to Navigate the Breaking Changes in Spring Cloud Alibaba 2025.1.0.0 for Spring Boot 4

The article outlines the five major technical changes introduced in Spring Cloud Alibaba 2025.1.0.0—including the removal of bootstrap.yml, Sentinel's shift to Jackson 3, Nacos security upgrades, Seata's WebFlux transaction support, and RocketMQ's Spring Boot 4 adaptation—plus a detailed migration checklist to help developers upgrade smoothly.

Spring Boot 4backendconfiguration
0 likes · 8 min read
How to Navigate the Breaking Changes in Spring Cloud Alibaba 2025.1.0.0 for Spring Boot 4
Java Architecture Diary
Java Architecture Diary
Feb 5, 2026 · Backend Development

How Spring Debugger Enables Agent‑Free Remote Debugging of Java Apps

The article explains how JetBrains' Spring Debugger plugin provides remote debugging for Spring applications without using Java agents, detailing the underlying thread‑model tricks, supported containers, practical features like bean inspection and SQL execution, and step‑by‑step JDWP configuration.

IDE pluginJavaTomcat
0 likes · 11 min read
How Spring Debugger Enables Agent‑Free Remote Debugging of Java Apps
Java Architecture Diary
Java Architecture Diary
Feb 2, 2026 · Artificial Intelligence

Why a 10‑Year‑Old Java JSON Library Is Now Targeting LLMs with TOON

json-io, a decade‑old Java JSON library known for zero‑config, circular‑reference support, and lightweight size, has added full TOON (Token‑Oriented Object Notation) read/write capabilities, a token‑efficient format designed for LLMs that can cut serialization costs by 30‑60% and integrates seamlessly with Spring Boot and Spring AI.

AIJavaLLM
0 likes · 9 min read
Why a 10‑Year‑Old Java JSON Library Is Now Targeting LLMs with TOON
Java Architecture Diary
Java Architecture Diary
Jan 22, 2026 · Artificial Intelligence

Unlock Java Power with Claude Agent SDK: From One‑Shot to Reactive APIs

This article explains how Claude Code, a super‑intelligent AI agent, differs from traditional code‑completion tools, introduces its official SDK limitations, and provides a comprehensive guide to the community‑driven Claude Agent SDK for Java—including one‑shot, blocking, and reactive APIs and a practical RAG‑based Q&A example.

AI agentClaude CodeJava SDK
0 likes · 10 min read
Unlock Java Power with Claude Agent SDK: From One‑Shot to Reactive APIs
Java Architecture Diary
Java Architecture Diary
Jan 8, 2026 · Backend Development

Why Tomcat Outperforms Jetty 15× with Virtual Threads in Spring Boot 4.0

A detailed benchmark shows that enabling Java virtual threads in Spring Boot 4.0 makes Tomcat handle up to fifteen times more requests than Jetty, while startup times remain similar, and the article explains the test setup, configuration steps, native image builds, and the reasons behind Jetty's limitation.

DockerJettyPerformance
0 likes · 10 min read
Why Tomcat Outperforms Jetty 15× with Virtual Threads in Spring Boot 4.0
Java Architecture Diary
Java Architecture Diary
Dec 29, 2025 · Information Security

Why Spring Authorization Server Merged into Spring Security 7.0 and How to Migrate

Spring Authorization Server has been integrated into Spring Security 7.0, ending its independent lifecycle; the article explains the three historical eras, the reasons for the merge, and provides concrete dependency and configuration changes—including Lambda DSL updates—to help developers migrate from SpringBoot3 to SpringBoot4 with minimal effort.

Authorization ServerJavaMigration
0 likes · 11 min read
Why Spring Authorization Server Merged into Spring Security 7.0 and How to Migrate