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IoT Full-Stack Technology
IoT Full-Stack Technology
Apr 22, 2026 · Backend Development

A Lightweight Spring Boot Starter for Anti‑Repeat Submissions and Rate Limiting – Now on Maven Central

Guardian is a lightweight Spring Boot starter that provides both anti‑repeat‑submission protection and API rate limiting; it supports annotation and YAML configuration, flexible key scopes (user, IP, global), Redis or local storage, customizable response modes, white‑list handling, and built‑in observability, making it a drop‑in solution for single‑service projects.

API protectionRedisSpring Boot
0 likes · 16 min read
A Lightweight Spring Boot Starter for Anti‑Repeat Submissions and Rate Limiting – Now on Maven Central
java1234
java1234
Apr 22, 2026 · Artificial Intelligence

Getting Started with LangChain4j: Building Java AI Agents with a Mature LLM Framework

LangChain4j fills the long‑standing gap for Java developers by offering a Java‑native, enterprise‑grade LLM framework that abstracts model calls, prompts, memory, tools, RAG, streaming and structured output, enabling quick setup, clean AI Service definitions, and seamless integration into Spring Boot or Quarkus applications.

AI servicesChatMemoryJava
0 likes · 24 min read
Getting Started with LangChain4j: Building Java AI Agents with a Mature LLM Framework
Java Web Project
Java Web Project
Apr 22, 2026 · Backend Development

How to Build a Java MCP Server for AI Tools with Spring AI

This guide explains the Model Context Protocol (MCP), its JSON‑RPC communication modes, compares Java implementations, and provides a step‑by‑step tutorial—including project setup, configuration, tool creation, registration, and integration with Claude Desktop and IDEA—while covering description best practices, security, validation, and production considerations.

AIJavaMCP
0 likes · 17 min read
How to Build a Java MCP Server for AI Tools with Spring AI
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Apr 22, 2026 · Backend Development

5 Common Spring Boot Filter Pitfalls and How to Avoid Them

This article examines five typical pitfalls when using Spring Boot filters—request body consumption, ThreadLocal leakage, duplicate execution, ordering conflicts, and async handling—provides concrete code examples, explains why each issue occurs, and offers reliable solutions to keep your applications stable and secure.

JavaServletSpring Boot
0 likes · 11 min read
5 Common Spring Boot Filter Pitfalls and How to Avoid Them
MeowKitty Programming
MeowKitty Programming
Apr 21, 2026 · Backend Development

Stop Hand‑Coding HTTP for AI: Adopt the Fast‑Updating OpenAI Java SDK

The OpenAI Java SDK has released three versions (4.29.0, 4.31.0, 4.32.0) within weeks, adding a Responses API, Spring Boot starter, webhook verification, request‑ID handling, automatic retries, and GraalVM compatibility, turning it from a simple HTTP wrapper into a production‑ready backend component for Java developers.

AI integrationJavaOpenAI
0 likes · 6 min read
Stop Hand‑Coding HTTP for AI: Adopt the Fast‑Updating OpenAI Java SDK
Java Architect Handbook
Java Architect Handbook
Apr 21, 2026 · Information Security

How to Secure Spring Boot APIs with RSA Encryption: A Step‑by‑Step Guide

This article explains RSA encryption fundamentals, illustrates two practical scenarios, and walks through creating a Spring Boot project, adding Maven dependencies, configuring RSA keys, annotating controllers for automatic encryption/decryption, testing the endpoints, and handling client‑side encryption with JavaScript, while highlighting common pitfalls.

API SecurityJavaRSA
0 likes · 13 min read
How to Secure Spring Boot APIs with RSA Encryption: A Step‑by‑Step Guide
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Apr 21, 2026 · Backend Development

Mastering Spring Boot 3 Parameter Conversion: 5 Practical Solutions

This article walks through five comprehensive Spring Boot 3 techniques for converting request parameters—including a custom Converter, PropertyEditor, custom @ConvertUser annotation, argument resolver, and JSON deserializer—showing step‑by‑step implementations, registration details, and runtime screenshots for each approach.

Argument ResolverCustom ConverterJSON Deserializer
0 likes · 10 min read
Mastering Spring Boot 3 Parameter Conversion: 5 Practical Solutions
Selected Java Interview Questions
Selected Java Interview Questions
Apr 20, 2026 · Backend Development

How Groovy Scripts Enable Dynamic Business Rules in Spring Boot

This article explains why frequent business‑rule changes hurt backend release cycles, compares rule engines with Groovy dynamic scripts, walks through three integration methods, shows a Spring Boot implementation with caching and bean access, and details production pitfalls and best‑practice mitigations.

Dynamic ScriptingGroovyJava
0 likes · 16 min read
How Groovy Scripts Enable Dynamic Business Rules in Spring Boot
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Apr 20, 2026 · Backend Development

Avoid Hidden Thread‑Safety Bugs in Spring Boot 3: 6 Common Pitfalls and Fixes

This article examines six typical concurrency mistakes in Spring Boot 3—misusing volatile, unsafe ConcurrentHashMap patterns, exposing mutable collections, removing synchronized, abusing parallel streams, and invisible shutdown flags—showing why they occur and providing concrete, thread‑safe code replacements.

ConcurrentHashMapJavaSpring Boot
0 likes · 9 min read
Avoid Hidden Thread‑Safety Bugs in Spring Boot 3: 6 Common Pitfalls and Fixes
Eric Tech Circle
Eric Tech Circle
Apr 20, 2026 · Backend Development

How to Seamlessly Upgrade from Spring Boot 3 to 4 with AI Assistance

This article shares a practical, AI‑assisted workflow for migrating a Spring Boot 3.5.11 project to Spring Boot 4, covering key framework upgrades, step‑by‑step migration planning, common pitfalls, maintainability tips, and verification of critical functionality.

AI-assistedAPI VersioningBackend Development
0 likes · 11 min read
How to Seamlessly Upgrade from Spring Boot 3 to 4 with AI Assistance
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Apr 20, 2026 · Backend Development

Rewrite Spring Boot Request Body: Filter, RequestBodyAdvice, and Custom Processor

This article compares three Spring Boot techniques—using a Filter with a custom HttpServletRequestWrapper, a global RequestBodyAdvice, and a custom RequestResponseBodyMethodProcessor—to transparently decrypt or modify the request body, providing code samples, configuration tips, and testing guidance for each approach.

Custom ProcessorJavaRequest Body
0 likes · 8 min read
Rewrite Spring Boot Request Body: Filter, RequestBodyAdvice, and Custom Processor
Java Web Project
Java Web Project
Apr 19, 2026 · Industry Insights

Why Spring Boot Falters in Serverless: Comparing Quarkus, Micronaut & Helidon

Spring Boot’s heavy runtime, driven by reflection and classpath scanning, incurs long cold starts and high memory usage, making it costly for serverless and edge deployments; lightweight frameworks like Quarkus, Micronaut, and Helidon shift work to compile time and offer native images, but introduce trade‑offs in dynamism, ecosystem coverage, and build complexity.

HelidonMicronautQuarkus
0 likes · 10 min read
Why Spring Boot Falters in Serverless: Comparing Quarkus, Micronaut & Helidon
Coder Trainee
Coder Trainee
Apr 19, 2026 · Backend Development

How to Optimize Performance and Deploy a Production‑Ready Blog System

This article walks through a complete performance‑optimization and deployment pipeline for a Spring Boot blog, covering multi‑level caching with Caffeine and Redis, database indexing and cursor pagination, read‑write splitting, asynchronous processing, rate limiting, Docker multi‑stage builds, Nginx reverse‑proxy setup, Actuator monitoring, custom metrics, health checks, alerting, JMeter load testing, and JVM tuning.

CaffeineDockerPerformance Optimization
0 likes · 17 min read
How to Optimize Performance and Deploy a Production‑Ready Blog System
Java Architect Essentials
Java Architect Essentials
Apr 17, 2026 · Backend Development

How to Integrate Tess4J OCR into a Spring Boot Application

This article explains OCR fundamentals, introduces Tesseract and its Java wrapper Tess4J, guides you through downloading language data, shows step‑by‑step Spring Boot integration with Maven dependencies and configuration classes, and provides test code for Chinese, English, and mixed‑language image recognition.

JavaLanguage DataOCR
0 likes · 9 min read
How to Integrate Tess4J OCR into a Spring Boot Application
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Apr 17, 2026 · Backend Development

Generate Professional Architecture Diagrams Instantly with Spring Boot 3

This guide introduces the Architecture Diagram Generator skill for Spring Boot 3, explains how to install it via OpenCode and Claude Code, lists its visual features and color scheme, and demonstrates generating various architecture diagrams such as web applications, AWS serverless stacks, and microservice systems.

Backend DevelopmentClaudeDiagram Generator
0 likes · 7 min read
Generate Professional Architecture Diagrams Instantly with Spring Boot 3
SpringMeng
SpringMeng
Apr 17, 2026 · Backend Development

Smart Agriculture System: Remote Mini‑Program Control and Real‑Time Dashboard

Programmer Xiao Meng details the design and implementation of a smart agriculture platform that uses a WeChat mini‑program for remote hardware control, a web‑based dashboard for real‑time monitoring, and a full stack of Spring Boot, Vue, UniApp, MQTT and TDengine technologies.

MQTTSmart AgricultureSpring Boot
0 likes · 11 min read
Smart Agriculture System: Remote Mini‑Program Control and Real‑Time Dashboard
Coder Circle
Coder Circle
Apr 16, 2026 · Artificial Intelligence

Add Context Memory to Your AI in 5 Lines with Spring AI ChatMemory

The article demonstrates how to give a Spring Boot AI chatbot persistent context using Spring AI's ChatMemory, showing the problem of stateless requests, explaining the ChatMemory architecture, providing a five‑line code example, comparing storage options (InMemory, JDBC, Redis), and sharing practical tips and pitfalls.

AI conversationChatMemoryJava
0 likes · 7 min read
Add Context Memory to Your AI in 5 Lines with Spring AI ChatMemory
Java Web Project
Java Web Project
Apr 16, 2026 · Backend Development

How I Resolved a 13‑Hour OOM Nightmare in a Spring Boot Service

The article walks through a 13‑hour out‑of‑memory incident on a Spring Boot 2.7 service running in Kubernetes, detailing how to preserve the crash dump, interpret GC logs, use MAT and Arthas to pinpoint a static HashMap leak, and apply both temporary and permanent fixes while hardening the system for future safety.

ArthasJVMJava
0 likes · 18 min read
How I Resolved a 13‑Hour OOM Nightmare in a Spring Boot Service
Coder Trainee
Coder Trainee
Apr 16, 2026 · Backend Development

Building a Tech Blog from Scratch (Part 2): Implementing Login Authentication with Spring Security and JWT

This article walks through creating a complete login authentication system—including registration, login, token refresh, and permission control—by replacing Spring Security's default session handling with JWT, configuring backend filters and utilities, and integrating a Vue 3 + Pinia front‑end with automatic token renewal.

AuthenticationSpring BootSpring Security
0 likes · 19 min read
Building a Tech Blog from Scratch (Part 2): Implementing Login Authentication with Spring Security and JWT
Java Web Project
Java Web Project
Apr 15, 2026 · Backend Development

How We Cut Spring Boot Startup from 12 s to 3 s with GraalVM Native Image

This article walks through converting a Spring Boot order‑query microservice to a GraalVM Native Image, detailing environment setup, common build pitfalls with concrete code fixes, Docker multi‑stage packaging, K8s scaling comparison, performance benchmarks, CI/CD integration, and guidance on when Native Image is appropriate.

DockerKubernetesPerformance Optimization
0 likes · 12 min read
How We Cut Spring Boot Startup from 12 s to 3 s with GraalVM Native Image
Java Architecture Diary
Java Architecture Diary
Apr 15, 2026 · Operations

Unlock JVM Mysteries: How Arthas and AI Turn Debugging into a One‑Click Process

When a service’s P99 latency spikes to seconds and CPU hits 90% without logs, Arthas lets you inspect the JVM in real time without code changes, and its AI‑driven MCP extension automates command selection, enabling developers to diagnose, trace, decompile, and monitor issues through simple natural‑language prompts and Spring Boot integration.

AI OperationsArthasJVM debugging
0 likes · 8 min read
Unlock JVM Mysteries: How Arthas and AI Turn Debugging into a One‑Click Process
Coder Circle
Coder Circle
Apr 14, 2026 · Backend Development

Spring AI Hands‑On for Java Developers: Connecting ChatClient to the MiniMax LLM

This tutorial shows Java engineers how to set up a Spring Boot 4 project, configure Spring AI for the MiniMax large‑language model, call it via simple and streaming endpoints, use prompt templates with dynamic parameters, add metadata and advisors, and switch between different LLM providers with minimal code changes.

JavaLLMMiniMax
0 likes · 8 min read
Spring AI Hands‑On for Java Developers: Connecting ChatClient to the MiniMax LLM
Coder Trainee
Coder Trainee
Apr 14, 2026 · Operations

5 Production Nightmares in an Education Mini‑Program and How to Avoid Them

The author recounts five critical production incidents that crippleed an education mini‑program—Redis connection‑pool exhaustion, duplicate bookings, double refunds, mis‑firing no‑show jobs, and inventory oversell—detailing root causes, concrete fixes, and hard‑won lessons for building resilient backend services.

IdempotencyMonitoringOptimistic Lock
0 likes · 10 min read
5 Production Nightmares in an Education Mini‑Program and How to Avoid Them
Su San Talks Tech
Su San Talks Tech
Apr 10, 2026 · Artificial Intelligence

Boost Your Java Development with CC GUI: A Dual‑AI IDE Plugin Review

This article introduces CC GUI, a powerful JetBrains IDEA plugin that integrates Claude Code and Codex AI engines, walks through its key features, installation steps, and a real‑world Spring Boot project demo, highlighting how the tool can automate code upgrades, refactoring, and testing within the IDE.

AI codingClaude CodeIDE plugin
0 likes · 7 min read
Boost Your Java Development with CC GUI: A Dual‑AI IDE Plugin Review
Tech Verticals & Horizontals
Tech Verticals & Horizontals
Apr 10, 2026 · Artificial Intelligence

Enterprise‑Scale Codex + OpenSpec + Superpowers Workflow: A Step‑by‑Step, Governed AI Development Process

This article presents a comprehensive, enterprise‑grade workflow that combines Codex, OpenSpec, and Superpowers to turn AI‑assisted coding from chaotic code generation into a controlled, spec‑driven, and engineerable process for Java/Spring Boot microservice teams.

AI codingCodexEnterprise workflow
0 likes · 15 min read
Enterprise‑Scale Codex + OpenSpec + Superpowers Workflow: A Step‑by‑Step, Governed AI Development Process
Java Companion
Java Companion
Apr 7, 2026 · Backend Development

A Lighter‑Than‑MQ Asynchronous Solution: Spring’s Hidden Event‑Driven Feature

The article explains how Spring’s built‑in ApplicationEvent and @EventListener mechanism provides a lightweight, zero‑dependency alternative to external message queues for decoupling logic within the same JVM, covering core components, implementation styles, async execution, transactional listeners, pitfalls, performance comparison, and production best practices.

ApplicationEventAsynchronousBest Practices
0 likes · 23 min read
A Lighter‑Than‑MQ Asynchronous Solution: Spring’s Hidden Event‑Driven Feature
java1234
java1234
Apr 5, 2026 · Backend Development

Why Spring and Spring MVC Use Parent‑Child Containers

The article explains how Spring’s parent‑child container pattern separates core beans like DataSource and TransactionManager from business‑level beans, improving modularity, configuration reuse, decoupling, and flexible bean management, and shows concrete XML and Spring Boot examples for defining and loading these containers.

Bean ConfigurationIoCParent-Child Container
0 likes · 7 min read
Why Spring and Spring MVC Use Parent‑Child Containers
Ray's Galactic Tech
Ray's Galactic Tech
Apr 4, 2026 · Backend Development

How to Build a High‑Concurrency Story Creation Platform with AgentScope Java

This article presents a step‑by‑step engineering guide for constructing a production‑grade, high‑throughput story generation platform using AgentScope Java, Spring Boot, Kafka, Redis, PostgreSQL, and Kubernetes, covering architecture, task modeling, DAG orchestration, code organization, scalability, observability, and deployment best practices.

JavaKafkaSpring Boot
0 likes · 39 min read
How to Build a High‑Concurrency Story Creation Platform with AgentScope Java
Java Architect Essentials
Java Architect Essentials
Apr 2, 2026 · Backend Development

Why Micronaut Beats Spring Boot: Faster Startup, Lower Memory, Cloud‑Native Edge

This article analyzes Micronaut's design philosophy, performance advantages in startup time and memory usage, and its built‑in cloud‑native features—such as distributed configuration, service discovery, client load balancing, tracing, and serverless support—while providing step‑by‑step installation and code examples for Java developers.

Cloud NativeJavaMicronaut
0 likes · 11 min read
Why Micronaut Beats Spring Boot: Faster Startup, Lower Memory, Cloud‑Native Edge
Java Architect Handbook
Java Architect Handbook
Apr 1, 2026 · Backend Development

Integrating Tess4j OCR into a Spring Boot 3 Project

This guide explains OCR fundamentals, introduces Tesseract and Tess4j, shows how to download the required language data files, and provides step‑by‑step instructions with Maven configuration, Spring Boot properties, Java code, and test examples for Chinese, English, and mixed‑language image recognition.

JavaOCRSpring Boot
0 likes · 11 min read
Integrating Tess4j OCR into a Spring Boot 3 Project
macrozheng
macrozheng
Apr 1, 2026 · Backend Development

Which Java Web Framework Reigns Supreme? A Data‑Driven Comparison

This article evaluates major Java web frameworks—Spring Boot, Quarkus, Micronaut, Vert.x, Helidon, Javalin, Dropwizard, Play, Grails, Apache Wicket, Struts 2, JSF, and native Servlet/JSP—across performance, ecosystem maturity, learning curve, development efficiency, enterprise adoption, and innovation, providing objective data to guide technology selection.

Backend DevelopmentJavaMicronaut
0 likes · 7 min read
Which Java Web Framework Reigns Supreme? A Data‑Driven Comparison
Architect's Guide
Architect's Guide
Apr 1, 2026 · Backend Development

Master AsyncTask Orchestration in Spring Boot with asyncTool

This guide explains how to integrate asyncTool into a Spring Boot project, configure custom thread pools, understand core interfaces like IWorker and ICallback, and implement serial, parallel, and mixed task flows with detailed code examples and best‑practice considerations.

JavaSpring BootThread Pool
0 likes · 11 min read
Master AsyncTask Orchestration in Spring Boot with asyncTool
java1234
java1234
Mar 31, 2026 · Backend Development

How Many Concurrent Requests Can Spring Boot Handle?

This article explains how Spring Boot processes concurrent HTTP requests using its embedded Tomcat thread pool, details the default limits (200 max threads, 10 min threads, queue size 10,000), shows how to tune these settings via configuration files, demonstrates async controllers, and suggests performance testing tools to measure real‑world capacity.

AsyncSpring BootThread Pool
0 likes · 7 min read
How Many Concurrent Requests Can Spring Boot Handle?
IT Services Circle
IT Services Circle
Mar 30, 2026 · Cloud Native

Docker vs K8s: Solving Java Deployment Chaos with Containers

This article explains why traditional Java deployment struggles with environment inconsistencies, introduces Docker’s containerization workflow—including base images, Dockerfiles, images, registries, and tools like Compose and Swarm—and compares it with Kubernetes’ orchestration capabilities, showing how they together streamline Java application delivery.

ContainerizationDevOpsDocker
0 likes · 7 min read
Docker vs K8s: Solving Java Deployment Chaos with Containers
Architect's Guide
Architect's Guide
Mar 30, 2026 · Backend Development

Mastering Dynamic Permission Checks in Spring Boot with SpEL

This guide explains how to replace static custom‑annotation permission checks in Spring Boot with flexible SpEL expressions, covering annotation design, aspect definition, expression parsing, context setup, and practical usage examples for various access scenarios.

AspectJAuthorizationCustom Annotation
0 likes · 9 min read
Mastering Dynamic Permission Checks in Spring Boot with SpEL
Coder Trainee
Coder Trainee
Mar 30, 2026 · Backend Development

Mastering @ConditionalOnProperty: Controlling Bean Activation in Spring Boot

This article explains how Spring Boot's @ConditionalOnProperty annotation determines whether a configuration class or bean is loaded based on property values in application.yml, detailing its attributes (name, havingValue, prefix, value, matchIfMissing), practical usage examples.

ConditionalOnPropertyJavaSpring Boot
0 likes · 4 min read
Mastering @ConditionalOnProperty: Controlling Bean Activation in Spring Boot
Architecture Digest
Architecture Digest
Mar 26, 2026 · Artificial Intelligence

How to Integrate Tess4j OCR into a Spring Boot 3 Application

This guide explains the fundamentals of OCR, introduces Tesseract and its Java wrapper Tess4j, shows how to download language data files, configure a Spring Boot 3 project with Maven dependencies and YAML settings, and provides comprehensive test code for Chinese, English, and mixed‑language image recognition.

Artificial IntelligenceJavaOCR
0 likes · 9 min read
How to Integrate Tess4j OCR into a Spring Boot 3 Application
Architect's Guide
Architect's Guide
Mar 26, 2026 · Backend Development

How to Prevent Duplicate Submissions and Rate‑Limit APIs with the Guardian Spring Boot Starter

This article explains how the open‑source Guardian starter provides a lightweight Spring Boot solution for anti‑repeat submission and API rate limiting, covering dependency setup, annotation and YAML configuration, key generation strategies, response handling, concurrency safety, extensible architecture, monitoring endpoints, and deployment options.

API protectionAnti repeat submitJava
0 likes · 16 min read
How to Prevent Duplicate Submissions and Rate‑Limit APIs with the Guardian Spring Boot Starter
Top Architect
Top Architect
Mar 25, 2026 · Backend Development

Boost API Performance 10× with a Three‑Tier Cache Pyramid in Spring Boot 3

This article explains how to design and implement a three‑level cache pyramid (Caffeine → Redis → MySQL) in Spring Boot 3, covering configuration, a reusable CacheTemplate, hot‑key handling, random TTL, warm‑up, monitoring, and load‑test results that show latency dropping from tens of milliseconds to a few milliseconds while cutting CPU and network usage dramatically.

Backend DevelopmentCachingCaffeine
0 likes · 11 min read
Boost API Performance 10× with a Three‑Tier Cache Pyramid in Spring Boot 3
java1234
java1234
Mar 24, 2026 · Backend Development

How to Elegantly Perform OCR in Spring Boot 3 Using Tess4J

This tutorial explains OCR fundamentals, introduces the open‑source Tesseract engine and its Java wrapper Tess4J, shows how to download the required traineddata files, and provides step‑by‑step Spring Boot 3 integration, configuration, and test code for Chinese, English, and mixed‑language image recognition, plus important usage notes.

JavaOCRSpring Boot
0 likes · 8 min read
How to Elegantly Perform OCR in Spring Boot 3 Using Tess4J
Java Architect Handbook
Java Architect Handbook
Mar 22, 2026 · Backend Development

Hidden 70 ms Delay in Spring Boot: Tomcat Embed Bug Triggered by Swagger UI

After optimizing a Spring Boot channel service, a mysterious extra ~100 ms appeared per request; detailed tracing with Arthas revealed that embedded Tomcat repeatedly loads Swagger UI META‑INF resources, causing a 70 ms overhead, which can be eliminated by upgrading Tomcat or removing the Swagger dependencies.

ArthasEmbedded Tomcat BugPerformance debugging
0 likes · 30 min read
Hidden 70 ms Delay in Spring Boot: Tomcat Embed Bug Triggered by Swagger UI
Coder Trainee
Coder Trainee
Mar 20, 2026 · Backend Development

How to Create a Custom Spring Boot Startup Banner

This guide shows how to display a custom ASCII art logo in the console by adding a banner.txt file to the resources folder and using Spring Boot's built‑in variables such as ${AnsiColor} and ${spring-boot.version} to customize the appearance.

ASCII artBackend DevelopmentJava
0 likes · 2 min read
How to Create a Custom Spring Boot Startup Banner
NiuNiu MaTe
NiuNiu MaTe
Mar 20, 2026 · Artificial Intelligence

Why Your AI‑Generated Code Fails and How to Prompt It Effectively

The article explains why AI‑generated code often fails when prompts lack clear context, demonstrates real comparisons between vague and detailed requests, and provides a practical three‑step framework—background, purpose, and requirements—to craft precise prompts that yield reliable, production‑ready code.

AI promptingBackend DevelopmentRedis
0 likes · 7 min read
Why Your AI‑Generated Code Fails and How to Prompt It Effectively
Architecture Digest
Architecture Digest
Mar 19, 2026 · Backend Development

Why Open Session in View (OSIV) Can Kill Your Spring Boot Performance

Spring Boot’s default Open Session in View (OSIV) keeps Hibernate sessions open throughout the request, silently triggering lazy‑loaded queries during JSON serialization, leading to N+1 problems and massive DB load under load, but disabling it and using explicit fetch joins restores performance.

HibernateN+1 QueryOSIV
0 likes · 7 min read
Why Open Session in View (OSIV) Can Kill Your Spring Boot Performance
Architect's Ambition
Architect's Ambition
Mar 19, 2026 · Artificial Intelligence

Fix AI Agent Tool-Calling Chaos with Prompt Engineering and MCP Protocol

The article explains how poorly designed prompts cause AI agents to invoke unnecessary or incorrect tools, and shows how a structured prompt template combined with the Model Context Protocol (MCP) and three safety measures can raise tool‑calling accuracy from about 30% to over 95%.

AI agentJavaMCP protocol
0 likes · 13 min read
Fix AI Agent Tool-Calling Chaos with Prompt Engineering and MCP Protocol
Architect's Guide
Architect's Guide
Mar 19, 2026 · Backend Development

Boost API Speed 10× with a Three‑Level Cache Pyramid in Spring Boot 3

This article explains why adding Redis alone may still be slow, introduces a three‑level cache pyramid (Caffeine L1, Redis L2, DB L3) built with Spring Boot 3, and provides complete configuration, code, warm‑up, monitoring, and benchmark results that reduce response time from 28 ms to 2 ms while cutting CPU usage by 35%.

CacheCaffeineJava
0 likes · 9 min read
Boost API Speed 10× with a Three‑Level Cache Pyramid in Spring Boot 3
Yunqi AI+
Yunqi AI+
Mar 18, 2026 · Artificial Intelligence

Making AI Write Production-Ready Code via Context Engineering (COLA 5.0 & Spring Boot 3.x)

The article presents a systematic context‑engineering method that feeds project‑level, file‑level and task‑level knowledge to Claude/Claude‑CLI or Cursor, turning AI from an inconsistent code generator into a reliable collaborator, and quantifies token savings and consistency gains in a COLA 5.0 + Spring Boot 3.x project.

AI codingCOLACode consistency
0 likes · 14 min read
Making AI Write Production-Ready Code via Context Engineering (COLA 5.0 & Spring Boot 3.x)
Architect's Ambition
Architect's Ambition
Mar 17, 2026 · Backend Development

How to Equip Cursor AI with a Project‑Management Brain Using Superpowers MCP

The article explains why AI‑generated code often requires rework, introduces the Superpowers MCP tool that enforces a structured three‑step workflow, details its core commands and installation, and demonstrates a real‑world Spring Boot payment‑callback implementation that boosts code pass rate from 40% to 95% and cuts rework tenfold.

AI coding workflowCursor AIMCP
0 likes · 11 min read
How to Equip Cursor AI with a Project‑Management Brain Using Superpowers MCP
macrozheng
macrozheng
Mar 17, 2026 · Artificial Intelligence

Why AgentScope Java Is the Game‑Changer for Enterprise AI Agents

This article introduces AgentScope Java 1.0, an enterprise‑grade AI agent framework for Java that solves stack fragmentation, security, operations, and multi‑agent collaboration challenges by adopting the ReAct paradigm, offering real‑time interruption, sandbox isolation, RocketMQ‑based A2A communication, visual debugging, and deep Spring Cloud integration.

AI AgentsAgentScopeReAct
0 likes · 15 min read
Why AgentScope Java Is the Game‑Changer for Enterprise AI Agents
Java Companion
Java Companion
Mar 17, 2026 · Backend Development

Three Hot‑Reload Methods for Spring Boot in IDEA – Why JRebel Is the Best

When Spring Boot projects grow, restart times can reach minutes, slowing development, so the article compares three hot‑reload approaches—spring‑boot‑devtools, IDEA’s built‑in HowSwap, and the JRebel plugin—detailing their setup, limitations, and why JRebel is the most effective.

IntelliJ IDEAJRebelSpring Boot
0 likes · 5 min read
Three Hot‑Reload Methods for Spring Boot in IDEA – Why JRebel Is the Best
SpringMeng
SpringMeng
Mar 15, 2026 · Backend Development

Boost Your Spring Boot APIs with a DIY Anti‑Duplicate and Rate‑Limiting Starter

Guardian is a lightweight Spring Boot starter that provides independent anti‑duplicate submission and rate‑limiting modules, offering annotation and YAML configuration, multi‑dimensional key scopes, customizable response modes, Redis or local storage, and built‑in monitoring, all illustrated with step‑by‑step code examples.

API protectionRate LimitingRedis
0 likes · 17 min read
Boost Your Spring Boot APIs with a DIY Anti‑Duplicate and Rate‑Limiting Starter
macrozheng
macrozheng
Mar 12, 2026 · Operations

How to Deploy Apps Visually with Dockge – A Docker Compose GUI Guide

This guide introduces Dockge, a sleek Docker Compose visual manager, and walks through installing it via Docker, creating stacks, and deploying a Spring Boot and MySQL application with one‑click operations, including logs, terminal access, and API testing.

Container ManagementDevOpsDocker
0 likes · 5 min read
How to Deploy Apps Visually with Dockge – A Docker Compose GUI Guide
Coder Trainee
Coder Trainee
Mar 12, 2026 · Backend Development

Building a County Cultural Heritage & Creative Marketplace with Spring Boot and Vue.js

This article outlines the design and implementation of a three‑day graduation demo system that digitizes county cultural heritage, offers searchable displays, a creative product marketplace, user authentication, and monitoring, using a Spring Boot back‑end, Vue.js front‑end, MySQL, Redis, Docker, and CI/CD pipelines.

Cultural HeritageDockerSpring Boot
0 likes · 5 min read
Building a County Cultural Heritage & Creative Marketplace with Spring Boot and Vue.js
Java Companion
Java Companion
Mar 12, 2026 · Artificial Intelligence

AgentScope Java: Alibaba’s Enterprise‑Grade AI Agent Framework for Java

AgentScope Java 1.0, open‑sourced by Alibaba, provides a production‑ready AI agent framework built for Java ecosystems, addressing stack fragmentation, security, operations, and multi‑agent collaboration through ReAct reasoning, real‑time interruption, sandboxing, RocketMQ‑based A2A communication, and visual debugging, with detailed integration guides and comparison to LangChain4j and Spring AI.

AI AgentsAgentScope JavaReAct paradigm
0 likes · 14 min read
AgentScope Java: Alibaba’s Enterprise‑Grade AI Agent Framework for Java
Java Backend Technology
Java Backend Technology
Mar 12, 2026 · Artificial Intelligence

Why a Decade‑Old Java Library Is Jumping Into the AI Race with TOON

The article introduces TOON, a token‑oriented data format that cuts JSON token usage by 30‑60%, and explains how the veteran Java serialization library json‑io has added full TOON support, offering zero‑config, cyclic‑reference handling, and seamless Spring Boot integration for cost‑effective LLM applications.

LLMSpring BootTOON
0 likes · 7 min read
Why a Decade‑Old Java Library Is Jumping Into the AI Race with TOON
macrozheng
macrozheng
Mar 11, 2026 · Backend Development

Why json-io’s New TOON Support Could Cut LLM Token Costs by Up to 60%

The article introduces json-io’s recent addition of full TOON format support—a token‑oriented data notation that removes JSON’s syntactic noise, saving 30‑60% of tokens for LLM APIs, and shows how to integrate it with Java, Maven, and Spring Boot.

LLMSpring BootTOON
0 likes · 7 min read
Why json-io’s New TOON Support Could Cut LLM Token Costs by Up to 60%
Architect's Guide
Architect's Guide
Mar 10, 2026 · Backend Development

Explore Qiwen File: An Open‑Source Spring Boot & Vue File Management System

Qiwen File is a completely open‑source online file manager built with Spring Boot and Vue CLI, offering hierarchical directory handling, multiple view modes, sharing, and online preview/edit features, while providing its source code under the MIT license for further customization.

File ManagementMIT licenseSpring Boot
0 likes · 3 min read
Explore Qiwen File: An Open‑Source Spring Boot & Vue File Management System
Top Architect
Top Architect
Mar 9, 2026 · Backend Development

How to Auto‑Cancel Unpaid Orders in Spring Boot: 3 Practical Approaches

This guide explains three ways to automatically cancel orders that remain unpaid for 30 minutes in a Spring Boot application, covering scheduled tasks, RabbitMQ delayed queues, and Redis key‑expiration events, with complete code examples and configuration details.

Order ManagementRabbitMQRedis
0 likes · 7 min read
How to Auto‑Cancel Unpaid Orders in Spring Boot: 3 Practical Approaches
Java Architect Handbook
Java Architect Handbook
Mar 9, 2026 · Backend Development

How to Auto‑Cancel Unpaid Orders in Spring Boot Within 30 Minutes

This article explains three practical ways to automatically cancel orders that remain unpaid for 30 minutes in a Spring Boot application, covering a scheduled task, a RabbitMQ delayed queue, and Redis key‑expiration events, with complete code examples and configuration steps.

Order CancellationRedisSpring Boot
0 likes · 8 min read
How to Auto‑Cancel Unpaid Orders in Spring Boot Within 30 Minutes
Architecture Digest
Architecture Digest
Mar 6, 2026 · Artificial Intelligence

AgentScope Java: Unlock Multi‑Agent AI Development Without Leaving Java

This article introduces AgentScope Java, a multi‑agent development framework that lets Java developers build intelligent assistants and collaborative agents with built‑in reasoning, tool use, memory, RAG, and Spring Boot integration, providing production‑grade performance and easy setup.

AI FrameworkAgentScopeRAG
0 likes · 9 min read
AgentScope Java: Unlock Multi‑Agent AI Development Without Leaving Java
Java Tech Enthusiast
Java Tech Enthusiast
Mar 6, 2026 · Backend Development

Simplify Spring Boot Authentication with Sa-Token: A Complete Guide

This article introduces Sa-Token, a lightweight Java authentication framework, explains why it outperforms Spring Security, shows how to configure it in Spring Boot, and provides multiple code examples—including login, logout, role and permission checks, global interceptors, front‑end token handling, and Redis storage.

AuthenticationAuthorizationSa-Token
0 likes · 7 min read
Simplify Spring Boot Authentication with Sa-Token: A Complete Guide
macrozheng
macrozheng
Mar 5, 2026 · Backend Development

Rapid API Development with magic‑api: No Controllers, No Boilerplate

This guide shows how to use the Java‑based magic‑api framework to generate CRUD REST endpoints directly from a UI, covering Maven setup, datasource configuration, script‑based request handling, validation, result mapping, transactions, and Swagger integration.

API generationCRUDSpring Boot
0 likes · 10 min read
Rapid API Development with magic‑api: No Controllers, No Boilerplate
macrozheng
macrozheng
Mar 3, 2026 · Backend Development

Explore Free FS: A Modern Spring Boot File Management System with Full Stack Demo

Free FS is an enterprise‑grade, Spring Boot‑based file management system that offers high‑performance storage, plug‑in architecture, and real‑time progress, with detailed backend and frontend installation guides, multi‑format preview, sharing, and support for various storage backends, all available via its public Git repository.

Backend DevelopmentFile ManagementSpring Boot
0 likes · 6 min read
Explore Free FS: A Modern Spring Boot File Management System with Full Stack Demo
SpringMeng
SpringMeng
Mar 2, 2026 · Backend Development

Deep Dive into an Asynchronous Spring Boot + Tesseract OCR Pipeline for Invoice Recognition

This article presents a complete design and implementation of a high‑throughput, asynchronous OCR pipeline built with Spring Boot and Tesseract, covering distributed architecture, thread‑pool tuning, image‑preprocessing, multi‑engine recognition, data extraction strategies, Kubernetes deployment, security compliance, chaos testing, and future AI‑driven enhancements.

AsynchronousGPUJava
0 likes · 10 min read
Deep Dive into an Asynchronous Spring Boot + Tesseract OCR Pipeline for Invoice Recognition
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Mar 1, 2026 · Backend Development

8 Common Java Collection Mistakes That Kill Performance (and How to Fix Them)

This article reveals eight frequent Java collection pitfalls—such as costly ArrayList insertions, inefficient LinkedList access, repeated contains checks, missing initial capacities, unordered HashMaps, modifying collections during streams, misuse of parallelStream, and in‑memory caches—explaining why they degrade performance and providing concrete, code‑driven alternatives.

Backend DevelopmentCollectionsJava
0 likes · 10 min read
8 Common Java Collection Mistakes That Kill Performance (and How to Fix Them)
Java Architect Handbook
Java Architect Handbook
Feb 28, 2026 · Backend Development

Prevent Duplicate Submissions and Rate‑Limit APIs with the Guardian Spring Boot Starter

This article introduces Guardian, a lightweight Spring Boot starter that provides anti‑duplicate‑submission protection and request rate limiting, explains how to integrate it via Maven, configure it with annotations or YAML, and details its internal workflow, storage options, concurrency handling, and monitoring capabilities.

JavaRedisSpring Boot
0 likes · 17 min read
Prevent Duplicate Submissions and Rate‑Limit APIs with the Guardian Spring Boot Starter
IT Services Circle
IT Services Circle
Feb 25, 2026 · Cloud Native

Nacos vs Apollo: Which Config Center Is Faster and Easier for Microservices?

This article compares Nacos and Apollo, the two most popular configuration centers in the microservice ecosystem, covering their design philosophies, quick‑start procedures, core features, data models, architecture, performance, operational costs, community support, and provides guidance on when to choose each solution.

ApolloCloud NativeConfiguration Management
0 likes · 21 min read
Nacos vs Apollo: Which Config Center Is Faster and Easier for Microservices?
Code Ape Tech Column
Code Ape Tech Column
Feb 25, 2026 · Backend Development

Why a Spring Boot API Took 100ms Extra: Tracing Tomcat’s Hidden Jar Loading Bug

A Spring Boot channel service showed an unexpected 100 ms latency; by systematically checking network, using curl, and employing Arthas to trace Spring MVC and Tomcat internals, the author discovered a Tomcat‑embed bug that repeatedly loads Swagger‑UI JAR resources, which is resolved by upgrading Tomcat.

ArthasEmbedded TomcatPerformance debugging
0 likes · 15 min read
Why a Spring Boot API Took 100ms Extra: Tracing Tomcat’s Hidden Jar Loading Bug
Architect's Guide
Architect's Guide
Feb 25, 2026 · Backend Development

Convert Word (.docx) to PDF in Spring Boot with docx4j – A Complete Guide

Learn how to seamlessly convert uploaded .docx files to PDF in a Spring Boot application using the pure‑Java docx4j library, covering solution comparison, Maven dependencies, a utility class, controller implementation, and Windows/Linux font‑encoding fixes for reliable, high‑fidelity document rendering.

JavaMavenPDF conversion
0 likes · 11 min read
Convert Word (.docx) to PDF in Spring Boot with docx4j – A Complete Guide
macrozheng
macrozheng
Feb 24, 2026 · Backend Development

How to Package Spring Boot Apps into Native Installers with JPackage

This guide explains how to use the JPackage tool introduced in JDK 14/16 to create platform‑specific native installers for Spring Boot applications, covering environment setup, custom JRE creation with jlink, Maven integration, and examples for Windows, macOS, and Linux.

JLinkJava PackagingMaven
0 likes · 11 min read
How to Package Spring Boot Apps into Native Installers with JPackage
Java Companion
Java Companion
Feb 24, 2026 · Backend Development

Spring Boot Online Dependency Vulnerability Scanner: One‑Click Detection of Potential Security Issues

This guide presents a lightweight Spring Boot dependency vulnerability scanner that automatically collects all project JARs, matches them against a CVE database, visualizes risk levels, provides detailed remediation steps and can be integrated into local development, emergency response, and CI/CD pipelines.

CVEDependency ScanningJava
0 likes · 20 min read
Spring Boot Online Dependency Vulnerability Scanner: One‑Click Detection of Potential Security Issues
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Feb 23, 2026 · Backend Development

8 Essential Null‑Handling Rules for Spring Boot 3 to Prevent NPEs

This article presents eight concrete rules for handling null values in Spring Boot 3 applications, illustrating common pitfalls with code snippets, explaining production‑impact risks, and offering best‑practice solutions such as using empty collections, explicit null checks, proper Optional usage, and consistent API design.

Best PracticesCollectionsJava
0 likes · 11 min read
8 Essential Null‑Handling Rules for Spring Boot 3 to Prevent NPEs
DevOps Coach
DevOps Coach
Feb 22, 2026 · Backend Development

Why Go Beats Java Spring Boot for SaaS: Cost, Deployment, and Concurrency Insights

After years of using Java Spring Boot, the author rewrote a SaaS microservice in Go, discovering a 60 % AWS cost reduction, simpler deployment, and easier concurrency, while also noting scenarios where Java's rich ecosystem remains preferable, offering practical guidance on when to choose Go for SaaS.

Backend DevelopmentGoSaaS
0 likes · 8 min read
Why Go Beats Java Spring Boot for SaaS: Cost, Deployment, and Concurrency Insights
Java Companion
Java Companion
Feb 22, 2026 · Backend Development

Why Most Backend Architecture Patterns Are Over‑engineered

A recent code review reveals a colleague using strategy, factory, and abstract‑factory patterns to build a payment system that only needs two methods, exposing how 90 % of classic backend architecture patterns become unnecessary over‑design in modern microservice and cloud‑native environments, and offering practical guidelines for when such complexity truly adds value.

Code ReviewDesign PatternsMicroservices
0 likes · 13 min read
Why Most Backend Architecture Patterns Are Over‑engineered
Java Companion
Java Companion
Feb 21, 2026 · Backend Development

Build Your Own Spring Boot API Guard: Anti‑Duplicate Submissions and Rate Limiting

The article introduces Guardian, a lightweight Spring Boot starter that provides independent anti‑duplicate‑submission and rate‑limiting modules, explains why a custom solution is preferable to raw Redis locks, and walks through annotation and YAML configurations, key generation, response handling, storage options, concurrency safety, and observability.

API GuardAnti-duplicate SubmissionRate Limiting
0 likes · 17 min read
Build Your Own Spring Boot API Guard: Anti‑Duplicate Submissions and Rate Limiting
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Feb 16, 2026 · Backend Development

7 Common Spring Boot 3 Performance Pitfalls and How to Fix Them

This article examines seven frequent performance problems when using Spring Data JPA in Spring Boot 3—such as eager loading, N+1 queries, returning entities from controllers, eager fetch misuse, oversized transactions, count‑heavy pagination, and logging entities—and provides concrete code‑level solutions like DTO projections, EntityGraph, slice pagination, and proper transaction separation.

DTOEntityGraphSpring Boot
0 likes · 9 min read
7 Common Spring Boot 3 Performance Pitfalls and How to Fix Them
Java Tech Enthusiast
Java Tech Enthusiast
Feb 15, 2026 · Backend Development

Why Switch from Maven to Gradle? A Hands‑On Migration Guide

This article walks through converting a Maven‑based Java Spring Boot project (mall‑tiny) to Gradle, explains Gradle's key features and plugins, provides step‑by‑step setup with screenshots, shows the full build.gradle file, and compares build times to demonstrate Gradle's speed advantage.

Build ToolGradleJava
0 likes · 10 min read
Why Switch from Maven to Gradle? A Hands‑On Migration Guide
Selected Java Interview Questions
Selected Java Interview Questions
Feb 14, 2026 · Backend Development

Master Dynamic Table Names in MyBatis‑Plus with a Simple Starter

This article introduces an open‑source MyBatis‑Plus dynamic‑table starter, explains why dynamic table names are needed for large‑scale data, outlines its key features, provides step‑by‑step installation and quick‑start instructions, demonstrates advanced usage, debugging tips, FAQs, and real‑world scenarios.

Dynamic TableJavaMybatis-Plus
0 likes · 9 min read
Master Dynamic Table Names in MyBatis‑Plus with a Simple Starter
Top Architect
Top Architect
Feb 11, 2026 · Backend Development

Designing Clean API Response Wrappers in Spring Boot

This article explains how to design a consistent JSON response format for Spring Boot APIs, covering status‑code conventions, message handling, a reusable Result wrapper class, controller simplification, and a global @ResponseResult annotation with interceptor and advice for automatic response packaging.

ControllerAdviceJSONResponse wrapper
0 likes · 10 min read
Designing Clean API Response Wrappers in Spring Boot
Java Architect Handbook
Java Architect Handbook
Feb 11, 2026 · Backend Development

Convert Word (.docx) to PDF in Spring Boot with docx4j

This guide walks you through a fully open‑source, pure‑Java solution for converting uploaded .docx files to PDF in a Spring Boot application, covering library selection, Maven dependencies, a reusable utility class, controller implementation, and handling Chinese font issues on Windows and Linux.

JavaMavenPDF conversion
0 likes · 12 min read
Convert Word (.docx) to PDF in Spring Boot with docx4j