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IT Services Circle
IT Services Circle
May 31, 2026 · Backend Development

Why Hand‑Crafted HTTP Calls to LLMs Are a Pitfall and How Spring AI Solves It

The article analyzes the hidden dangers of writing raw HTTP calls for large language models in Java projects—hard‑coded keys, fragile request bodies, missing retries, no observability—and demonstrates how Spring AI’s unified abstractions, built‑in resilience, streaming, function calling, and seamless Spring integration eliminate these issues while enabling effortless model switching and production‑grade AI services.

AI integrationFunction CallingJava
0 likes · 20 min read
Why Hand‑Crafted HTTP Calls to LLMs Are a Pitfall and How Spring AI Solves It
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
May 30, 2026 · Backend Development

Auto‑Optimizing Resilience4j Circuit Breaker Settings with Spring AI

This article demonstrates how to replace static Resilience4j circuit‑breaker parameters in a Spring Boot 3.5 application with dynamically generated values using Spring AI, detailing environment setup, code examples, AI prompt construction, and runtime configuration replacement to improve fault tolerance.

Circuit BreakerSpring AISpring Boot
0 likes · 9 min read
Auto‑Optimizing Resilience4j Circuit Breaker Settings with Spring AI
IoT Full-Stack Technology
IoT Full-Stack Technology
May 29, 2026 · Backend Development

How We Cut a 30‑Second API Call to Under 1 Second on 2 Million Records

In a high‑concurrency transaction system, the author diagnosed a 30‑second API latency caused by costly SQL scans and Java Map creation on over two million rows, then applied SQL aggregation, moved counting logic into PostgreSQL, and introduced a Caffeine cache, ultimately reducing the response time to under 0.8 seconds while highlighting relational‑database limits for massive data.

Caffeine cacheJavaMyBatis
0 likes · 10 min read
How We Cut a 30‑Second API Call to Under 1 Second on 2 Million Records
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
May 29, 2026 · Backend Development

Stop Hardcoding DTOs: Dynamic Column‑Level Masking in Spring Boot

This article shows how to replace static DTO definitions with a zero‑intrusion, high‑concurrency solution for column‑level data masking in Spring Boot 3.5.0 by leveraging Jackson's serialization pipeline, a global Mixin, custom annotations, a contextual serializer, and a ResponseBodyAdvice that respects request‑scoped permissions.

DTODynamic MaskingJackson
0 likes · 10 min read
Stop Hardcoding DTOs: Dynamic Column‑Level Masking in Spring Boot
Code Mala Tang
Code Mala Tang
May 28, 2026 · Backend Development

Why MCP’s New Stateless Design Eliminates Session Stores and Handshakes

Version 2026‑07‑28 of the MCP protocol rewrites the spec to be stateless, removing the initialize handshake and session‑ID header, enabling simple round‑robin routing, client‑side caching, unified tracing, and new extensions, while outlining migration challenges and operational benefits.

HTTP routingMCPOAuth
0 likes · 10 min read
Why MCP’s New Stateless Design Eliminates Session Stores and Handshakes
ITPUB
ITPUB
May 28, 2026 · Backend Development

Skipping Spring Upgrades: Hidden Risks or Upgrade Hazards? Tanzu Spring’s Answer

Enterprise Java teams face mounting technical debt and accelerating security vulnerabilities from outdated Spring versions, a problem amplified by AI‑driven attacks, and Tanzu Spring offers a six‑year extended lifecycle, automated upgrade tooling, AI‑integrated governance, and 24/7 vendor support to safely modernize their applications.

AIJavaSpring Boot
0 likes · 11 min read
Skipping Spring Upgrades: Hidden Risks or Upgrade Hazards? Tanzu Spring’s Answer
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
May 28, 2026 · Backend Development

5 Advanced Techniques to Preserve Context in Spring Boot Async Calls

In Spring Boot 3.5.0, asynchronous threads lose MDC, security, and request data because ThreadLocal is not shared; the article demonstrates five concrete solutions—including InheritableThreadLocal, thread joining, custom TaskDecorator, Spring Security delegating wrappers, and MDC propagation—each with code samples, pitfalls, and best‑practice warnings.

AsyncInheritableThreadLocalMDC
0 likes · 12 min read
5 Advanced Techniques to Preserve Context in Spring Boot Async Calls
Sohu Tech Products
Sohu Tech Products
May 27, 2026 · Backend Development

IDEA + JavaAI: A Hands‑On Review of Building a Mini‑Redis Spring Boot Starter

After struggling with AI‑generated code that failed on global edge cases, the author evaluates the FeiSuan JavaAI IDEA plugin, walking through its five‑agent workflow—from requirement planning to source generation—and demonstrates how it successfully creates a production‑ready mini‑redis Spring Boot starter with thorough testing.

AI Code GenerationAgentIDEA
0 likes · 16 min read
IDEA + JavaAI: A Hands‑On Review of Building a Mini‑Redis Spring Boot Starter
Tech Musings
Tech Musings
May 27, 2026 · Backend Development

How to Upload Images to Qiniu Cloud with Rust + Actix‑Web and Generate Signed Download URLs

This article walks through moving image storage from TiDB Cloud to Qiniu Cloud for a WeChat mini‑program, detailing a Rust + Actix‑Web backend that validates image format, deduplicates via SHA‑256 content‑addressable keys, creates upload tokens, performs idempotent multipart uploads, and builds hour‑aligned private download URLs with referer protection.

Actix-WebContent-Addressable StorageImage Upload
0 likes · 22 min read
How to Upload Images to Qiniu Cloud with Rust + Actix‑Web and Generate Signed Download URLs
IT Services Circle
IT Services Circle
May 27, 2026 · Backend Development

How to Speed Up IntelliJ IDEA: 10 Essential Fixes

This article lists ten common IntelliJ IDEA problems—from sluggish performance and Lombok errors to Git commit issues and MySQL connection failures—and provides concrete configuration steps, code snippets, and best‑practice recommendations to resolve each pitfall for Java developers.

Code formattingDebuggingEncoding
0 likes · 21 min read
How to Speed Up IntelliJ IDEA: 10 Essential Fixes
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
May 27, 2026 · Backend Development

Why the Powerful Java WatchService API Is Still Overlooked

This article explains how to use Java's built‑in WatchService API to monitor file‑system changes in real time, covering service creation, directory registration, event handling, key lifecycle, polling methods, a complete runnable example, and an advanced version that leverages virtual threads for efficient concurrency.

File MonitoringJavaNIO
0 likes · 8 min read
Why the Powerful Java WatchService API Is Still Overlooked
Architect's Guide
Architect's Guide
May 27, 2026 · Backend Development

Comprehensive Collection of Java Backend Architecture Diagrams

This article compiles over thirty detailed architecture diagrams covering Java class loaders, JVM, Spring, Hibernate, Android, Linux kernel, cloud computing, and various enterprise technologies, offering developers a visual reference library for understanding and designing Java backend systems.

Backend ArchitectureEnterprise ArchitectureHibernate
0 likes · 5 min read
Comprehensive Collection of Java Backend Architecture Diagrams
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
May 27, 2026 · Backend Development

Master Modern Spring Boot Logging: 8 Essential Scenarios Covered

This guide walks through configuring comprehensive logging in Spring Boot 3.5 for eight common scenarios—including JPA SQL, transaction flow, JDBC operations, RestTemplate, RestClient, WebClient, controller requests, and Feign calls—providing concrete code samples, YAML settings, and sample output to help developers troubleshoot and monitor applications effectively.

JavaSpring Bootfeign
0 likes · 12 min read
Master Modern Spring Boot Logging: 8 Essential Scenarios Covered
ITPUB
ITPUB
May 26, 2026 · Backend Development

Why Using Redis Expiration Listener for Order Cancellation Is a Bad Idea

The article compares common delayed‑task solutions for order cancellation, explains why Redis expiration listeners, RabbitMQ dead‑letter queues, and in‑memory time wheels are unreliable, and recommends using proper message‑queue delayed delivery or Redisson delay queues with compensation mechanisms.

DelayQueueDelayed TasksMessage Queue
0 likes · 7 min read
Why Using Redis Expiration Listener for Order Cancellation Is a Bad Idea