Top Architect focuses on sharing practical architecture knowledge, covering enterprise, system, website, large‑scale distributed, and high‑availability architectures, plus architecture adjustments using internet technologies. We welcome idea‑driven, sharing‑oriented architects to exchange and learn together.
This article explains the design, principles, components, database schema, configuration, and usage of a generic asynchronous processing SDK that leverages Spring AOP, transactional events, Kafka, and a Vue UI to achieve reliable async execution and eventual consistency in Java backend systems.
A mysterious payment failure where orders appeared successful but were never persisted was traced to a missing transaction commit in a special code path, leading to polluted connections that silently broke subsequent transactions, and the article explains the root cause, debugging steps, fix, and preventive measures.
IntelliJ IDEA 2026.1 EAP 3 introduces a major usability change by sending deleted files to the system recycle bin instead of permanently erasing them, addressing a six‑year‑old issue and offering safer file recovery while also delivering numerous other Spring, Java, Kotlin, editor, AI, platform, and performance enhancements.
This guide shows how to view a Maven project's dependency tree using IDEA, the command line, or the Maven Helper plugin, identify version clashes by examining groupId and artifactId, and resolve them with exclusion tags or dependencyManagement entries.
This article explains how to perform a graceful shutdown of Java applications by handling Linux kill signals, configuring JVM signal handlers, using Runtime shutdown hooks, and leveraging Spring's ContextClosedEvent and Spring Boot Actuator's shutdown endpoint to safely release resources and stop services.
This guide walks you through using Hugo, a popular static‑site generator, covering typical applications such as documentation, blogs and corporate sites, its core features like live preview, multilingual support and theme management, step‑by‑step installation on Windows, macOS and Linux, and a quick‑start workflow to create, preview and publish a site.
The article analyzes MyBatis’s 20,000‑line source code, showing how it applies more than ten classic design patterns—such as Factory, Singleton, Builder, Adapter, Proxy, Composite, Decorator, Template, Strategy, and Iterator—to decouple complex ORM scenarios, improve extensibility, and illustrate practical implementation details.
A newcomer replaced MyBatis with MyBatis‑Plus in an old MySQL‑based project, triggering a "Conversion not supported for type java.time.LocalDateTime" error, which was traced to MyBatis 3.5.1 dropping built‑in type handling and an outdated mysql‑connector‑java, and resolved by upgrading the connector and adjusting validation logic.
This article explains how to automatically include userId and orderId in log messages of an e‑commerce system by defining log placeholders, storing IDs in ThreadLocal, and using a custom @UserLog annotation with Spring AOP to push the values into MDC, complete with configuration, code examples, and verification steps.
FastExcel, created after Alibaba stopped updating EasyExcel, offers seamless EasyExcel compatibility, dramatically lower memory usage, and high‑speed read/write for massive Excel files, while being free under the MIT license and backed by a thriving open‑source community that also fuels the AI‑driven database tool Chat2DB.
