Focused on Java technologies: SSM, the Spring ecosystem, microservices, MySQL, MyCat, clustering, distributed systems, middleware, Linux, networking, multithreading; occasionally covers DevOps tools like Jenkins, Nexus, Docker, ELK; shares practical tech insights and is dedicated to full‑stack Java development.
This comprehensive guide explains the 2025 WeChat account unblocking process, covering identification of restriction types, required evidence, self‑service five‑step recovery, advanced manual appeal tactics, common issues, and post‑unblock security measures to help users restore access efficiently.
After encountering Thymeleaf template parsing failures when packaging a Spring Boot 3.4.3 application as a JAR, the author resolves the issue by configuring the template resolver in Java code, disabling Thymeleaf settings in application.yml, and adjusting ModelAndView paths to omit leading slashes.
This article provides a comprehensive overview of database transactions, explaining ACID properties, transaction states, explicit and implicit transaction control, isolation levels, and how to configure and use them in MySQL with practical SQL examples and code snippets.
This article discusses the motivations, comparative analysis, and practical steps for refactoring a Java backend project by replacing MongoDB with MySQL, covering pain points, selection criteria, schema redesign, entity mapping, and sample query code.
This article introduces the design of a standalone notification‑system microservice, covering its functional requirements, conceptual and logical data models, and key workflow diagrams to guide implementation in Java‑based internet projects.
This article explains why a Spring Boot application fails to locate a template file when packaged as a JAR, details the step‑by‑step debugging process, and provides code solutions using ClassPathResource or PathMatchingResourcePatternResolver to correctly read resources inside the JAR.
This article introduces a Java utility class named CompressUtil that provides methods for compressing files and directories into ZIP archives, handling duplicate filenames, creating new files safely, and offering HTTP endpoints for downloading the generated ZIP files in a single request.
This article examines the typical reasons Kafka messages are lost across producers, brokers, and consumers, and provides detailed configuration recommendations and best‑practice solutions to significantly reduce the risk of data loss in distributed streaming systems.
The article explains how to achieve graceful shutdown of Spring Boot services by handling Linux kill signals, registering JVM shutdown hooks, and exposing an Actuator REST endpoint that safely releases resources, stops beans, and terminates the JVM without data loss.
This article explains the six Java thread states defined in java.lang.Thread.State, describes the meaning of each state, illustrates the possible state transitions, and provides three runnable code examples that demonstrate NEW, RUNNABLE, BLOCKED, WAITING, TIMED_WAITING and TERMINATED states along with their console outputs.
