A highly professional Java public account
This article demonstrates how to use the Adapter pattern together with Nacos dynamic configuration to abstract multiple OSS providers (Minio, Aliyun), configure Spring beans for hot‑refreshable storage selection, and integrate the solution into a microservice’s service, file, and controller layers.
WebCurl is an open‑source, ultra‑lightweight web API testing tool that runs entirely in the browser without any installation, offering a minimalist design, zero third‑party dependencies, and a rich set of features such as HTTP CONNECT tunneling, custom headers, file upload/download, echo server, static file serving, and flexible command‑line options.
The article recounts a real‑world case where using ShardingJDBC, Elasticsearch and Logstash dramatically increased system complexity and caused a pagination bug, then walks through hardware, software and SQL‑level optimization techniques and suggests more balanced alternatives to blind sharding.
The article explains why Docker image pulls often time out in China due to outdated or unreachable registry mirrors, lists common invalid mirror configurations, and provides three verified mirror URLs for 2025 together with step‑by‑step setup instructions and practical troubleshooting tips.
When faced with 50 million user rows, using LIKE '%1234' triggers a full table scan, but adding a suffix column, reversing the phone number, leveraging function indexes, or integrating Elasticsearch can reduce query time from minutes to a few milliseconds, each with its own trade‑offs.
This guide shows how to inspect Maven's dependency tree using IntelliJ IDEA's built‑in tool, the command line, or the Maven Helper plugin, identify version conflicts, and resolve them with exclusions or dependencyManagement entries.
SpringBoot 3.0 drops the long‑standing spring.factories file in favor of per‑extension imports files, eliminating full‑classpath scans, improving startup speed, aligning with Java modules, and enabling seamless GraalVM native‑image support, while providing a clear migration path for existing projects.
The article dissects XXL-JOB's communication layer, showcasing Netty HTTP usage, a full asynchronous processing pipeline, dynamic proxy abstraction, request‑ID based thread wake‑up, and detailed Java code examples that illustrate how the scheduler and executor achieve high‑throughput remote job execution.
This article explains that Maven is essentially a plugin framework, details how plugins like flatten-maven-plugin and exec-maven-plugin are configured and executed, introduces the MOJO concept, walks through creating a custom Maven plugin, and shows how to bind plugin goals to the build lifecycle.
The article walks through replacing MyBatis 3.5.0 with MyBatis‑Plus 3.1.1 in a legacy Java project, uncovers version‑specific LocalDateTime conversion failures, shows how upgrading mysql‑connector‑java resolves them, and reflects on the broader impact of component upgrades on production stability.
