This article walks through using the Java‑based Docx4j library with Spring Boot 3.5.0 to create, style, insert images, generate tables, and read Word (docx) files, providing complete Maven dependencies, step‑by‑step code examples, and the resulting document screenshots.
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.
The article introduces SkillsJars, a Maven‑based solution that packages Agent SKILL.md files into JARs, enabling unified dependency management for Java AI agents and demonstrating integration with Claude Code, Spring AI, and LangChain4j while also covering how to publish custom SkillsJars.
This article lists ten common IntelliJ IDEA pitfalls—such as high memory usage, indexing delays, Lombok errors, broken breakpoints, console encoding issues, unwanted Git commits, slow Maven downloads, classpath mismatches, shortcut conflicts, and automatic code reformatting—and provides step‑by‑step solutions to make the IDE run smoothly for Java and Spring projects.
Spring Sentinel is a high‑performance Maven plugin for Spring Boot that performs static code analysis to spot N+1 queries, unsafe transaction calls, architectural anti‑patterns, and security risks, offering configurable rule profiles, CI/CD‑ready reports, and flexible suppression mechanisms.
The article introduces OKHttpUtil, a lightweight wrapper around Square’s OkHttp library that enables Java developers to perform HTTP GET, POST, file upload, and download operations with a single line of code, includes Maven setup, Spring Boot integration, fluent API usage, and examples of wrapping external services such as eBay.
This article explains a standard Spring MVC + OpenFeign design pattern for microservices, where a contract‑first interface defines routing and API specs, Controllers implement business logic, and Feign clients reuse the same interface for remote calls, with full Maven project setup, code samples, and Nacos integration.
This guide walks through creating an Android project that combines Java and Kotlin, adding Kotlin dependencies via Maven, and implementing a simple controller with Kotlin syntax, illustrating variable definitions, method signatures, and basic service interaction.
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.
Kotlin 2.3.20, released on March 16, introduces name‑based destructuring, improved C/Objective‑C interop for Kotlin Native, Kotlin/JS interface support, Maven and Gradle enhancements, new compiler annotations, and experimental features like a Lombok plugin and Map.Entry.copy() for safer collections.
Maven 4 upgrades the POM model to version 4.1.0, introduces native flattening of consumer POMs, adds explicit artifact types for classpath control, renames modules to subprojects, and implements a tree‑based lifecycle for true parallel builds, dramatically improving build speed and clarity for modern Java projects.
Maven 4 introduces a new POM model version 4.1.0, separates build and consumer POMs to eliminate POM pollution, adds explicit artifact types for classpath and module paths, renames modules to subprojects, and implements a tree‑based lifecycle for true parallel builds, all while offering enhanced configuration capabilities.
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.
This article explains how to create and use Jar Skills in the Qoder JetBrains plugin to embed SKILL.md files inside Java JARs, extract them with the skillsjars‑maven‑plugin, and leverage these skills—along with @openFiles—to enhance AI‑assisted coding, provide best‑practice documentation, and improve code generation for internal and third‑party libraries.
This guide walks through Maven’s core workflow for Java backend development, covering plugin configuration, automatic project setup in IntelliJ IDEA, detailed pom.xml settings—including properties, dependencies, plugins—and code examples for Servlets and JSPs, plus dependency scope handling to avoid runtime conflicts.
This guide explains how to use Maven's assembly plugin to create executable JARs, ZIP/TAR archives, and custom distribution packages by configuring the plugin in pom.xml, writing assembly descriptors, and running a single Maven command, with multiple real‑world examples and a sample project structure.
This guide shows how to download the Jenkins WAR package, start it with nohup java -jar, resolve common errors, install required Linux fonts and Xvfb, and configure global tools such as Maven, JDK, and Git for a fully functional CI server.
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.
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.
This article introduces a Maven aggregation Quickstart plugin for IntelliJ IDEA that automates the creation of multi‑module Java projects, explains its core features, provides step‑by‑step installation and usage instructions, shows how to customize templates, and offers troubleshooting tips along with the source repository.
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.
Maven 4, released at the end of 2025, introduces a 4.1.0 POM model, separates build and consumer POMs to flatten dependencies, adds explicit classpath‑jar and module‑jar artifact types, renames modules to subprojects, and implements a tree‑based lifecycle for true parallel builds, all while remaining backward compatible.
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.
This article explains how a custom IntelliJ IDEA plugin can automate the creation of Maven multi‑module projects, turning a tedious half‑hour manual process into a 30‑second one‑click operation, and provides step‑by‑step installation, usage, customization, and troubleshooting guidance.
This article walks through building a pure‑Java DOCX‑to‑PDF converter in Spring Boot using docx4j, compares it with alternatives, shows Maven dependencies, provides a utility class and controller example, and explains how to resolve Chinese font garbling on both Windows and Linux.
This article introduces a lightweight IntelliJ IDEA plugin that automates the creation of Maven multi‑module projects, detailing its core features, installation methods, step‑by‑step usage, customization options, dependency handling, troubleshooting tips, and how to build and extend the plugin from source.
This guide walks through using JPackage (standard from JDK 16) to create native Windows, macOS, and Linux installers for Spring Boot applications, covering JDK requirements, platform‑specific tools, custom JRE creation with jlink, Maven integration, and step‑by‑step command examples.
This article walks through converting a SpringBoot Maven project (mall‑tiny) to Gradle, explains Gradle’s key features and plugins, shows step‑by‑step setup, demonstrates dependency migration, compares build times with Maven, and provides a complete Gradle build script with reference links.
This guide explains how to build, run, and deploy the open‑source Arthas Tunnel tool—including Maven compilation, Docker and Helm deployment, UI startup, and integration with Spring Boot via the eden‑architect framework—while providing configuration examples and repository links for quick setup.
The article examines Maven 4’s major upgrades—including a new 4.1.0 POM model, Build POM/Consumer POM separation, explicit artifact types, subproject renaming, tree‑based lifecycle, and richer configuration expressions—while also noting the tool’s migration assistance and its impact on modern Java development.
Spring Boot packages all dependencies and an embedded web server into a single executable JAR, allowing developers to launch the application with a simple "java -jar" command without external configuration or server deployment.
Maven 4 introduces a revamped POM model, native flattening, explicit artifact types, subproject support, a tree‑based lifecycle for parallel builds, and richer configuration options, making it a timely upgrade for modern Java development pipelines.
Maven 4, now in its fifth release candidate, modernizes the 15‑year‑old Java build ecosystem with a new POM model, native Build/Consumer POM separation, explicit artifact types, subproject renaming, tree‑based lifecycle for parallel builds, and richer configuration options, while providing an official upgrade assistant.
This article explains Maven 4’s release‑candidate status, its separation of Build and Consumer POMs, the upgraded 4.1.0 model with simplified syntax, tree‑shaped lifecycle, concurrent builds, and developer‑friendly features like resume and delayed deployment, helping you decide when to adopt it.
This guide explains why Maven dependency conflicts cause errors like NoSuchMethodError and ClassNotFoundException, shows step‑by‑step commands to inspect the dependency tree, and provides three practical ways—exclusions, forced versions, and dependencyManagement—to resolve and prevent such conflicts in Java projects.
Maven 4 introduces a revamped POM model (4.1.0), separates build and consumer POMs to eliminate unnecessary metadata, adds explicit artifact types for classpath and module jars, renames modules to subprojects, adopts a tree‑based lifecycle for true parallel builds, and provides powerful configuration and upgrade tools, all aimed at modern Java projects.
IntelliJ IDEA 2025.3.1 introduced severe Maven project freezes, OOM crashes, and WSL2 configuration loss, but JetBrains quickly released 2025.3.1.1 with fixes and provides temporary work‑arounds such as clearing Maven caches, disabling file‑icon rendering, and adjusting a registry flag.
Maven 4, now in its fifth release candidate, introduces a new POM model version 4.1.0 with backward compatibility, separates build and consumer POMs to eliminate POM pollution, adds explicit artifact types for classpath and module jars, renames modules to subprojects, and brings a tree‑based lifecycle for true parallel builds, all supported by an official upgrade tool.
Maven 4, now in its fifth release candidate, introduces a new POM model, consumer‑POM flattening, explicit artifact types, subproject renaming, a tree‑based lifecycle and richer configuration, all aimed at modernizing Java builds for modular, parallel, and cloud‑native environments.
Maven 4 introduces a revamped POM model, native flattening, explicit artifact types, subproject support, a tree‑based lifecycle and richer configuration options, enabling faster, cleaner, and more predictable builds for Java projects that have evolved dramatically over the past fifteen years.
This guide systematically covers common Maven dependency resolution failures—including stale SNAPSHOTs, missing artifacts, version mismatches, and local‑only builds—by explaining underlying mechanisms, providing a step‑by‑step troubleshooting checklist, and offering concrete commands and configuration examples to resolve each scenario.
Spring Cloud 2025.1.0 removes the long‑standing spring-cloud-starter-parent, simplifying dependency management, aligning with Spring Boot 4, and improving flexibility, while the article explains the reasons, community reaction, and step‑by‑step migration guidance.
This guide walks you through configuring JDK and Maven, installing essential VS Code extensions for Java development, setting up MySQL, creating a Spring Boot project with Maven, and running it using the Cursor IDE, including tips for troubleshooting common version and configuration errors.
IntelliJ IDEA 2025.3.1 introduced severe Maven project initialization memory leaks and WSL2 file‑system configuration resets, causing IDE freezes and OOM crashes, but JetBrains addressed these issues in the 2025.3.1.1 update and provides temporary workarounds such as cache cleanup, icon disabling, and registry tweaks.
This article explains how Maven‑mvnd accelerates Java project builds by using a long‑running daemon to eliminate JVM startup overhead, reduces resource consumption, improves multi‑module builds, and provides step‑by‑step installation, configuration, and usage instructions with practical command examples.
After upgrading IntelliJ IDEA, a Java project fails with the error ‘cannot access org.springframework.boot.SpringApplication – class file has wrong version 61.0’, which can be resolved by adjusting Maven runner settings to delegate IDE build actions to Maven and restarting the IDE.
Learn how to avoid creating a fat JAR by packaging your own Java classes into a standalone jar while placing third‑party dependencies in a dedicated lib folder, using Maven plugins and configuration steps demonstrated with a sample project, pom.xml, and runtime command.
This guide explains how to integrate Spring Boot DevTools into a Spring Boot project to achieve automatic hot deployment and remote debugging, covering Maven dependency setup, IDE configuration, Docker packaging, and step‑by‑step code examples.
This guide explains how to set up the open‑source Arthas Tunnel Server—covering its core features, Maven build steps, IDE and command‑line startup, Docker and Helm deployment options, and integration into Spring Boot applications using the eden‑architect framework.
This article explains Java's Service Provider Interface (SPI), compares it with traditional APIs, and provides a step‑by‑step guide to create a multi‑module Maven project, custom class loader, and Spring Boot application that dynamically loads authentication plugins from external JARs.
This guide explains why Java developers often need to return multiple values, introduces the javatuples library as a lightweight solution, and walks through adding the Maven dependency, using core tuple classes, creating tuples via factories or constructors, accessing and modifying elements, and converting tuples to collections or arrays.
JUnit 5 introduces a modular architecture with Platform, Jupiter, and Vintage, adds a fresh annotation model, dynamic and parameterized tests, tagging, exception assertions, and nested tests, and offers clear advantages over JUnit 4, as demonstrated through a complete Calculator example and Maven execution.
The author reviews common Java desktop packaging methods—GraalVM, JLink, Exe4J, batch scripts, and plain JAR—detailing their advantages and drawbacks, then demonstrates a custom WinForm‑based packaging utility that bundles a Swing application and a trimmed JRE into a single executable for double‑click launch.
This article walks through analyzing a Spring Boot microservice project, configuring parent and child Maven pom files, packaging the required backend modules, and deploying both the backend JARs and the frontend static assets to a server using Java and http‑server.
This article showcases a series of real‑world development cases—from implementing a guided inventory task in a Java backend and generating Vue rule code, to writing unit tests, analyzing report data, converting SQL to Hive, debugging startup errors, publishing Maven APIs, optimizing slow SQL queries, and resolving MySQL deadlocks—demonstrating how AI‑driven prompts can accelerate coding, testing, and troubleshooting across multiple domains.
This guide explains how to split a large Java project into Maven modules, use parent‑project inheritance and aggregation to share configurations, manage dependency versions with dependencyManagement, and configure a private repository for releasing SNAPSHOT and RELEASE artifacts, complete with practical code snippets and step‑by‑step instructions.
This guide explains Java's Service Provider Interface (SPI), contrasts it with traditional APIs, and walks through creating a multi‑module Maven project that uses SPI, a custom class loader, and external JAR loading to implement a flexible authentication plugin in a Spring Boot application.
When Alibaba archived the popular EasyExcel library, developers faced uncertainty about future maintenance, memory usage, and JDK compatibility, prompting the emergence of FastExcel as a drop‑in replacement and the Apache‑incubated Fesod project, which together offer a high‑performance, low‑memory Java Excel processing ecosystem.
This guide explains how to view the Maven dependency tree using IntelliJ IDEA, the command line, or the Maven Helper plugin, identify conflicting JARs, and resolve them with exclusion rules or dependencyManagement, providing clear examples and step‑by‑step commands for Java backend developers.
This guide walks through setting up a three‑server environment (GitLab, Jenkins, test server), creating a GitLab project, configuring a Java Spring Boot application in IntelliJ, and using Jenkins with Maven, SSH Publisher, and custom pre/post steps to automatically build, package, and deploy a JAR file.
This guide walks you through setting up a Jakarta EE project, configuring Maven and WildFly, adding security constraints and login settings in web.xml, defining users and roles, and testing basic authentication with curl to protect a simple RESTful endpoint.
This step‑by‑step guide shows how to set up a three‑server environment with GitLab, Jenkins, and a test machine, configure Git repositories, create a Spring Boot project in IntelliJ, install Maven and SSH Publisher plugins in Jenkins, and automate building, packaging, and deploying a JAR file via SSH while handling cleanup and port conflicts.
This article introduces Maven‑mvnd, a daemon‑based Maven wrapper that dramatically reduces build time and resource usage for Java projects, explains its key features, provides step‑by‑step installation and configuration instructions, and compares its packaging performance against standard Maven.
This guide explains what mvnd is, how to download and install it, configure Maven and environment variables, fix PowerShell encoding issues, and presents a detailed performance comparison showing multi‑module builds can be up to 5.5× faster than using traditional Maven.
This step‑by‑step guide explains why you might need a custom Jenkins plugin, walks you through setting up Java 21 and Maven, generating a plugin project with the Jenkins archetype, building and locally testing it, and finally publishing it to the Jenkins Marketplace with best‑practice tips for security, CI, versioning, and community engagement.
The article introduces Maven mvnd, explains its daemon‑based architecture, shows benchmark results where multi‑module builds run 3.5–5.5 times faster (up to 10× for single modules), and provides step‑by‑step installation, configuration, PowerShell encoding fixes, and IDEA integration guidance.
This tutorial walks you through setting up the JDK, Maven, and a Jakarta EE‑compatible server, generating a project with the Eclipse Starter, writing a simple REST endpoint, configuring the WildFly Maven plugin, and testing the service via a browser or curl, all with concrete code examples.
This guide explains Maven's core plugin architecture, demonstrates practical configurations for flatten‑maven‑plugin and exec‑maven‑plugin, details the MOJO concept behind plugins, and walks through creating, installing, and binding a custom Maven plugin to the build lifecycle.
This guide shows how to view a Maven project's dependency tree using IDEA, the mvn command, or the Maven Helper plugin, identify version conflicts, and resolve them either by adding exclusion entries or by enforcing versions through dependencyManagement, with concrete code examples and screenshots.
This guide shows how to view the Maven dependency tree in IntelliJ, use the mvn dependency:tree command, leverage the Maven Helper plugin, identify conflicting JARs, and resolve them with exclusion rules or dependencyManagement to ensure the correct versions are used.
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.
Learn how Maven‑mvnd accelerates Java project builds by keeping a persistent daemon, reducing JVM startup overhead, lowering CPU and memory usage, and offering seamless migration from Maven, with detailed installation, configuration, usage steps, and a speed comparison against traditional Maven builds.
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.
Learn step‑by‑step how to set up a basic CI/CD workflow using Jenkins, Maven, and Git on three servers—GitLab for source control, Jenkins for building a Spring Boot JAR, and a test server for deployment—covering prerequisites, environment setup, Jenkins configuration, and post‑deployment scripts.
This step‑by‑step guide shows how to set up a three‑server environment with GitLab, Jenkins, and a test machine, configure Maven and SSH Publisher plugins, create a Spring Boot project, and automate code push, build, deployment, and cleanup using Jenkins pipelines and shell scripts.
This guide outlines a flexible, modular Java backend architecture designed to improve delivery efficiency and reduce coupling, detailing the purpose, scope, project structure, module classifications, dependency rules, package management, and build configuration for architects and backend engineers.
This step‑by‑step guide shows how to set up a three‑server environment with GitLab, Jenkins, and a test machine, create a GitLab project and token, configure Maven and Jenkins, and automate building, deploying, and running a Spring Boot JAR using SSH and cleanup scripts.
This comprehensive guide walks you through Maven's core concepts—including repository setup, basic POM coordinates, dependency management, handling transitive dependencies, exclusions, variable properties, multi‑module projects, and powerful plugins such as jar, assembly, and shade—while also covering build‑time settings like compiler version, resource exclusion, and main‑class configuration.
This comprehensive guide walks Java developers through Maven's core concepts, including repository setup, basic pom.xml elements, dependency scopes, transitive dependencies, exclusions, module configuration, unified dependency management, and powerful plugins for jar creation, assembly, and shading, enabling efficient build automation.
This guide walks you through setting up a basic CI/CD workflow using Jenkins, Maven, and Git on three servers—GitLab, Jenkins, and a test machine—covering prerequisites, project creation, pipeline configuration, Maven builds, SSH publishing, and cleanup scripts to achieve automated deployment.
This article walks through setting up three servers (GitLab, Jenkins, and a test machine), creating a GitLab project and token, configuring Maven and Jenkins plugins, defining Git, branch, and Maven settings, and implementing pre‑ and post‑steps—including a cleanup script and SSH publishing—to automatically build and deploy a Spring Boot JAR, while addressing common pitfalls such as missing manifest attributes and port conflicts.
Maven‑mvnd introduces a long‑running daemon, GraalVM native binaries, and seamless Maven compatibility to cut JVM startup overhead, lower CPU/memory use, and accelerate multi‑module builds, offering a low‑risk path to faster Java project compilation.
Learn how to integrate EasyExcel into a Java Spring Boot project, covering dependency setup, entity definition, utility class creation, basic and advanced export features such as multi-level headers, merged cells, custom formatting, and large data streaming, plus common pitfalls and solutions.
This article provides a comprehensive guide to Maven, covering repository configuration, basic pom structure, dependency management, module organization, plugin usage (jar, assembly, shade), and build settings such as JDK version, resource exclusion, and main class definition, helping developers streamline Java project builds.
This guide walks you through configuring Spring Boot DevTools for automatic restart and live reload, covering Maven dependencies, plugin settings, IDE options, application property examples, usage caveats, verification steps, and alternative tools for advanced hot deployment.
This guide walks you through building an efficient CI/CD pipeline using Jenkins and Docker, covering benefits, architecture design, Maven‑based Docker image creation, Alibaba Cloud registry integration, custom Jenkins Docker image setup, permission handling, GitLab webhook configuration, and deployment automation with scripts.
This article provides a step‑by‑step guide to setting up Jenkins for automated CI/CD, covering pipeline workflow, installation, required plugins, global tool configuration, Gitee and SSH integration, Maven project setup, post‑build deployment scripts, and how to run and verify builds.
This article introduces a custom IntelliJ IDEA plugin that automates the creation of Maven multi‑module Java projects, turning a tedious half‑hour setup into a 30‑second one‑click process, while offering smart dependency wiring, customizable templates, and detailed installation and usage instructions.
This guide walks you through creating a SpringBoot parent project, adding common, business, and API‑gateway submodules, configuring dependency management, structuring the repository, isolating logs, and building or running individual modules, while highlighting common pitfalls and best‑practice layouts.
This guide explains why adding the javacv‑platform dependency inflates a Java project's JAR to hundreds of megabytes and shows how to configure Maven to include only the needed native libraries, dramatically reducing size, build time, and deployment overhead.
This guide presents a comprehensive set of methods for configuring Spring Boot Maven startup parameters—including JVM memory, active profiles, and system properties—across development, testing, and production environments, with practical examples, best‑practice recommendations, and CI/CD integration tips.
Learn to compile a Spring Boot 3.5.6 application into a fast-starting native binary using GraalVM, configure the environment, add Maven plugins, write simple test code, and package the result into a lightweight Docker image, achieving dramatically reduced startup time and image size.
This guide explains how to load external JAR files into the JVM, configure SpringBoot to recognize them, and choose among several class‑loading strategies—including expanding the classpath, using the loader.path parameter, or implementing a custom classloader—while providing Maven configuration examples and code snippets.
This article introduces a Maven aggregation plugin for IntelliJ IDEA that automates the creation of multi‑module Java projects, detailing its core features, installation methods, step‑by‑step usage, customization options, and troubleshooting tips to dramatically reduce setup time.
This article walks you through a Maven aggregation plugin for IntelliJ IDEA that automates multi‑module project creation, configures pom dependencies, supports custom templates, and solves common setup pain points, turning a half‑hour task into a 30‑second operation.
This tutorial walks through using the Lingma AI assistant to automatically create, configure, and run a full Java Maven e‑commerce order project—including environment setup, SQLite persistence, CRUD services, unit tests, and architecture visualization—showing each prompt, command, and generated code snippet.
Discover how to dramatically speed up Java Maven multi‑module project creation by using a custom IntelliJ plugin that generates full module structures, configures dependencies, and applies best‑practice settings in seconds, complete with installation methods, usage tips, and troubleshooting advice.
This article introduces a custom IntelliJ IDEA plugin that automates the creation of Maven multi‑module projects, allowing developers to generate full directory structures, pom dependencies, and configuration files with a single command, dramatically reducing setup time from minutes to seconds.
This article explains Java's reverse domain naming convention, shows a typical Maven project layout, and outlines how using reversed domain prefixes in package names prevents naming conflicts, ensures global uniqueness, enhances readability, and supports logical layering of code modules.
This comprehensive tutorial explains what Jenkins is, why continuous integration matters, and provides detailed, platform‑agnostic instructions for installing JDK, setting up Jenkins, integrating Git and Maven, configuring credentials, enabling SSH keyless login, and creating deployment scripts to automate Java application builds and releases.
