minecraft-plugin-dev

To build a Minecraft Paper plugin for 1.21.x, create a JavaPlugin-based project using Gradle Kotlin DSL and Java 21. Configure your plugin.yml or paper-plugin.yml, then implement event listeners, commands, and schedulers to define server-side behavior.

Setting up a Paper plugin project requires Java 21 and Gradle Kotlin DSL. You need to generate the project structure, define your plugin metadata in plugin.yml or paper-plugin.yml, and apply Paper-specific APIs for 1.21.x workflows to ensure proper server integration.

Folia-safe scheduling modifies traditional Spigot plugin scheduling to support Folia's regionized multithreading. When developing server-side behavior, you must use Folia-aware scheduling guidance to ensure tasks execute safely without breaking concurrent server region operations.

Yes, you can integrate Vault economy features and Adventure components in a Bukkit plugin. Implement Vault integration for economy management and use Adventure components to send rich chat messages, allowing complex gameplay and server logic within your JavaPlugin project.

Managing persistent data and config in a Minecraft server plugin involves using Paper-specific APIs for data storage and configuration management. By implementing persistent data containers and proper config files, you ensure player data and plugin settings survive server restarts reliably.

Paper plugin errors on Minecraft 1.21.x servers often stem from using outdated APIs or incorrect Java versions. Ensure your project targets Java 21, validates plugin.yml metadata correctly, and follows Folia-safe scheduling practices to prevent compatibility and runtime exceptions.