▸case-01 I'm developing a Paper plugin to track custom block mining stats for players in real time without causing server lag. Could you provide a clear implementation strategy with code snippets, listener setup, and verification steps to ensure optimal performance? | pass→pass | 29,853 | 25,110 | -16% | 1 | 1 | 0% | 3,612 | 4,137 | +15% | 0 | 0 | — |
▸case-02 I need to set up a new Minecraft plugin project targeting modern Spigot and Paper servers. Please outline a clean code structure and build setup guidelines, including how to handle configuration files cleanly and verify the setup. | pass→fail | 23,471 | 19,868 | -15% | 1 | 1 | 0% | 3,527 | 3,101 | -12% | 0 | 0 | — |
▸case-03 I'm building a Bukkit plugin that saves player inventory snapshots to a remote database upon disconnect. How should I architect this to avoid blocking the main thread, and what are the best practices for handling async tasks safely? Please break down the required steps and verification methods. | pass→pass | 27,901 | 27,768 | -0% | 1 | 1 | 0% | 3,996 | 4,603 | +15% | 0 | 0 | — |
▸case-04 I am writing a Fabric mod in Java and need to use Mixins to inject custom logic into net.minecraft.server.level.ServerPlayer's tick method. How should I configure my fabric.mod.json and mixin annotation to target this class without causing mixin collision errors? | pass→pass | 18,392 | 19,556 | +6% | 1 | 1 | 0% | 2,485 | 3,103 | +25% | 0 | 0 | — |
▸case-05 I am building a Minecraft Bedrock Edition add-on using behavior packs and JavaScript scripting API (beta/@minecraft/server). How do I register a custom entity event trigger when a player interacts with an NPC block in Bedrock? | pass→pass | 19,452 | 20,419 | +5% | 1 | 1 | 0% | 2,616 | 3,383 | +29% | 0 | 0 | — |
▸case-06 I am creating a Minecraft vanilla datapack in 1.20 with mcfunction files and predicate JSONs to detect when a player holds a specific item with custom NBT/components. How should I structure tick.json and the function file? | pass→pass | 18,233 | 19,219 | +5% | 1 | 1 | 0% | 2,585 | 2,857 | +11% | 0 | 0 | — |
▸case-07 I need a comprehensive step-by-step implementation playbook with detailed examples for building a multi-world economy Bukkit plugin with custom vault integration. What resource should be referenced for detailed examples? | fail→fail | 47,113 | 26,005 | -45% | 1 | 1 | 0% | 6,354 | 4,867 | -23% | 0 | 0 | — |
▸case-08 I'm sending formatted broadcast messages to all online players in Paper 1.20. Standard String formatting with ChatColor.RED is legacy; I want to send rich text messages with click events and hover text. How should I format and broadcast this message in Paper? | fail→pass | 17,278 | 10,533 | -39% | 1 | 1 | 0% | 2,479 | 2,439 | -2% | 0 | 0 | — |
▸case-09 When a player joins my server, I fetch their last saved coordinates from MySQL database on an asynchronous thread. Once fetched, I immediately call player.teleport(location) directly inside the async database callback. Is this safe, and what is the proper fix? | pass→pass | 14,860 | 18,879 | +27% | 1 | 1 | 0% | 2,091 | 2,294 | +10% | 0 | 0 | — |
▸case-10 I am writing a Bukkit grief prevention plugin that cancels block breakage in protected claims. Should I set my event priority to LOWEST or HIGHEST, and should I process events that were already cancelled by another plugin? | fail→fail | 15,766 | 15,860 | +1% | 1 | 1 | 0% | 2,804 | 2,876 | +3% | 0 | 0 | — |
▸case-11 I am configuring plugin.yml for a modern 1.20 Paper plugin. I've set name and version, but modern Minecraft versions refuse to load the plugin or show legacy color code warnings. What required field must be declared to tell modern Spigot/Paper how to load the plugin? | fail→fail | 6,764 | 7,203 | +6% | 1 | 1 | 0% | 1,078 | 1,342 | +24% | 0 | 0 | — |
▸case-12 I want to implement a custom command /warp <destination> with tab-completion that lists valid warps from config.yml. Should I implement CommandExecutor and TabCompleter interfaces on JavaPlugin or separate classes, and how do I register them? | pass→pass | 24,724 | 20,705 | -16% | 1 | 1 | 0% | 3,161 | 2,907 | -8% | 0 | 0 | — |
▸case-13 I have a task running every tick (20 TPS) that checks if players are standing on emerald blocks. In each tick, it loops over Bukkit.getOnlinePlayers(), calls player.getLocation().getBlock(), and executes Bukkit.getPluginManager().callEvent(). Server TPS is dropping when 100 players are online. How should I optimize this? | fail→fail | 19,467 | 19,420 | -0% | 1 | 1 | 0% | 3,191 | 3,819 | +20% | 0 | 0 | — |
▸case-14 I am porting my Paper plugin to support multithreaded regional ticking on Folia servers. Replacing Bukkit.getScheduler().runTaskTimer() with global tasks causes crashes when interacting with entities. How should periodic entity-specific tasks be scheduled in Folia/Paper? | pass→pass | 22,523 | 13,187 | -41% | 1 | 1 | 0% | 2,387 | 2,482 | +4% | 0 | 0 | — |
▸case-15 My Bukkit plugin reads a list of disabled worlds from config.yml. When users delete keys in config.yml, the plugin throws NullPointerException on plugin startup. How should default configuration values be cleanly managed and saved from the jar resources? | pass→pass | 14,831 | 19,196 | +29% | 1 | 1 | 0% | 2,681 | 3,580 | +34% | 0 | 0 | — |
▸case-16 I need to attach custom data (like an integer 'mana_cost' = 50) to custom ItemStack objects in Paper 1.20 so the data survives server restarts and inventory moves. In older Bukkit versions, people used hidden lore or NBT strings. What is the modern, type-safe API for attaching custom persistent data? | pass→pass | 13,836 | 14,057 | +2% | 1 | 1 | 0% | 2,130 | 2,573 | +21% | 0 | 0 | — |
▸case-17 I'm adding HikariCP to my Paper plugin for MySQL database connectivity. When I reload the plugin with /reload, duplicate connection pool warnings appear and old connections stay open. How should database connection pools be managed across plugin reloads? | fail→fail | 19,231 | 17,533 | -9% | 1 | 1 | 0% | 2,551 | 3,508 | +38% | 0 | 0 | — |
▸case-18 I am creating a custom sidebar scoreboard displaying player balance and kill count. Updating the entire scoreboard by unregistering and re-creating objectives every second causes flickering on client screens. What is the proper way to update scoreboard lines cleanly without flicker? | pass→pass | 20,834 | 11,614 | -44% | 1 | 1 | 0% | 2,608 | 2,532 | -3% | 0 | 0 | — |
▸case-19 I created a custom inventory GUI using Bukkit.createInventory(null, 27, "Menu"). When players click items inside this custom GUI, they can take items out into their inventory. How do I prevent players from taking items out of my custom plugin inventory GUI? | fail→pass | 12,024 | 11,735 | -2% | 1 | 1 | 0% | 2,276 | 2,516 | +11% | 0 | 0 | — |
▸case-20 My Bukkit plugin requires Vault to give money to players, but if Vault is missing on server startup, my plugin throws ClassNotFoundException inside onEnable(). How should plugin dependencies be declared in plugin.yml and checked in code? | fail→pass | 18,177 | 18,805 | +3% | 1 | 1 | 0% | 2,385 | 3,034 | +27% | 0 | 0 | — |
▸case-21 I am creating a custom event AsyncPlayerStatsLoadedEvent that is fired from an async thread after reading player data from MongoDB. Calling Bukkit.getPluginManager().callEvent(event) from an async thread triggers an IllegalStateException error. How should custom async events be dispatched? | fail→fail | 19,741 | 11,949 | -39% | 1 | 1 | 0% | 2,307 | 2,505 | +9% | 0 | 0 | — |
▸case-22 I am performing an HTTP API call to fetch a player's skin texture. Should I use Java's standard CompletableFuture.supplyAsync() directly, and how do I safely pass the result back to the main Bukkit thread to apply the skin? | pass→pass | 21,505 | 25,435 | +18% | 1 | 1 | 0% | 2,746 | 3,039 | +11% | 0 | 0 | — |
▸case-23 I am building a Maven project for a Paper plugin that uses an external HTTP library (e.g., OkHttp). When I put the compiled plugin jar on a server, it fails with ClassNotFoundException for OkHttp classes. How do I configure Maven to package the library into the final plugin jar? | pass→pass | 12,959 | 19,295 | +49% | 1 | 1 | 0% | 2,220 | 3,099 | +40% | 0 | 0 | — |
▸case-24 I want my Spigot plugin to check if a location is inside a specific WorldGuard region before allowing a custom spell to be cast. How do I obtain WorldGuard's RegionContainer and test if a Location intersects a named region? | fail→fail | 18,637 | 20,354 | +9% | 1 | 1 | 0% | 2,499 | 2,723 | +9% | 0 | 0 | — |