Bundle Crash Fix
Prevent bad people from crashing your server with the Bundle crashing method
About this Mod
Bundle Crash Fix
Protect yourself from nasty cheaters trying to crash the server with Bundles!
Paper has fixed it in 1.21.4 #226
How it works
- A player crafts a bundle
- Sends specifically crafted packets that would crash Minecraft
- Bundle Crash Fix: Prevents the handling of the packet → the server doesn't even notice anything — no crash 🎉
Currently Supporting
- Bukkit
- Spigot
- Paper
- Purpur
- Folia
- Bungeecord
- Waterfall
- Velocity
- Fabric
- Quilt
- Forge
- NeoForge
Licensing
The plugin versions are licensed under the GNU General Public License v3.0 (GPL-3.0).
The mod versions are licensed under the GNU Lesser General Public License v3.0 (LGPL-3.0) to make modpack creation easier.
You can find more information in the LICENCE.md file.
Thanks to b0red for the awesome band-aid image used in the logo, available on Pixabay.
Available Versions
How to Install Bundle Crash Fix on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set bukkit Loader
In the panel under "Egg", select the bukkit loader and matching Minecraft version (1.21.4).
Install Mod
Open the mod browser in the dashboard and search for "Bundle Crash Fix". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.4, 1.21.3, 1.21.2
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Bundle Crash Fix server crashes on startup – what to do?
Most common cause: wrong bukkit version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.4). You can switch loaders with one click in the panel.
Is Bundle Crash Fix compatible with bukkit and bungeecord and fabric and folia and forge and neoforge and paper and purpur and quilt and spigot and velocity and waterfall?
Bundle Crash Fix officially supports bukkit, bungeecord, fabric, folia, forge, neoforge, paper, purpur, quilt, spigot, velocity, waterfall for Minecraft 1.21.4, 1.21.3, 1.21.2. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Bundle Crash Fix – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Bundle Crash Fix consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
Rent Modded Server
Install Bundle Crash Fix with just one click on your server.