Packet Exception Logger

A simple Fabric mod to print out packet exceptions when they occur in client logs.

1.9K Downloads

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Rent Server with this Mod

About this Mod

A simple Fabric mod to print out packet exceptions when they occur in client logs.

This is primarily a developer tool and is designed to help server owners debug packet issues or exceptions.

This mod also works well in conjunction with StackDeobfuscator, which can be used to deobfuscate the stacktraces generated by this mod.

Available Versions

1.1.1release

MC 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8, 1.21.9, 1.21.10, 1.21.11, 26.1, 26.1.1, 26.1.2fabric

November 22, 2024

1.1.0release

MC 1.21fabric

July 1, 2024

How to Install Packet Exception Logger on Your Server

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (26.1.2).

Install Mod

Open the mod browser in the dashboard and search for "Packet Exception Logger". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

26.1.2, 26.1.1, 26.1 (+12 more)

Server-side

~ Optional

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Packet Exception Logger server crashes on startup – what to do?

Most common cause: wrong fabric 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 (26.1.2). You can switch loaders with one click in the panel.

Is Packet Exception Logger compatible with fabric?

Packet Exception Logger officially supports fabric for Minecraft 26.1.2, 26.1.1, 26.1. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Packet Exception Logger – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Packet Exception Logger 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.