Modscraper Modscraper Minecraft

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FullStack Watchdog

Mod

by telepathicgrunt

Make Watchdog crashes show all the code that was running for all threads

Type

Mod

CurseForge Downloads

23,153,817

CurseForge ID

849817

Modrinth Downloads

2,926,809

Modrinth ID

oZiSDGCi

Last Updated

Sep 5, 2026

Description

This is a tiny **server-sided** mod that makes it so that the logs show more information when the Watchdog system on the server has killed the server due to being deadlocked or stuck so long. The crash report log will now show all of the code that was running at the time of the deadlocked server. In other words, the full stacktrace of all threads instead of the normally truncated (shortened) version.   In theory, this should help with diagnosing what modded code or mixin has caused an "off-thread" to lock up. When a thread locks up, the server thread gets stuck and if it remains stuck for so long, the Watchdog kills it because a tick took too long to complete. **It won't help solve all deadlock issues.** But it might get you just enough info to track down the cause of a few deadlocks. Image below is an example of before and after this mod is put on **(Gallery tab shows image better)**:  ![Example of improvement](https://cdn.modrinth.com/data/oZiSDGCi/images/41969c24917aacdc6741bb68413cb3b81acaa2a2.png)   **Yes you may ship this mod in a modpack.** The client can also have this mod on but it won't do anything on client since the Watchdog system is only ran on servers. You can also run servers with this mod only on the server. Clients without this mod can still connect. **NOTE 1:** NeoForge 20.4.107 and newer already has this mod merged into it! You do not need this mod in NeoForge for 1.20.4 MC or newer! https://github.com/neoforged/NeoForge/pull/512 **NOTE 2:** Fabric API 0.104.0+1.21.2 and newer already has this mod merged into it! You do not need this mod in Fabric for 1.21.2 MC or newer! https://github.com/FabricMC/fabric/pull/4052

Compatibility

Mod Loaders

Fabric Forge Neoforge

Game Versions

1.16.5 1.17.1 1.18 1.18.1 1.18.2 1.19 1.19.1 1.19.2 1.19.3 1.19.4 +9 more

Recommended Gear

Affiliate

Hardware and extras that pair well with this mod.

LEGO Minecraft Set

LEGO Minecraft Set

Official sets that translate the building side of the game off-screen.

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As an Amazon Associate I earn from qualifying purchases.

Screenshots

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Included in Modpacks (72)

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External Resources

CurseForge Modrinth Source Code Issues