Fixing Minecraft Server Freezes With CustomDiscs

Have you ever experienced your Minecraft server freezing indefinitely, leaving you stranded in a digital limbo? This frustrating issue, especially when it points to a specific plugin like CustomDiscs, can turn your fun server into a perplexing puzzle. If your server freezes when loading and refuses to proceed past a certain point, particularly after enabling a plugin like CustomDiscs, you're not alone. This guide will walk you through understanding why these freezes happen and provide a step-by-step troubleshooting process to get your server back up and running smoothly. We'll dive into server logs, explore plugin compatibility, and offer practical solutions to help you identify and resolve the root cause of your server's perplexing behavior.

Understanding the Server Freeze Phenomenon

When your Minecraft server freezes when loading, it's not simply crashing; it's entering a state where it stops responding to input, processing tasks, or producing further log entries. This can be more challenging to diagnose than a typical crash, which usually generates an error report. The problem often stems from a variety of sources, including plugin conflicts, resource starvation, or incompatible software versions. In your specific case, the log indicates the server halts after [CustomDiscs] Enabling CustomDiscs v2.3.0, strongly suggesting that the CustomDiscs plugin is directly involved in or at least triggering the freeze. This doesn't necessarily mean CustomDiscs is inherently 'bad' or broken; rather, it often highlights an interaction problem with your specific server setup, other plugins, or the underlying server software.

Server freezes can occur due to plugins attempting to access non-existent resources, entering infinite loops during initialization, or conflicting with the way other plugins or the server itself manages data or events. For instance, plugins that handle custom content, like CustomDiscs with its custom music, often need to load significant data, modify game mechanics, or interact with other low-level server components. This interaction usually involves ProtocolLib, a crucial dependency for many advanced plugins, including your voicechat plugin. If CustomDiscs tries to register a listener or modify packets in a way that conflicts with another plugin using ProtocolLib, or if ProtocolLib itself is unstable for your specific server version, it can lead to a deadlock or a complete halt. The lack of a stack trace in your log, which is common in freezes, makes direct pinpointing difficult, but careful analysis of the last few successful operations can provide strong clues. Understanding these underlying mechanisms is the first step towards effectively troubleshooting and resolving your server's unexpected pauses, ensuring a more reliable and enjoyable experience for everyone.

Diving Deep into Your Server Logs

Your server logs are like a digital diary, chronicling every event, command, and warning that your server encounters. When your Minecraft server freezes, the last few entries in this log become incredibly important clues. Let's break down the log you provided to understand what's happening. The log shows your server is running Purpur version 1.21.11-2542-HEAD@6452678, which is a highly optimized and customized server software. You're using Java 25, which is quite a modern Java version, along with several key plugins: CommandAPI v11.1.0, ProtocolLib v5.4.1-SNAPSHOT-468082c, voicechat v2.6.7, and CustomDiscs v2.3.0.

The critical part of your log occurs just before the freeze: [02:42:54 INFO]: [CustomDiscs] Enabling CustomDiscs v2.3.0 followed by a complete silence. This strongly suggests that the server freezes during the CustomDiscs plugin's enabling process. It doesn't crash; it just stops logging and responding. This is a classic symptom of a deadlock or an infinite loop within the plugin's initialization phase, or a severe conflict with another component. Several warnings appear earlier in the log that are worth noting: WARNING: A terminally deprecated method in sun.misc.Unsafe has been called by org.joml.MemUtil$MemUtilUnsafe and, more critically, [ProtocolLib] Version (MC: 1.21.11) has not yet been tested! Proceed with caution. The sun.misc.Unsafe warning, while often benign, indicates that some library is using an older, less stable Java feature, which could contribute to instability, especially with a newer Java version like 25. However, the ProtocolLib warning is a flashing red light. ProtocolLib is a fundamental dependency for many plugins that modify network packets, and if its version is marked as