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criticalJava ErrorsAffects: All versions

How to Fix Error: Maximum Lock Count Exceeded

Fix Maximum Lock Count Exceeded by identifying deadlocking mods from thread dumps and removing them.

Quick Fix

Identify the mod causing deadlocks from the thread dump and update or remove it.

Error Message

java.lang.Error: Maximum lock count exceeded

How to Fix

1

Generate a thread dump and analyze it for deadlocks

2

Remove recently added mods or plugins

3

Reduce the number of concurrent tasks on the server

4

Update the mod causing the issue

Common Causes

  • Thread deadlock in a mod or plugin
  • Recursive lock acquisition in mod code
  • Server overloaded with too many concurrent operations

Diagnostic Steps

  1. Check server logs for thread dumps
  2. Identify which mod's threads are deadlocked
  3. Update or remove that mod
  4. Restart the server

FAQ

What is a lock count?

Locks prevent multiple threads from accessing the same data simultaneously. Exceeding the count means a thread locked the same resource too many times without releasing.

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