warningMod ErrorsAffects: All modded versions
How to Fix Mod Memory Leaks
Fix Mod Memory Leaks by using Spark profiler to identify and report the leaking mod.
Quick Fix
Use Spark profiler to identify the mod leaking memory. /spark heapdump to analyze heap usage.
Error Message
Gradual memory increase / OutOfMemoryError after extended playHow to Fix
1
Install Spark profiler
2
Run /spark heapdump and analyze with Eclipse MAT
3
Update the leaking mod
4
Restart the game periodically as a workaround
5
Report the leak to the mod developer with heap dump data
Common Causes
- Mod not releasing references to objects
- Event handler accumulating data
- Texture or model cache growing unbounded
Diagnostic Steps
- Install Spark
- Play until memory grows high
- Take a heap dump
- Analyze for retained objects
FAQ
How do I know if a mod is leaking memory?
If memory usage keeps growing and never decreases during GC, there is a leak. Spark heap dump will show which objects are accumulating.