---- Minecraft Crash Report ----
// Hi. I'm Minecraft, and I'm a crashaholic.
Time: 2025-10-13 19:46:20
Description: Exception in server tick loop
java.lang.IllegalStateException: Failed to initialize server
at TRANSFORMER/minecraft@1.21.9/net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:725) ~[forge-1.21.9-59.0.5-server.jar!/:?]
at TRANSFORMER/minecraft@1.21.9/net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:284) ~[forge-1.21.9-59.0.5-server.jar!/:?]
at java.base/java.lang.Thread.run(Thread.java:1583) [?:?]
Transformer Audit:
net.minecraft.server.MinecraftServer
REASON: classloading
PLUGIN: accesstransformer:BEFORE
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- System Details --
Details:
Minecraft Version: 1.21.9
Minecraft Version ID: 1.21.9
Operating System: Windows 10 (amd64) version 10.0
Java Version: 21.0.7, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode, sharing), Oracle Corporation
Memory: 90193928 bytes (86 MiB) / 339738624 bytes (324 MiB) up to 4282384384 bytes (4084 MiB)
CPUs: 8
Processor Vendor: GenuineIntel
Processor Name: Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz
Identifier: Intel64 Family 6 Model 58 Stepping 9
Microarchitecture: Ivy Bridge (Client)
Frequency (GHz): 3.41
Number of physical packages: 1
Number of physical CPUs: 4
Number of logical CPUs: 8
Graphics card #0 name: NVIDIA GeForce GTX 1050 Ti
Graphics card #0 vendor: NVIDIA
Graphics card #0 VRAM (MiB): 4096.00
Graphics card #0 deviceId: VideoController1
Graphics card #0 versionInfo: 32.0.15.8129
Memory slot #0 capacity (MiB): 8192.00
Memory slot #0 clockSpeed (GHz): 1.60
Memory slot #0 type: DDR3
Memory slot #1 capacity (MiB): 8192.00
Memory slot #1 clockSpeed (GHz): 1.60
Memory slot #1 type: DDR3
Virtual memory max (MiB): 21704.77
Virtual memory used (MiB): 6461.89
Swap memory total (MiB): 5376.00
Swap memory used (MiB): 0.00
Space in storage for jna.tmpdir (MiB): <path not set>
Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): <path not set>
Space in storage for io.netty.native.workdir (MiB): <path not set>
Space in storage for java.io.tmpdir (MiB): available: 450275.28, total: 953751.00
Space in storage for workdir (MiB): available: 450275.28, total: 953751.00
JVM Flags: 0 total;
Debug Flags: 0 total;
Server Running: true
Active Data Packs: vanilla, mod:forge (incompatible)
Available Data Packs: minecart_improvements, mod:forge (incompatible), redstone_experiments, trade_rebalance, vanilla
Enabled Feature Flags: minecraft:vanilla
World Generation: Stable
World Seed: 7337146887455192698
Suppressed Exceptions: ~~NONE~~
Is Modded: Definitely; Server brand changed to 'forge'
Type: Dedicated Server (map_server.txt)
ModLauncher: 10.2.4
ModLauncher launch target: forge_server
ModLauncher naming: mcp
ModLauncher services:
/ slf4jfixer PLUGINSERVICE
/ runtimedistcleaner PLUGINSERVICE
/ runtime_enum_extender PLUGINSERVICE
/ capability_token_subclass PLUGINSERVICE
/ accesstransformer PLUGINSERVICE
/ mixin PLUGINSERVICE
/ fml TRANSFORMATIONSERVICE
/ forge TRANSFORMATIONSERVICE
/ mixin TRANSFORMATIONSERVICE
FML Language Providers:
lowcodefml@59
minecraft@1.0
javafml@59.0.5
Mod List:
forge-1.21.9-59.0.5-server.jar |Minecraft |minecraft |1.21.9 |DONE |Manifest: NOSIGNATURE
forge-1.21.9-59.0.5-universal.jar |Forge |forge |59.0.5 |DONE |Manifest: NOSIGNATURE
Crash Report UUID: 47e820c1-b04c-460c-a7ed-fc6107e9cc4d
FML: 59.0
Forge: net.minecraftforge:59.0.5
Transformer Audit:
net.minecraft.server.MinecraftServer
REASON: classloading
PLUGIN: accesstransformer:BEFORE