Minecraft Forums

Time: 3/9/14 12:04 PM
Description: Exception in server tick loop

java.util.ConcurrentModificationException
at java.util.HashMap$Ha­erator.nextEntry(Unknown Source)
at java.util.HashMap$KeyIterator.next(Unknown Source)
at net.minecraft.entity.EntityTracker.func_72788_a(EntityTracker.java:259)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:680)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:587)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:129)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:484)
at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:583)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
Minecraft Version: 1.6.4
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_51, Oracle Corporation
Java VM Version: Java HotSpot™ 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 256415376 bytes (244 MB) / 904396800 bytes (862 MB) up to 954728448 bytes (910 MB)
JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
AABB Pool Size: 8697 (487032 bytes; 0 MB) allocated, 8271 (463176 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 71
FML: MCP v8.11 FML v6.4.49.965 Minecraft Forge 9.11.1.965 37 mods loaded, 37 mods active
mcp{8.09} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FML{6.4.49.965} [Forge Mod Loader] (minecraftforge-9.11.1.965.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge{9.11.1.965} [Minecraft Forge] (minecraftforge-9.11.1.965.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
LumberJack{1.6.4b} [LumberJack] ([1.6.4][c][forge]LumberJack.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
bspkrsCore{v5.3(1.6.4)} [bspkrsCore] ([1.6.4]bspkrsCorev5.3.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
cfm{3.2.7} [§4MrCrayfish's Furniture Mod] ([Forge]FurnitureModv3.2.7(1.6.4).zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ccm{1.0.1} [MrCrayfish's Construction Mod] ([Forge]MrCrayfishConstructionModv1.0.5 (1.6.4).zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
animalbikes{2} [AnimalBikes] (AnimalBikes_1.6.2-1.6.4.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ArchimedesShipsMod{1.6.4 v1.4.5} [Archimedes' Ships] (ArchimedesShips.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Artifice{1.6.4R1.1.3} [Artifice] (Artifice-1.1.3-243.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ArtificeCompat|EE3{1.6.4R1.1.3} [Artifice Compat: EE3] (Artifice-1.1.3-243.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ArtificeCompat|Forestry{1.6.4R1.1.3} [Artifice Compat: Forestry] (Artifice-1.1.3-243.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ArtificeCompat|Vanilla{1.6.4R1.1.3} [Artifice Compat: Vanilla] (Artifice-1.1.3-243.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ArtificeCompat|MFR{1.6.4R1.1.3} [Artifice Compat: MFR] (Artifice-1.1.3-243.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ArtificeCompat|Buildcraft{1.6.4R1.1.3} [Artifice Compat: Buildcraft] (Artifice-1.1.3-243.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ArtificeCompat|ForgeMicroblock{1.6.4R1.1.3} [Artifice Compat: ForgeMicroblock] (Artifice-1.1.3-243.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ArtificeCompat|Thaumcraft{1.6.4R1.1.3} [Artifice Compat: Thaumcraft] (Artifice-1.1.3-243.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Autoutils{1.0.1} [Autoutils] (autoutils-1.6.4-1.0.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
AWWayofTime{v0.7.2} [Blood Magic: Alchemical Wizardry] (Blood Magic v0.7.2a.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Chisel{1.5.0} [Chisel] (chisel-1.6.4-1.5.0fix.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
CustomSpawner{3.0.0} [DrZhark's CustomSpawner] (CustomMobSpawner 3.0.0.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MoCreatures{6.1.0} [DrZhark's Mo'Creatures Mod] (DrZharks MoCreatures Mod v6.1.0.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ExtraButtons{1.6.4.1} [ExtraButtons] (ExtraButtons-1.6.4.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FlansMod{4.1.1} [Flans Mod] (FlansMod-4.1.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
guilib{1.0.6.1} [GUI Library] (Forge_GuiLibv1.0.6.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FortuneOres{1.5} [FortuneOres] (FortuneOres-MC1.6-1.6.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mod_Kitchens{1.6.4} [Kitchens] (kitchens_1-6-4-6.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mca{3.6.0} [Minecraft Comes Alive] (MCA-3.6.0 MC-1.6.4.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
pamharvestcraft{1.0} [Pam's HarvestCraft Base] (Pam's HarvestCraft 1.6.4 v1.1.4.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
renkin42swt{164.a} [Stuff Worth Throwing (Renkin42's Base Mod)] (Renkin42SWT-164.a.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
secretroomsmod{4.6.2} [The SecretRoomsMod] (SecretRoomsMod-universal-1.6.4-4.6.2.323.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
staircraftmod{1.6} [Staircraft] (Staircraftmod 1.6 - 1.6.4 Forge.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Statues{2.1.1} [Statues] (statues-1.6.4-2.1.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
taverns{2.1.6-2} [Village Taverns] (VillageTaverns-2.1.6-2.14.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
weaponmod{1.6.2 v1.13.6} [Balkon's WeaponMod] (WeaponMod.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mod_ZanMinimap{0.9.4} [Zan's Minimap] (ZansMinimap1.6.4.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MSC2{1.1.0} [Mob Spawn Controls 2] (Forge_MSC2v1.1.0.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Profiler Position: N/A (disabled)
Vec3 Pool Size: 2793 (156408 bytes; 0 MB) allocated, 2472 (138432 bytes; 0 MB) used
Player Count: 2 / 8; [EntityPlayerMP['LordBittmann'/1817, l='Baba Yetu', x=-484.04, y=91.61, z=167.76], EntityPlayerMP['strawberrypoop'/42305, l='Baba Yetu', x=-432.40, y=71.53, z=155.26]]
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'