Minecraft Forums

---- Minecraft Crash Report ----
// Shall we play a game?

Time: 5/19/15 1:16 PM
Description: Exception in server tick loop

java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429)
at java.util.HashMap$KeyIterator.next(HashMap.java:1453)
at net.minecraft.entity.EntityTracker.func_72788_a(EntityTracker.java:269)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:648)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:186)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)


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

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 319547896 bytes (304 MB) / 765095936 bytes (729 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
FML: MCP v9.05 FML v7.10.85.1291 Minecraft Forge 10.13.2.1291 Optifine OptiFine_1.7.10_HD_B6 52 mods loaded, 52 mods active
mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FML{7.10.85.1291} [Forge Mod Loader] (forge-1.7.10-10.13.2.1291.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge{10.13.2.1291} [Minecraft Forge] (forge-1.7.10-10.13.2.1291.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
AM2-Preloader{0.0.2} [AMCore] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
bettersleepingcore{1.0} [Better Sleeping Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
CodeChickenCore{1.0.4.29} [CodeChicken Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
NotEnoughItems{1.0.3.74} [Not Enough Items] (NotEnoughItems-1.7.10-1.0.3.74-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ThaumicTinkerer-preloader{0.1} [Thaumic Tinkerer Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
VeinMiner_coremod{0.27.1_build.unknown} [Core mod] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
OpenModsCore{0.7.1} [OpenModsCore] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
AnimationAPI{1.2.4} [AnimationAPI] (AnimationAPI-1.7.10-1.2.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
arsmagica2{1.4.0.008} [Ars Magica 2] (1.7.10_AM2-1.4.0.008.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FLabsBF{4.3} [Better Furnaces] ([1.7.10]Better_Furnaces_V4.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ChickenShed{1.1.3} [Chicken Shed] ([1.7.2] ChickenShed (v1.1.3).jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BetterAnvil{4.0.0.0} [Better Anvil] (BetterAnvil-4.0.0.0-alpha-1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
bettersleeping{1.7.10-0.8.21} [Better Sleeping] (BetterSleeping-1.7.10-0.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BiblioCraft{1.10.3} [BiblioCraft] (BiblioCraft[v1.10.3][MC1.7.10].jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
AWWayofTime{v1.3.1} [Blood Magic: Alchemical Wizardry] (BloodMagic-1.7.10-1.3.1-7.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
WaslieCore{1.1} [WaslieCore] (WaslieCore-1.1_B44.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BloodUtils{1.4} [BloodUtils] (BloodUtils-1.4_B0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Baubles{1.0.1.10} [Baubles] (Baubles-1.7.10-1.0.1.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Thaumcraft{4.2.3.5} [Thaumcraft] (Thaumcraft-1.7.10-4.2.3.5.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Botania{r1.6-174} [Botania] (Botania r1.6-174.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ChestTransporter{2.0.3} [Chest Transporter] (ChestTransporter-2.0.3-MC1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ExtraUtilities{1.2.4b} [Extra Utilities] (extrautilities-1.2.4b.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
fairylights{0.6} [Fairy Lights] (fairylights-0.6-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
foxlib{1.7.10-0.7.0} [FoxLib] (FoxLib-1.7.10-0.7.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Growthcraft{2.1.0a} [Growthcraft] (growthcraft-core-1.7.10-2.1.0a.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Growthcraft|Cellar{2.1.0a} [Growthcraft Cellar] (growthcraft-cellar-1.7.10-2.1.0a.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Growthcraft|Apples{2.1.0} [Growthcraft Apples] (growthcraft-apples-1.7.10-2.1.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Growthcraft|Bamboo{2.1.0} [Growthcraft Bamboo] (growthcraft-bamboo-1.7.10-2.1.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Growthcraft|Bees{2.1.0} [Growthcraft Bees] (growthcraft-bees-1.7.10-2.1.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Growthcraft|Fishtrap{2.1.0a} [Growthcraft Fishtrap] (growthcraft-fishtrap-1.7.10-2.1.0a.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Growthcraft|Grapes{2.1.0} [Growthcraft Grapes] (growthcraft-grapes-1.7.10-2.1.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Growthcraft|Hops{2.1.0} [Growthcraft Hops] (growthcraft-hops-1.7.10-2.1.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Growthcraft|Rice{2.1.0a} [Growthcraft Rice] (growthcraft-rice-1.7.10-2.1.0a.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Mantle{1.7.10-0.3.2.jenkins184} [Mantle] (Mantle-1.7.10-0.3.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
RadixCore{2.0.1} [RadixCore] (RadixCore-2.0.1-1.7.10-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MCA{5.0.5_1} [Minecraft Comes Alive] (MCA-5.0.5_1-1.7.10-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
OpenMods{0.7.1} [OpenMods] (OpenModsLib-1.7.10-0.7.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
OpenBlocks{1.4.1} [OpenBlocks] (OpenBlocks-1.7.10-1.4.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
getalltheseeds{1.7.2a} [Pam's Get all the Seeds!] (Pam's Get all the Seeds 1.7.2a.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mobdropcrops{1.7.2a} [Pam's Mob Drop Crops] (Pam's Mob Drop Crops 1.7.10a.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
simplerecipes{1.7.2a} [Pam's Simple Recipes] (Pam's Simple Recipes 1.7.2a.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
HeroSuits{1.1} [Project Superhuman] (ProjectSuperhuman - v1.1 - 1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Tails{1.7.10-1.3.1} [Tails] (Tails-1.7.10-1.3.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
TConstruct{1.7.10-1.8.3.build919} [Tinkers' Construct] (TConstruct-1.7.10-1.8.3b.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
thaumcraftneiplugin{1.7.10-1.7} [Thaumcraft NEI Plugin] (thaumcraftneiplugin-1.7.10-1.7.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ThaumicTinkerer{unspecified} [Thaumic Tinkerer] (ThaumicTinkerer-2.5-1.7.10-164.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
VeinMiner{0.27.1_build.unknown} [Vein Miner] (VeinMiner-1.7.10_0.27.1.unknown.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
VeinMinerModSupport{0.27.1_build.unknown} [Mod Support] (VeinMiner-1.7.10_0.27.1.unknown.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
witchery{0.23.2} [Witchery] (witchery-1.7.10-0.23.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
OpenModsLib class transformers: [stencil_patches:FINISHED],[movement_callback:FINISHED],[map_gen_fix:FINISHED],[gl_capabilities_hook:FINISHED],[player_render_hook:FINISHED]
Mantle Environment: DO NOT REPORT THIS CRASH! Unsupported mods in environment: optifine
TConstruct Environment: Environment healthy.
Stencil buffer state: Function set: EXT (packed), pool: disabled, bits: 0
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Player Count: 1 / 8; [EntityPlayerMP['TynotWolfDragon'/457, l='New Mod Pack', x=182.66, y=84.10, z=246.80]]
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'