Exception in server tick loop (After updating hexxit 7/28/13)

[Si1verF0X]

Title: Exception in server tick loop (After updating hexxit 7/28/13)

Version: 1_0_4

OS: OSX 10.7.5

Java Version: 1.6.0

Description of Problem:

crash after running local save, opening to LAN, and playing for a couple minutes

Error Messages:

Exception in server tick loop

Error Log:

blinky:Applications jrogers$ cat "/Users/jrogers/Library/Application Support/technic/hexxit/crash-reports/crash-2013-07-28_18.12.54-server.txt"

---- Minecraft Crash Report ----

// Sorry 



Time: 7/28/13 6:12 PM

Description: Exception in server tick loop



java.util.ConcurrentModificationException

	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)

	at java.util.HashMap$KeyIterator.next(HashMap.java:828)

	at net.minecraft.entity.EntityTracker.func_72788_a(EntityTracker.java:265)

	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:666)

	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:573)

	at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:127)

	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:470)

	at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)





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

---------------------------------------------------------------------------------------



-- System Details --

Details:

	Minecraft Version: 1.5.2

	Operating System: Mac OS X (x86_64) version 10.7.5

	Java Version: 1.6.0_51, Apple Inc.

	Java VM Version: Java HotSpot 64-Bit Server VM (mixed mode), Apple Inc.

	Memory: 73488464 bytes (70 MB) / 363798528 bytes (346 MB) up to 12867469312 bytes (12271 MB)

	JVM Flags: 2 total; -Xmx12288m -XX:MaxPermSize=256m

	AABB Pool Size: 5625 (315000 bytes; 0 MB) allocated, 5208 (291648 bytes; 0 MB) used

	Suspicious classes: FML and Forge are installed

	IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 71

	FML: MCP v7.51 FML v5.2.23.737 Minecraft Forge 7.8.1.737 67 mods loaded, 67 mods active

	mcp{7.51} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	FML{5.2.23.737} [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	Forge{7.8.1.737} [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	CoFHFramework{1.5.2.5} [CoFH Framework] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	CodeChickenCore{0.8.7.3} [CodeChicken Core] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	NotEnoughItems{1.5.2.28} [Not Enough Items] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	ImmibisMicroblocks{55.0.7} [immibis's Microblocks] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	mod_bspkrsCore{v2.09(1.5.2)} [bspkrsCore] ([1.5.2]bspkrsCorev2.09.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	CoFHCore{1.5.2.5} [CoFHCore] (CoFHCore-1.5.2.5.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	CoFHWorld{1.5.2.5} [CoFHWorld] (CoFHCore-1.5.2.5.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	CustomLAN{2.2} [Custom LAN Mod] (CustomPortForge.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	TreeCapitator{Forge 1.5.2.r14} [TreeCapitator] ([1.5.2]TreeCapitator.Forge.1.5.2.r14.Uni.CoreMod.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	ImmibisMicroblocksInstallCheck{55.0.7} [immibis's Microblocks (Checks for incorrect installation, ignore this)] (immibis-microblocks-55.0.7.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	DamageIndicatorsMod{2.7.0.1} [Damage Indicators] (1.5.2 DamageIndicators v2.7.0.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	AsgardShield_Core{2.0.4} [AsgardShield] (1.5.2AsgardShield_Core_2.0.4Forge.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	ASAddon_Hallowed{2.0.0} [AS Addon- Hallowed] (1.5.2ASAddonHallowed_v2.0.0Forge.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	HarkenScythe_Core{2.1.6} [HarkenScythe] (1.5.2HarkenScythe_v2.1.6Forge.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	ASAddon_HarkenScythe{2.0.0} [AS Addon- HarkenScythe] (1.5.2ASAddonHarkenScythe_v2.0.0Forge.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	ASAddon_NetherEnder{2.0.0} [AS Addon- Nether-Ender] (1.5.2ASAddonNetherEnder_v2.0.0Forge.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	ASAddon_ColorAPI{1.0.0} [ASAddon_ColorAPI] (1.5.2AsgardShield_Core_2.0.4Forge.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	mod_ArmorBarMod{0.7.1} [Armor Bar Mod] (ArmorBarv0.7.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	Artifice{1.5.2R1.1.2} [Artifice] (Artifice-1.1.2-142.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	ArtificeCompat|Chisel{1.5.2R1.1.2} [Artifice Compat: Chisel] (Artifice-1.1.2-142.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	ArtificeCompat|EE3{1.5.2R1.1.2} [Artifice Compat: EE3] (Artifice-1.1.2-142.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	ArtificeCompat|Forestry{1.5.2R1.1.2} [Artifice Compat: Forestry] (Artifice-1.1.2-142.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	ArtificeCompat|MFR{1.5.2R1.1.2} [Artifice Compat: MFR] (Artifice-1.1.2-142.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	ArtificeCompat|Railcraft{1.5.2R1.1.2} [Artifice Compat: Railcraft] (Artifice-1.1.2-142.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	ArtificeCompat|Vanilla{1.5.2R1.1.2} [Artifice Compat: Vanilla] (Artifice-1.1.2-142.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	mod_BackTools{1.5.2v1} [mod_BackTools] (BackTools1.5.2v1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	BattleTowers{1.3.4} [battle Towers] (BattleTowers_1.5.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	BetterDungeons{1.8} [better dungeons] (BetterDungeons.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	BiblioCraft{1.3.3} [biblioCraft] (BiblioCraft[v1.3.3].zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	mod_BuffBarMod{0.7.1} [buff Bar Mod] (BuffBarv0.7.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	DimDoors{1.5.2R1.4.1RC1} [Dimensional Doors] (DimensionalDoors-1.5.2R1.4.1RC1-194.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	eplus{1.15.4} [Enchanting Plus] (EnchantingPlus-1.15.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	ExtrabiomesXL{3.13.4} [ExtrabiomesXL] (ExtrabiomesXL-universal-1.5.2-3.13.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	hexxitgear{1.5.2R1.0} [Hexxit Gear] (HexxitGear-1.0-23.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	InfernalMobs{1.3.1} [infernal Mobs] (InfernalMobs_1.5.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	inventorytweaks{1.54b} [inventory Tweaks] (InventoryTweaks-1.54b.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	Meteors{2.10.2} [Falling Meteors] (Meteors Mod V2.10.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	More Bows{1.5_v1} [More Bows mod] (More bows 1.5.2_2 Forge.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	NEIPlugins{1.0.9.3} [NEI Plugins] (NEIPlugins-1.0.9.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	LegendGear{1.5.2} [LegendGear] (NMcCoy-LegendGear-1.5.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	Natura{2.1.2} [Natura] (Natura_2.1.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	Natura|CompatMineFactoryReloaded{0.1} [Natura compat: MFR] (Natura_2.1.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	OffLawn{1.0} [offLawn] (OffLawn-1.5.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	ProjectZulu|Core{1.0.3.8} [Project Zulu Core] (ProjectZuluCompletev1.0.3.8.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	ProjectZulu|Blocks{1.0.3.8} [Project Zulu Block and Items] (ProjectZuluCompletev1.0.3.8.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	ProjectZulu|Dungeon{1.0.3.8} [Project Zulu Mobs] (ProjectZuluCompletev1.0.3.8.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	ProjectZulu|Mobs{1.0.3.8} [Project Zulu Mobs] (ProjectZuluCompletev1.0.3.8.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	ProjectZulu|World{1.0.3.8} [Project Zulu World] (ProjectZuluCompletev1.0.3.8.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	xreliquary{1.5.2} [Xeno's Reliquary] (Reliquary1.0.6d.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	rftl{1.0} [RottenFleshToLeather] (RottenFleshToLeather-1.5.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	AS_Ruins{10.3} [Ruins Spawning System] (Ruins_1.5.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	secretroomsmod{4.6.0} [secretRoomsMod] (SecretRoomsMod-universal-4.6.0.283.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	SoulShards{1.0.16} [soul Shards] (SoulShards-1.0.36-universal-srg.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	TConstruct{1.5.1_1.4.0} [Tinkers' Construct] (TConstruct_1.4.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	TConstruct|CompatMineFactoryReloaded{0.1} [TConstruct Compat: MFR] (TConstruct_1.4.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	WildCaves3{0.4.2} [Wild Caves 3] (WildCaves3-0.4.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	BetterStorage{0.6.2.23} [betterStorage] ([1.5.2]BetterStorage_0.6.2.23.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	Backpack{1.12.13} [backpack] (backpack-1.12.13-1.5.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	ChestTransporter{1.1.6} [Chest Transporter] (chestTransporter_1.1.6_Universal.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	ImmibisCore{55.1.6} [immibis Core] (immibis-core-55.1.6.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	MapWriter{2.0} [MapWriter] (mapwriter-2.0.5.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	ObsidiPlates{1.5.0} [Obsidian Pressure Plates] (obsidiplates-1.5.2-universal-1.5.0.13.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	TwilightForest{1.18.1} [The Twilight Forest] (twilightforest-1.18.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	chococraft{2.8.8} [Torojima's ChocoCraft] (zzzChococraft_2.8.8.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

	Profiler Position: N/A (disabled)

	Vec3 Pool Size: 1437 (80472 bytes; 0 MB) allocated, 1003 (56168 bytes; 0 MB) used

	Player Count: 1 / 8; [EntityPlayerMP['Fox'/532, l='TyDadTreeHouse', x=1214.31, y=37.00, z=1125.21]]

	Type: Integrated Server (map_client.txt)

	Is Modded: Definitely; Client brand changed to 'fml,forge'blinky:Applications jrogers$

[Si1verF0X]

OK, I initially launched from Technic with 12G of RAM (Yes, I have enough, my MBP has been upgraded to 16G RAM). I backed that off to 8M, and I'm not able to reproduce any longer. Additionally, I noticed that this crash happened at the exact moment that someone joined the LAN game (a Linux client)

[David_Wolfe]

So does this mean that it no longer crashes?

If it does, could it be possible that the chunk the player spawns in is somehow corrupted?

Again, it might be advisable to lower the cap to 5 GB just to be safe. I've had some wonky things happening at anything frankly above 6.

And also, the permgen thing, turn that on, might save lives.