---- Minecraft Crash Report ---- // On the bright side, I bought you a teddy bear! Time: 23/11/12 17:42 Description: Exception ticking world java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextEntry(Unknown Source) at java.util.HashMap$KeyIterator.next(Unknown Source) at yi.a(SourceFile:72) at in.b(SourceFile:113) at net.minecraft.server.MinecraftServer.r(SourceFile:743) at net.minecraft.server.MinecraftServer.q(SourceFile:686) at bdo.q(SourceFile:117) at net.minecraft.server.MinecraftServer.run(SourceFile:620) at fy.run(SourceFile:856) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Stacktrace: at java.util.HashMap$HashIterator.nextEntry(Unknown Source) at java.util.HashMap$KeyIterator.next(Unknown Source) at yi.a(SourceFile:72) at in.b(SourceFile:113) -- Affected level -- Details: Level name: 404 Survival All players: 1 total; [iq['Ingo6453'/2188772, l='404 Survival', x=132.50, y=78.03, z=253.50]] Chunk stats: ServerChunkCache: 1089 Drop: 0 Level seed: 4665494104071747351 Level generator: ID 00 - default, ver 1. Features enabled: true Level generator options: Level spawn location: World: (128,64,248), Chunk: (at 0,4,8 in 8,15; contains blocks 128,0,240 to 143,255,255), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511) Level time: 4 game time, 4 day time Level dimension: 0 Level storage version: 0x04ABD - Anvil Level weather: Rain time: 120671 (now: false), thunder time: 14575 (now: false) Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false Stacktrace: at net.minecraft.server.MinecraftServer.r(SourceFile:743) at net.minecraft.server.MinecraftServer.q(SourceFile:686) at bdo.q(SourceFile:117) at net.minecraft.server.MinecraftServer.run(SourceFile:620) at fy.run(SourceFile:856) -- System Details -- Details: Minecraft Version: 1.4.5 Operating System: Windows 7 (amd64) version 6.1 Java Version: 1.6.0_20, Sun Microsystems Inc. Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Sun Microsystems Inc. Memory: 188313680 bytes (179 MB) / 1037959168 bytes (989 MB) up to 1037959168 bytes (989 MB) JVM Flags: 2 total; -Xms512m -Xmx1024m AABB Pool Size: 5039 (282184 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used Suspicious classes: IWrUpdater, Config, WrUpdates, ...] IntCache: cache: 2, tcache: 0, allocated: 1, tallocated: 63 Profiler Position: N/A (disabled) Vec3 Pool Size: 822 (46032 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used Player Count: 1 / 8; [iq['Ingo6453'/2188772, l='404 Survival', x=132.50, y=78.03, z=253.50]] Type: Integrated Server (map_client.txt) Is Modded: Very likely; Jar signature invalidated