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Minecraft has crashed!
----------------------

Minecraft has stopped running because it encountered a problem; Exception in server tick loop
This error has been saved to C:\Users\Jordan\AppData\Roaming\.minecraft\crash-reports\crash-2012-10-11_14.48.39-server.txt for your convenience. Please include a copy of this file if you report this crash to anyone.



--- BEGIN ERROR REPORT 50bfe76a --------
Generated 10/11/12 2:48 PM

- Minecraft Version: 12w41a
- Operating System: Windows 7 (amd64) version 6.1
- Java Version: 1.6.0_14, Sun Microsystems Inc.
- Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Sun Microsystems Inc.
- Memory: 259376728 bytes (247 MB) / 663154688 bytes (632 MB) up to 1037959168 bytes (989 MB)
- JVM Flags: 2 total; -Xms512m -Xmx1024m
- Is Modded: Probably not
- Profiler Position: N/A (disabled)
- Player Count: 1 / 8; [id['dragonogon'/25, l='12w41a', x=-10.38, y=85.98, z=-4.28]]
- World 12w41a Entities: 108 total; [id['dragonogon'/25, l='12w41a', x=-10.38, y=85.98, z=-4.28], os['entity.EnderCrystal.name'/998921, l='12w41a', x=-42.50, y=71.00, z=-28.50], os['entity.EnderCrystal.name'/998922, l='12w41a', x=-55.50, y=80.00, z=-14.50], os['entity.EnderCrystal.name'/998923, l='12w41a', x=-9.50, y=83.00, z=-5.50], os['entity.EnderCrystal.name'/998924, l='12w41a', x=5.50, y=93.00, z=48.50], os['entity.EnderCrystal.name'/998925, l='12w41a', x=2.50, y=91.00, z=63.50], os['entity.EnderCrystal.name'/998926, l='12w41a', x=18.50, y=86.00, z=-77.50], ot['Ender Dragon'/998927, l='12w41a', x=40.08, y=89.04, z=2.74], os['entity.EnderCrystal.name'/998935, l='12w41a', x=12.50, y=91.00, z=72.50], os['entity.EnderCrystal.name'/998936, l='12w41a', x=39.50, y=85.00, z=-23.50], os['entity.EnderCrystal.name'/998937, l='12w41a', x=31.50, y=81.00, z=21.50], os['entity.EnderCrystal.name'/998938, l='12w41a', x=35.50, y=87.00, z=48.50], os['entity.EnderCrystal.name'/998939, l='12w41a', x=66.50, y=92.00, z=-52.50], os['entity.EnderCrystal.name'/998940, l='12w41a', x=60.50, y=79.00, z=0.50], ph['Enderman'/998941, l='12w41a', x=13.83, y=61.00, z=10.70], ph['Enderman'/998942, l='12w41a', x=12.50, y=62.00, z=16.50], ph['Enderman'/998943, l='12w41a', x=12.73, y=62.00, z=14.80], ph['Enderman'/998950, l='12w41a', x=16.50, y=60.00, z=-40.50], ph['Enderman'/998953, l='12w41a', x=17.50, y=52.00, z=-97.50], ph['Enderman'/998954, l='12w41a', x=-13.00, y=61.00, z=27.36], ph['Enderman'/998956, l='12w41a', x=-11.57, y=62.00, z=-39.59], ph['Enderman'/998958, l='12w41a', x=-9.64, y=62.00, z=-39.80], ph['Enderman'/998959, l='12w41a', x=24.50, y=60.00, z=56.28], ph['Enderman'/998960, l='12w41a', x=23.50, y=59.00, z=58.50], ph['Enderman'/998961, l='12w41a', x=24.55, y=59.00, z=58.63], ph['Enderman'/998962, l='12w41a', x=26.50, y=59.00, z=54.50], ph['Enderman'/998963, l='12w41a', x=13.08, y=61.00, z=36.55], ph['Enderman'/998965, l='12w41a', x=14.95, y=61.00, z=36.25], ph['Enderman'/998966, l='12w41a', x=4.22, y=61.00, z=38.75], ph['Enderman'/998967, l='12w41a', x=49.41, y=58.00, z=-85.49], ph['Enderman'/998968, l='12w41a', x=50.70, y=58.00, z=-85.80], ph['Enderman'/998972, l='12w41a', x=1.53, y=59.00, z=55.42], ph['Enderman'/998977, l='12w41a', x=11.89, y=57.00, z=-82.47], ph['Enderman'/998986, l='12w41a', x=48.46, y=57.00, z=-103.54], ph['Enderman'/998988, l='12w41a', x=48.49, y=57.00, z=-100.33], ph['Enderman'/998989, l='12w41a', x=50.84, y=57.00, z=-97.27], ph['Enderman'/998990, l='12w41a', x=15.97, y=62.00, z=25.39], ph['Enderman'/998991, l='12w41a', x=10.50, y=62.00, z=29.50], ph['Enderman'/998992, l='12w41a', x=14.68, y=62.00, z=24.51], ph['Enderman'/998993, l='12w41a', x=7.67, y=63.00, z=23.69], ph['Enderman'/998994, l='12w41a', x=62.80, y=58.00, z=-59.05], ph['Enderman'/998995, l='12w41a', x=61.73, y=58.00, z=-56.36], ph['Enderman'/998996, l='12w41a', x=62.71, y=58.00, z=-56.43], ph['Enderman'/998997, l='12w41a', x=65.73, y=58.00, z=-63.33], ph['Enderman'/998999, l='12w41a', x=15.57, y=59.00, z=-43.14], ph['Enderman'/999000, l='12w41a', x=15.47, y=59.00, z=-49.23], ph['Enderman'/999002, l='12w41a', x=26.52, y=59.00, z=-20.68], ph['Enderman'/999003, l='12w41a', x=22.75, y=60.00, z=-20.22], ph['Enderman'/999004, l='12w41a', x=19.06, y=60.00, z=-22.06], ph['Enderman'/999008, l='12w41a', x=21.50, y=61.00, z=27.50], ph['Enderman'/999011, l='12w41a', x=7.62, y=64.00, z=-12.74], ph['Enderman'/999012, l='12w41a', x=5.55, y=64.00, z=-16.48], ph['Enderman'/999013, l='12w41a', x=2.62, y=64.00, z=-11.88], ph['Enderman'/999014, l='12w41a', x=1.39, y=64.00, z=-1.07], ph['Enderman'/999016, l='12w41a', x=58.48, y=59.00, z=19.92], ph['Enderman'/999017, l='12w41a', x=73.12, y=46.00, z=37.70], ph['Enderman'/999020, l='12w41a', x=35.52, y=58.00, z=-27.48], ph['Enderman'/999021, l='12w41a', x=38.20, y=58.00, z=-28.51], ph['Enderman'/999025, l='12w41a', x=43.75, y=58.00, z=65.88], ph['Enderman'/999026, l='12w41a', x=40.46, y=58.00, z=72.06], os['entity.EnderCrystal.name'/999149, l='12w41a', x=-81.50, y=94.00, z=49.50], os['entity.EnderCrystal.name'/999166, l='12w41a', x=-92.50, y=65.00, z=-13.50], os['entity.EnderCrystal.name'/999167, l='12w41a', x=-98.50, y=68.00, z=7.50], ph['Enderman'/999181, l='12w41a', x=-11.58, y=57.00, z=-78.05], ph['Enderman'/999182, l='12w41a', x=-7.57, y=57.00, z=-85.96], ph['Enderman'/999183, l='12w41a', x=-5.78, y=57.00, z=-86.74], ph['Enderman'/999184, l='12w41a', x=-2.50, y=57.00, z=-86.50], ph['Enderman'/999190, l='12w41a', x=55.48, y=43.00, z=62.77], ph['Enderman'/999191, l='12w41a', x=22.63, y=60.00, z=55.72], ph['Enderman'/999192, l='12w41a', x=17.50, y=60.00, z=54.50], ph['Enderman'/999193, l='12w41a', x=27.50, y=60.00, z=44.50], ph['Enderman'/999194, l='12w41a', x=29.59, y=59.00, z=47.32], ph['Enderman'/999195, l='12w41a', x=-5.88, y=58.00, z=-69.33], ph['Enderman'/999196, l='12w41a', x=1.50, y=58.00, z=-72.50], ph['Enderman'/999197, l='12w41a', x=1.50, y=58.00, z=-71.50], ph['Enderman'/999198, l='12w41a', x=2.50, y=58.00, z=-74.54], ph['Enderman'/999199, l='12w41a', x=40.48, y=58.00, z=-38.51], ph['Enderman'/999200, l='12w41a', x=40.62, y=58.00, z=-40.05], ph['Enderman'/999222, l='12w41a', x=-45.42, y=60.00, z=-32.57], ph['Enderman'/999223, l='12w41a', x=-44.53, y=60.00, z=-32.24], ph['Enderman'/999224, l='12w41a', x=-44.33, y=60.00, z=-31.32], ph['Enderman'/999226, l='12w41a', x=-46.29, y=60.00, z=-32.46], ph['Enderman'/999227, l='12w41a', x=70.09, y=57.00, z=29.95], ph['Enderman'/999228, l='12w41a', x=76.42, y=57.00, z=-62.02], ph['Enderman'/999229, l='12w41a', x=-55.50, y=58.00, z=1.50], ph['Enderman'/999249, l='12w41a', x=-46.50, y=57.00, z=-57.50], ph['Enderman'/999250, l='12w41a', x=-45.42, y=57.00, z=-57.35], ph['Enderman'/999251, l='12w41a', x=-44.14, y=57.00, z=-56.33], ph['Enderman'/999252, l='12w41a', x=-48.39, y=57.00, z=-48.39], ph['Enderman'/999253, l='12w41a', x=-53.77, y=59.00, z=-35.29], ph['Enderman'/999254, l='12w41a', x=-55.33, y=60.00, z=-39.48], ph['Enderman'/999256, l='12w41a', x=-47.79, y=60.00, z=-29.34], ph['Enderman'/999257, l='12w41a', x=-53.48, y=60.00, z=-37.15], ph['Enderman'/999258, l='12w41a', x=-21.59, y=62.00, z=-31.41], ph['Enderman'/999259, l='12w41a', x=-15.17, y=62.00, z=-32.93], ph['Enderman'/999260, l='12w41a', x=-19.40, y=62.00, z=-31.07], ph['Enderman'/999261, l='12w41a', x=-15.60, y=62.00, z=-29.87], ph['Enderman'/999262, l='12w41a', x=10.12, y=58.00, z=92.51], ph['Enderman'/999263, l='12w41a', x=5.23, y=57.00, z=89.52], ph['Enderman'/999264, l='12w41a', x=8.50, y=58.00, z=96.50], ph['Enderman'/999265, l='12w41a', x=-114.50, y=49.00, z=7.44], ph['Enderman'/999266, l='12w41a', x=-113.50, y=49.00, z=2.50], ph['Enderman'/999267, l='12w41a', x=-57.90, y=41.00, z=70.74], ph['Enderman'/999268, l='12w41a', x=-56.37, y=38.00, z=74.38], ph['Enderman'/999269, l='12w41a', x=-54.50, y=39.00, z=71.50], ph['Enderman'/999270, l='12w41a', x=-52.54, y=39.00, z=72.58], ph['Enderman'/999271, l='12w41a', x=-18.70, y=40.00, z=72.26], pa['Falling Block'/999408, l='12w41a', x=-9.50, y=83.49, z=-5.50]]
- World 12w41a Players: 1 total; [id['dragonogon'/25, l='12w41a', x=-10.38, y=85.98, z=-4.28]]
- World 12w41a Chunk Stats: ServerChunkCache: 441 Drop: 0
- Type: Integrated Server

java.util.ConcurrentModificationException
at java.util.AbstractList$Itr.checkForComodification(Unknown Source)
at java.util.AbstractList$Itr.next(Unknown Source)
at pa.a(SourceFile:119)
at kw.a(SourceFile:690)
at kw.d(SourceFile:592)
at pa.j_(SourceFile:75)
at wz.a(SourceFile:1214)
at ia.a(SourceFile:424)
at wz.g(SourceFile:1193)
at wz.h(SourceFile:1118)
at ia.h(SourceFile:352)
at net.minecraft.server.MinecraftServer.r(SourceFile:731)
at net.minecraft.server.MinecraftServer.q(SourceFile:674)
at bbu.q(SourceFile:117)
at net.minecraft.server.MinecraftServer.run(SourceFile:608)
at fm.run(SourceFile:831)
--- END ERROR REPORT 82678fc8 ----------