---- Minecraft Crash Report ----
// Who set us up the TNT?

Time: 29.07.15 23:08
Description: Ticking block entity

java.lang.IllegalArgumentException: Cannot get property any{name=shape, clazz=class agf$b, values=[north_south, east_west, ascending_east, ascending_west, ascending_north, ascending_south, south_east, south_west, north_west, north_east]} as it does not exist in anm{block=minecraft:golden_rail, properties=[powered, shape]}
	at anm$a.b(SourceFile:132)
	at agf$a.<init>(SourceFile:49)
	at agf$a.b(SourceFile:120)
	at agf$a.d(SourceFile:229)
	at agf$a.a(SourceFile:247)
	at agf.a(SourceFile:468)
	at agf.c(SourceFile:423)
	at aok.a(SourceFile:551)
	at aen.a(SourceFile:291)
	at ang.c(SourceFile:145)
	at aen.j(SourceFile:1312)
	at lg.j(SourceFile:479)
	at net.minecraft.server.MinecraftServer.B(SourceFile:607)
	at net.minecraft.server.MinecraftServer.A(SourceFile:535)
	at bsg.A(SourceFile:152)
	at net.minecraft.server.MinecraftServer.run(SourceFile:451)
	at java.lang.Thread.run(Thread.java:695)


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

-- Head --
Stacktrace:
	at anm$a.b(SourceFile:132)
	at agf$a.<init>(SourceFile:49)
	at agf$a.b(SourceFile:120)
	at agf$a.d(SourceFile:229)
	at agf$a.a(SourceFile:247)
	at agf.a(SourceFile:468)
	at agf.c(SourceFile:423)
	at aok.a(SourceFile:551)
	at aen.a(SourceFile:291)
	at ang.c(SourceFile:145)

-- Block entity being ticked --
Details:
	Name: Piston // ang
	Block type: ID #66 (tile.rail // akg)
	Block data value: 0 / 0x0 / 0b0000
	Block location: World: (-1,63,-18), Chunk: (at 15,3,14 in -1,-2; contains blocks -16,0,-32 to -1,255,-17), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
	Actual block type: ID #66 (tile.rail // akg)
	Actual block data value: 0 / 0x0 / 0b0000
Stacktrace:
	at aen.j(SourceFile:1312)
	at lg.j(SourceFile:479)

-- Affected level --
Details:
	Level name: 1.8 test
	All players: 1 total; [lh['redstonehelper'/99, l='1.8 test', x=2,82, y=63,00, z=-20,97]]
	Chunk stats: ServerChunkCache: 441 Drop: 0
	Level seed: -4998468319672361303
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: 0,00,0,00,0,00 - World: (0,0,0), Chunk: (at 0,0,0 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 0 game time, 0 day time
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
	Level game mode: ~~ERROR~~ NullPointerException: null
Stacktrace:
	at net.minecraft.server.MinecraftServer.B(SourceFile:607)
	at net.minecraft.server.MinecraftServer.A(SourceFile:535)
	at bsg.A(SourceFile:152)
	at net.minecraft.server.MinecraftServer.run(SourceFile:451)
	at java.lang.Thread.run(Thread.java:695)

-- System Details --
Details:
	Minecraft Version: 15w31a
	Operating System: Mac OS X (x86_64) version 10.6.8
	Java Version: 1.6.0_65, Apple Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
	Memory: 117293056 bytes (111 MB) / 387563520 bytes (369 MB) up to 1060372480 bytes (1011 MB)
	JVM Flags: 5 total; -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Profiler Position: N/A (disabled)
	Player Count: 1 / 8; [lh['redstonehelper'/99, l='1.8 test', x=2,82, y=63,00, z=-20,97]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.