Hopper: java.lang.IllegalArgumentException: MALFORMED

This is an automatically generated report based from the following crash: http://hopper.minecraft.net/crashes/minecraft/MCX-88579/

Crash:

java.lang.IllegalArgumentException: MALFORMED
	at java.util.zip.ZipCoder.toString(Unknown Source)
	at java.util.zip.ZipFile.getZipEntry(Unknown Source)
	at java.util.zip.ZipFile.access$900(Unknown Source)
	at java.util.zip.ZipFile$1.nextElement(Unknown Source)
	at java.util.zip.ZipFile$1.nextElement(Unknown Source)
	at blx.c(SourceFile:69)
	at bmm.a(SourceFile:30)
	at bmm.a(SourceFile:84)
	at awb.b(SourceFile:418)
	at bcq.a(SourceFile:146)
	at ayw.a(SourceFile:71)
	at bcq.a(SourceFile:153)
	at ayw.d(SourceFile:139)
	at ayw.m(SourceFile:110)

The following is the first clean report made public about this crash:

---- Minecraft Crash Report ----
// You're mean.

Time: 07.09.13 19:37
Description: Updating screen events

java.lang.IllegalArgumentException: MALFORMED
	at java.util.zip.ZipCoder.toString(Unknown Source)
	at java.util.zip.ZipFile.getZipEntry(Unknown Source)
	at java.util.zip.ZipFile.access$900(Unknown Source)
	at java.util.zip.ZipFile$1.nextElement(Unknown Source)
	at java.util.zip.ZipFile$1.nextElement(Unknown Source)
	at blx.c(SourceFile:69)
	at bmm.a(SourceFile:30)
	at bmm.a(SourceFile:84)
	at awb.b(SourceFile:418)
	at bcq.a(SourceFile:146)
	at ayw.a(SourceFile:71)
	at bcq.a(SourceFile:153)
	at ayw.d(SourceFile:139)
	at ayw.m(SourceFile:110)
	at awb.m(SourceFile:1202)
	at awb.V(SourceFile:686)
	at awb.e(SourceFile:642)
	at net.minecraft.client.main.Main.main(SourceFile:103)


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

-- Head --
Stacktrace:
	at java.util.zip.ZipCoder.toString(Unknown Source)
	at java.util.zip.ZipFile.getZipEntry(Unknown Source)
	at java.util.zip.ZipFile.access$900(Unknown Source)
	at java.util.zip.ZipFile$1.nextElement(Unknown Source)
	at java.util.zip.ZipFile$1.nextElement(Unknown Source)
	at blx.c(SourceFile:69)
	at bmm.a(SourceFile:30)
	at bmm.a(SourceFile:84)
	at awb.b(SourceFile:418)
	at bcq.a(SourceFile:146)
	at ayw.a(SourceFile:71)
	at bcq.a(SourceFile:153)
	at ayw.d(SourceFile:139)
	at ayw.m(SourceFile:110)

-- Affected screen --
Details:
	Screen name: bcq

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bfn['nik_rex'/145365, l='MpServer', x=-841,25, y=56,62, z=1208,36]]
	Chunk stats: MultiplayerChunkCache: 256, 256
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: World: (232,64,248), Chunk: (at 8,4,8 in 14,15; contains blocks 224,0,240 to 239,255,255), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 535035 game time, 494041 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: Game mode: survival (ID 0). Hardcore: false. Cheats: false
	Forced entities: 23 total; [sg['Kuh'/150286, l='MpServer', x=-871,16, y=56,00, z=1284,81], sg['Kuh'/150287, l='MpServer', x=-871,63, y=64,00, z=1285,44], sg['Kuh'/149455, l='MpServer', x=-762,25, y=64,00, z=1224,63], so['Schaf'/149908, l='MpServer', x=-788,88, y=63,00, z=1262,78], sg['Kuh'/149910, l='MpServer', x=-780,50, y=68,00, z=1269,50], sg['Kuh'/149911, l='MpServer', x=-774,94, y=71,00, z=1277,16], sg['Kuh'/149904, l='MpServer', x=-767,19, y=64,00, z=1231,19], sg['Kuh'/149905, l='MpServer', x=-793,56, y=63,00, z=1230,81], sg['Kuh'/149906, l='MpServer', x=-783,66, y=67,00, z=1224,50], bhi['dori_handball'/145038, l='MpServer', x=-758,81, y=67,72, z=1329,56], so['Schaf'/150109, l='MpServer', x=-816,75, y=64,00, z=1267,81], sg['Kuh'/150107, l='MpServer', x=-819,50, y=73,00, z=1291,50], bhi['dori_handball'/151899, l='MpServer', x=-862,84, y=73,00, z=1241,25], sg['Kuh'/150004, l='MpServer', x=-811,25, y=64,00, z=1257,22], sg['Kuh'/150264, l='MpServer', x=-856,88, y=63,00, z=1289,09], bhi['dori_handball'/145038, l='MpServer', x=-857,78, y=63,00, z=1205,34], sg['Kuh'/150262, l='MpServer', x=-863,50, y=70,00, z=1271,50], tl['entity.MinecartChest.name'/150389, l='MpServer', x=-827,50, y=32,50, z=1141,50], bfn['nik_rex'/145365, l='MpServer', x=-841,25, y=56,62, z=1208,36], bhi['dori_handball'/151579, l='MpServer', x=-841,56, y=73,00, z=1226,31], so['Schaf'/149981, l='MpServer', x=-783,19, y=63,00, z=1263,13], bhi['dori_handball'/145038, l='MpServer', x=-788,70, y=70,14, z=1331,83], sg['Kuh'/149982, l='MpServer', x=-788,25, y=63,00, z=1252,31]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Non-integrated multiplayer server
Stacktrace:
	at bfi.a(SourceFile:285)
	at awb.b(SourceFile:1813)
	at awb.e(SourceFile:651)
	at net.minecraft.client.main.Main.main(SourceFile:103)

-- System Details --
Details:
	Minecraft Version: 13w36b
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_09, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 30225272 bytes (28 MB) / 239140864 bytes (228 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
	AABB Pool Size: 4938 (276528 bytes; 0 MB) allocated, 2 (112 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
	Launched Version: 13w36b
	LWJGL: 2.9.0
	OpenGL: GeForce GT 240M/PCI/SSE2 GL version 3.0.0, NVIDIA Corporation
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: [MeineKraft_Honeyball_64x_minecraft1.6.2.zip]
	Current Language: Deutsch (Deutschland)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 134 (7504 bytes; 0 MB) allocated, 17 (952 bytes; 0 MB) used

You can see this full report at http://hopper.minecraft.net/crashes/minecraft/MCX-88579/8783932/