Minecraft Forums

In a survival level, which I have spent a lot of time playing in, when I break a certain Jukebox Minecraft crashes and gives me this error

	 Minecraft has crashed!	
	 ----------------------	
Minecraft has stopped running because it encountered a problem; Ticking memory connection
A full error report has been saved to C:\Users\Andrew\AppData\Roaming\.minecraft\crash-reports\crash-2012-12-20_22.54.55-server.txt - Please include a copy of that file (Not this screen!) if you report this crash to anyone; without it, they will not be able to help fix the crash 
--- BEGIN ERROR REPORT ec3ddca4 --------
Full report at:
C:\Users\Andrew\AppData\Roaming\.minecraft\crash-reports\crash-2012-12-20_22.54.55-server.txt
Please show that file to Mojang, NOT just this screen!
Generated 12/20/12 10:55 PM
-- System Details --
Details:
Minecraft Version: 1.4.6
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: 252731664 bytes (241 MB) / 457637888 bytes (436 MB) up to 954466304 bytes (910 MB)
JVM Flags: 2 total; -Xms512m -Xmx1024m
AABB Pool Size: 1948 (109088 bytes; 0 MB) allocated, 1808 (101248 bytes; 0 MB) used
Suspicious classes: No suspicious classes found.
IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
Profiler Position: N/A (disabled)
Vec3 Pool Size: 557 (31192 bytes; 0 MB) allocated, 469 (26264 bytes; 0 MB) used
Player Count: 1 / 8; [iq['afig110610'/254, l='Figidalphia', x=-17.61, y=68.00, z=134.78]]
Type: Integrated Server (map_client.txt)
Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.
java.lang.NullPointerException
at ur.f(SourceFile:129)
at ur.h(SourceFile:143)
at qw.a(SourceFile:219)
at px.c_(SourceFile:189)
at qx.r(SourceFile:388)
at qx.c(SourceFile:380)
at md.j_(SourceFile:540)
at qx.j_(SourceFile:200)
at iq.g(SourceFile:175)
at iv.a(SourceFile:199)
at eb.a(SourceFile:136)
at cf.b(SourceFile:55)
at iv.d(SourceFile:57)
at iw.b(SourceFile:39)
at bec.b(SourceFile:84)
at net.minecraft.server.MinecraftServer.r(SourceFile:762)
at net.minecraft.server.MinecraftServer.q(SourceFile:679)
at bdz.q(SourceFile:117)
at net.minecraft.server.MinecraftServer.run(SourceFile:613)
at fy.run(SourceFile:849)
--- END ERROR REPORT 54812313 ----------

When I load the game back up the chunk that the Jukebox was in is deleted. The game was acting a bit jittery when in the same chunk as the jukebox.

-Vanilla Minecraft 1.4.6
-Win 7 Home Premium 64-Bit SP1
-8GB RAM
-Radeon 7850 2GB GDDR5
-i5-2320 (4 x 3.0GHz)

Sorry if I don't respond right away, It's late in my time zone so I'll check it tomorrow.

Exact same thing happened to me on our SMP server... lost most my castle tower, two mob traps and most my storage room, yay.

By any chance could there be a record still in it? If you have a backup I'm wondering if you can remove it in MCedit an then repair regions to fix it.

Okay, nothing happens when I try it on a new save, and it only crashes when I pick up the item. I don't believe there is a record in it. I'll see what happens when I remove it using MCedit.

EDIT: Removing it seems to have fixed the problem, I can put one back in the same place, break it and Minecraft doesn't crash. Hopefully there aren't any more corrupted entities/block in the world. Thanks.

I just had the same issue. Old world (was made in 1.0), when I broke the jukebox the game crashed and the chunk had been reset. And like Amdwiz23 said, it could not be reproduced in a newly generated world.

I had the same type of crash but no jukebox was involved i was trying to open the spawn chest when you start a new world i am posting the report it gave me to send. Also when i logged back in all chunks in the area seemed to still be there as well as the chest


---- Minecraft Crash Report ----
// I'm sorry, Dave.

Time: 24/12/12 12:36 PM
Description: Ticking memory connection

java.lang.NullPointerException
at fihgu.protection.tool.EventHandler.onPlayerRightClick(EventHandler.java:131)
at net.minecraftforge.event.ASMEventHandler_10_EventHandler_onPlayerRightClick_PlayerRightClickEvent.invoke(.dynamic)
at net.minecraftforge.event.ASMEventHandler.invoke(ASMEventHandler.java:35)
at net.minecraftforge.event.EventBus.post(EventBus.java:103)
at iv.a(NetServerHandler.java:562)
at fl.a(SourceFile:58)
at cf.b(MemoryConnection.java:79)
at iv.d(NetServerHandler.java:87)
at iw.b(NetworkListenThread.java:55)
at bdr.b(IntegratedServerListenThread.java:111)
at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:691)
at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:587)
at bdo.q(IntegratedServer.java:110)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:494)
at fy.run(SourceFile:856)


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

-- System Details --
Details:
Minecraft Version: 1.4.5
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_07, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 113289272 bytes (108 MB) / 516423680 bytes (492 MB) up to 954466304 bytes (910 MB)
JVM Flags: 2 total; -Xms512m -Xmx1024m
AABB Pool Size: 4483 (251048 bytes; 0 MB) allocated, 3056 (171136 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
FML: MCP v7.23 FML v4.5.2.459 Minecraft Forge 6.4.0.395 16 mods loaded, 16 mods active
mcp [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
FML [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
Forge [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
fihgu's Core Mod [fihgu's Core Mod] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
SAP_Man [SanAndreasPs Managers] (0_SAPManPack_v11_01.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
jammyfurniture [Jammy Furniture Mod] (1.4.5_Jammy_Furniture_Mod_V4.0_Beta_2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
mod_AnimalBikes [mod_AnimalBikes] (AnimalBikes_Modloader_1.4.4.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
Backpack [Backpack] (backpack-1.5.4-1.4.4.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
ClaySoldiersMod [Clay Soldiers Mod] (CSM_v9_04.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
fihgu's Protection Mod [fihgu's Protection Mod] (fihgus Protection Mod(2.1.1).zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
fihgu's Teleport Mod [fihgu's Teleport Mod] (fihgus Teleport Mod(2.1.1).zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
AS_Minions [Minions] (Minions_1.4.4.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
mod_Shelf [mod_Shelf] (Shelf.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
mod_shutter [mod_shutter] (shutter145ml1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
mod_UgoCraft [mod_UgoCraft] (UgoCraft_Client_1.4.5_HS_SO_20121116_02.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
AS_UpdateCheck [AtomicStryker Update Check Mod] (UpdateCheckerMod_1.4.4.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available->Available
Profiler Position: N/A (disabled)
Vec3 Pool Size: 1170 (65520 bytes; 0 MB) allocated, 989 (55384 bytes; 0 MB) used
Player Count: 1 / 8; [iq['ayla2656'/16399, l='Copy of I Dunno', x=232.75, y=64.00, z=246.88]]
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'forge,fml'

This is still a common error on our server. We've done a lot of testing with it, found out that if a Jukebox is surrounded by blocks, except for the front and you try to remove said jukebox the game crashes, usually says something like End of Stream. Then when you log back in, the chunk is reset. A few members were testing this out, and ALSO noted that if you try to remove a jukebox in a chunk you've been in for a while since login, then the same thing will happen. Whether or not blocks placed around the jukebox and the loaded chunk have anything to do with eachother we don't know, but if you logout of a chunk with jukebox in it, and log back in to reload it, then the issue doesn't happen.