Keitaro Urashima

Got similar on my server after update to 1.18 pre1. What I see on my save, I have 2 villages and chunks that generate this error are with Bell item.

Perhaps it's some bug with upgrading the world to newer version. I'll try to remove chunk with it and see what happen after rebuild.

Same here:

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

Time: 06.03.14 18:17
Description: Exception in server tick loop

java.lang.IllegalArgumentException: Name and ID cannot both be blank
	at com.mojang.authlib.GameProfile.<init>(GameProfile.java:27)
	at pe.a(SourceFile:60)
	at pe.a(SourceFile:110)
	at my.aF(SourceFile:421)
	at my.g(SourceFile:145)
	at net.minecraft.server.MinecraftServer.run(SourceFile:367)
	at mp.run(SourceFile:667)


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

-- System Details --
Details:
	Minecraft Version: 14w10b
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.7.0_51, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
	Memory: 10354000 bytes (9 MB) / 20742144 bytes (19 MB) up to 259522560 bytes (247 MB)
	JVM Flags: 0 total; 
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Profiler Position: N/A (disabled)
	Is Modded: Unknown (can't tell)
	Type: Dedicated Server (map_server.txt)

Also there is information like this - ahead of this error - it's only inside console not in crash report:

[18:24:54 ERROR]: Exception handling console input
java.io.IOException: Nieprawidłowe dojście
	at java.io.FileInputStream.readBytes(Native Method) ~[?:1.7.0_51]
	at java.io.FileInputStream.read(Unknown Source) ~[?:1.7.0_51]
	at java.io.BufferedInputStream.read1(Unknown Source) ~[?:1.7.0_51]
	at java.io.BufferedInputStream.read(Unknown Source) ~[?:1.7.0_51]
	at sun.nio.cs.StreamDecoder.readBytes(Unknown Source) ~[?:1.7.0_51]
	at sun.nio.cs.StreamDecoder.implRead(Unknown Source) ~[?:1.7.0_51]
	at sun.nio.cs.StreamDecoder.read(Unknown Source) ~[?:1.7.0_51]
	at java.io.InputStreamReader.read(Unknown Source) ~[?:1.7.0_51]
	at java.io.BufferedReader.fill(Unknown Source) ~[?:1.7.0_51]
	at java.io.BufferedReader.readLine(Unknown Source) ~[?:1.7.0_51]
	at java.io.BufferedReader.readLine(Unknown Source) ~[?:1.7.0_51]
	at na.run(SourceFile:69) [minecraft_server.14w10b.jar:?]

no, weird thing is that this problem occurs only in jar version, exe is working fine - we play with friend on our small server and got weird thing, one person got night, second day...