Multiverse/Multiverse-Core — Issue #417: Create Map Server Doesn't Respond
Author: jones989
Created: 2012-01-19 02:20:19+00:00
State: open

When i try to create a map it loads and makes itself, but when it is finished, eeryhing stops responding. I restart server and there is this error:

18:14:26 [SEVERE] java.lang.NullPointerException
18:14:26 [SEVERE]	at net.minecraft.server.WorldData.a(WorldData.java:128)
18:14:26 [SEVERE]	at net.minecraft.server.WorldData.a(WorldData.java:122)
18:14:26 [SEVERE]	at net.minecraft.server.WorldNBTStorage.saveWorldData(WorldNBTStorage.java:124)
18:14:26 [SEVERE]	at net.minecraft.server.ServerNBTManager.saveWorldData(SourceFile:43)
18:14:26 [SEVERE]	at net.minecraft.server.World.y(World.java:279)
18:14:26 [SEVERE]	at net.minecraft.server.World.save(World.java:268)
18:14:26 [SEVERE]	at net.minecraft.server.World.doTick(World.java:1739)
18:14:26 [SEVERE]	at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:521)
18:14:26 [SEVERE]	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:432)
18:14:26 [SEVERE]	at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)
18:14:26 [SEVERE] Unexpected exception
java.lang.NullPointerException
at net.minecraft.server.WorldData.a(WorldData.java:128)
at net.minecraft.server.WorldData.a(WorldData.java:122)
at net.minecraft.server.WorldNBTStorage.saveWorldData(WorldNBTStorage.java:124)
at net.minecraft.server.ServerNBTManager.saveWorldData(SourceFile:43)
at net.minecraft.server.World.y(World.java:279)
at net.minecraft.server.World.save(World.java:268)
at net.minecraft.server.World.doTick(World.java:1739)
at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:521)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:432)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)
>

Is it because i use Minecraft 1.1 or Dev. Build?