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betterphp / AlmostFlatLands

A slightly less boring flat world generator
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FlatLands Ends in World -- Server Log error #6

Open blokizaki opened 11 years ago

blokizaki commented 11 years ago

Getting SEVERE console msg: could not pass WorldInItEvent. Also, just discovered flatlands ends and mountainous structures appear. I'm using this for Towny and already have towns built in the flatlands -- will correcting this destroy my towns?

Is there a fix?

Here's my server log output: 2013-10-20 13:40:41 [SEVERE] Could not pass event WorldInitEvent to AlmostFlatLands v0.2.1 org.bukkit.event.EventException at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:427) at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:477) at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462) at org.bukkit.craftbukkit.v1_6_R3.CraftServer.createWorld(CraftServer.java:740) at org.bukkit.Bukkit.createWorld(Bukkit.java:226) at org.bukkit.WorldCreator.createWorld(WorldCreator.java:235) at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:395) at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:376) at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:359) at com.onarandombox.MultiverseCore.utils.WorldManager.loadWorlds(WorldManager.java:650) at com.onarandombox.MultiverseCore.MultiverseCore.onEnable(MultiverseCore.java:304) at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:217) at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:457) at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:381) at org.bukkit.craftbukkit.v1_6_R3.CraftServer.loadPlugin(CraftServer.java:282) at org.bukkit.craftbukkit.v1_6_R3.CraftServer.enablePlugins(CraftServer.java:264) at net.minecraft.server.v1_6_R3.MinecraftServer.l(MinecraftServer.java:315) at net.minecraft.server.v1_6_R3.MinecraftServer.f(MinecraftServer.java:292) at net.minecraft.server.v1_6_R3.MinecraftServer.a(MinecraftServer.java:252) at net.minecraft.server.v1_6_R3.DedicatedServer.init(DedicatedServer.java:152) at net.minecraft.server.v1_6_R3.MinecraftServer.run(MinecraftServer.java:393) at net.minecraft.server.v1_6_R3.ThreadServerApplication.run(SourceFile:583) Caused by: java.lang.NoClassDefFoundError: org/bukkit/craftbukkit/v1_5_R3/CraftWorld at uk.co.jacekk.bukkit.almostflatlands.WorldListener.onWorldInit(WorldListener.java:28) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425) ... 22 more Caused by: java.lang.ClassNotFoundException: org.bukkit.craftbukkit.v1_5_R3.CraftWorld at org.bukkit.plugin.java.PluginClassLoader.findClass0(PluginClassLoader.java:70) at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:53) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) ... 28 more 2013-10-20 13:40:41 [INFO] Preparing start region for level 4 (Seed: -2170899089754700020)

AnthonyAMC commented 10 years ago

Same issues here.

[14:34:33] [Server thread/INFO]: [Multiverse-Core] Enabling Multiverse-Core v2.5-b670
[14:34:33] [Server thread/INFO]: [Multiverse-Core] [AllPay] - Version 13.0 - using only an item based economy for Multiverse-Core v2.5-b670
[14:34:33] [Server thread/ERROR]: Could not pass event WorldInitEvent to AlmostFlatLands v0.2.1
org.bukkit.event.EventException
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:320) ~[2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:30) ~[2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:482) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:467) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.craftbukkit.v1_7_R1.CraftServer.createWorld(CraftServer.java:782) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.Bukkit.createWorld(Bukkit.java:228) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.WorldCreator.createWorld(WorldCreator.java:239) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:421) [Multiverse-Core-2.5.jar:?]
    at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:402) [Multiverse-Core-2.5.jar:?]
    at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:377) [Multiverse-Core-2.5.jar:?]
    at com.onarandombox.MultiverseCore.utils.WorldManager.loadWorlds(WorldManager.java:676) [Multiverse-Core-2.5.jar:?]
    at com.onarandombox.MultiverseCore.MultiverseCore.onEnable(MultiverseCore.java:303) [Multiverse-Core-2.5.jar:?]
    at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:250) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:350) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:385) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.craftbukkit.v1_7_R1.CraftServer.loadPlugin(CraftServer.java:303) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.craftbukkit.v1_7_R1.CraftServer.enablePlugins(CraftServer.java:285) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at net.minecraft.server.v1_7_R1.MinecraftServer.m(MinecraftServer.java:347) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at net.minecraft.server.v1_7_R1.MinecraftServer.g(MinecraftServer.java:324) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at net.minecraft.server.v1_7_R1.MinecraftServer.a(MinecraftServer.java:280) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at net.minecraft.server.v1_7_R1.DedicatedServer.init(DedicatedServer.java:186) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:436) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
Caused by: java.lang.NoClassDefFoundError: org/bukkit/craftbukkit/v1_6_R3/CraftWorld
    at uk.co.jacekk.bukkit.almostflatlands.WorldListener.onWorldInit(WorldListener.java:28) ~[?:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_03]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[?:1.7.0_03]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_03]
    at java.lang.reflect.Method.invoke(Method.java:601) ~[?:1.7.0_03]
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:318) ~[2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    ... 23 more
Caused by: java.lang.ClassNotFoundException: org.bukkit.craftbukkit.v1_6_R3.CraftWorld
    at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:67) ~[2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:62) ~[2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:423) ~[?:1.7.0_03]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:356) ~[?:1.7.0_03]
    at uk.co.jacekk.bukkit.almostflatlands.WorldListener.onWorldInit(WorldListener.java:28) ~[?:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_03]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[?:1.7.0_03]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_03]
    at java.lang.reflect.Method.invoke(Method.java:601) ~[?:1.7.0_03]
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:318) ~[2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    ... 23 more
[14:34:33] [Server thread/INFO]: Preparing start region for level 1 (Seed: 4342221525801700825)
[14:34:33] [Server thread/INFO]: [WorldEdit] Using inbuilt NmsBlock for this version.
[14:34:33] [Server thread/INFO]: Preparing start region for level 2 (Seed: -8665615353928167220)
[14:34:33] [Server thread/INFO]: Preparing start region for level 3 (Seed: -7922674029298122316)
[14:34:34] [Server thread/INFO]: Preparing start region for level 4 (Seed: 8015607235876318943)
[14:34:35] [Server thread/INFO]: Preparing start region for level 5 (Seed: 2745815923032977173)
[14:34:35] [Server thread/INFO]: Preparing start region for level 6 (Seed: -3625641165230414988)
[14:34:36] [Server thread/ERROR]: Could not pass event WorldInitEvent to AlmostFlatLands v0.2.1
org.bukkit.event.EventException
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:320) ~[2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:30) ~[2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:482) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:467) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.craftbukkit.v1_7_R1.CraftServer.createWorld(CraftServer.java:782) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.Bukkit.createWorld(Bukkit.java:228) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.WorldCreator.createWorld(WorldCreator.java:239) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:421) [Multiverse-Core-2.5.jar:?]
    at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:402) [Multiverse-Core-2.5.jar:?]
    at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:377) [Multiverse-Core-2.5.jar:?]
    at com.onarandombox.MultiverseCore.utils.WorldManager.loadWorlds(WorldManager.java:676) [Multiverse-Core-2.5.jar:?]
    at com.onarandombox.MultiverseCore.MultiverseCore.onEnable(MultiverseCore.java:303) [Multiverse-Core-2.5.jar:?]
    at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:250) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:350) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:385) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.craftbukkit.v1_7_R1.CraftServer.loadPlugin(CraftServer.java:303) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.craftbukkit.v1_7_R1.CraftServer.enablePlugins(CraftServer.java:285) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at net.minecraft.server.v1_7_R1.MinecraftServer.m(MinecraftServer.java:347) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at net.minecraft.server.v1_7_R1.MinecraftServer.g(MinecraftServer.java:324) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at net.minecraft.server.v1_7_R1.MinecraftServer.a(MinecraftServer.java:280) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at net.minecraft.server.v1_7_R1.DedicatedServer.init(DedicatedServer.java:186) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:436) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
Caused by: java.lang.NoClassDefFoundError: org/bukkit/craftbukkit/v1_6_R3/CraftWorld
    at uk.co.jacekk.bukkit.almostflatlands.WorldListener.onWorldInit(WorldListener.java:28) ~[?:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_03]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[?:1.7.0_03]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_03]
    at java.lang.reflect.Method.invoke(Method.java:601) ~[?:1.7.0_03]
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:318) ~[2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    ... 23 more
[14:34:36] [Server thread/INFO]: Preparing start region for level 7 (Seed: 3603025526978561010)
[14:34:36] [Server thread/ERROR]: Could not pass event WorldInitEvent to AlmostFlatLands v0.2.1
org.bukkit.event.EventException
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:320) ~[2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:30) ~[2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:482) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:467) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.craftbukkit.v1_7_R1.CraftServer.createWorld(CraftServer.java:782) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.Bukkit.createWorld(Bukkit.java:228) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.WorldCreator.createWorld(WorldCreator.java:239) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:421) [Multiverse-Core-2.5.jar:?]
    at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:402) [Multiverse-Core-2.5.jar:?]
    at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:377) [Multiverse-Core-2.5.jar:?]
    at com.onarandombox.MultiverseCore.utils.WorldManager.loadWorlds(WorldManager.java:676) [Multiverse-Core-2.5.jar:?]
    at com.onarandombox.MultiverseCore.MultiverseCore.onEnable(MultiverseCore.java:303) [Multiverse-Core-2.5.jar:?]
    at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:250) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:350) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:385) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.craftbukkit.v1_7_R1.CraftServer.loadPlugin(CraftServer.java:303) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.craftbukkit.v1_7_R1.CraftServer.enablePlugins(CraftServer.java:285) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at net.minecraft.server.v1_7_R1.MinecraftServer.m(MinecraftServer.java:347) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at net.minecraft.server.v1_7_R1.MinecraftServer.g(MinecraftServer.java:324) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at net.minecraft.server.v1_7_R1.MinecraftServer.a(MinecraftServer.java:280) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at net.minecraft.server.v1_7_R1.DedicatedServer.init(DedicatedServer.java:186) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:436) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
Caused by: java.lang.NoClassDefFoundError: org/bukkit/craftbukkit/v1_6_R3/CraftWorld
    at uk.co.jacekk.bukkit.almostflatlands.WorldListener.onWorldInit(WorldListener.java:28) ~[?:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_03]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[?:1.7.0_03]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_03]
    at java.lang.reflect.Method.invoke(Method.java:601) ~[?:1.7.0_03]
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:318) ~[2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    ... 23 more
[14:34:36] [Server thread/INFO]: Preparing start region for level 8 (Seed: 7700832062643204921)
[14:34:36] [Server thread/ERROR]: Could not pass event WorldInitEvent to AlmostFlatLands v0.2.1
org.bukkit.event.EventException
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:320) ~[2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:30) ~[2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:482) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:467) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.craftbukkit.v1_7_R1.CraftServer.createWorld(CraftServer.java:782) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.Bukkit.createWorld(Bukkit.java:228) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.WorldCreator.createWorld(WorldCreator.java:239) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:421) [Multiverse-Core-2.5.jar:?]
    at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:402) [Multiverse-Core-2.5.jar:?]
    at com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:377) [Multiverse-Core-2.5.jar:?]
    at com.onarandombox.MultiverseCore.utils.WorldManager.loadWorlds(WorldManager.java:676) [Multiverse-Core-2.5.jar:?]
    at com.onarandombox.MultiverseCore.MultiverseCore.onEnable(MultiverseCore.java:303) [Multiverse-Core-2.5.jar:?]
    at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:250) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:350) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:385) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.craftbukkit.v1_7_R1.CraftServer.loadPlugin(CraftServer.java:303) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at org.bukkit.craftbukkit.v1_7_R1.CraftServer.enablePlugins(CraftServer.java:285) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at net.minecraft.server.v1_7_R1.MinecraftServer.m(MinecraftServer.java:347) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at net.minecraft.server.v1_7_R1.MinecraftServer.g(MinecraftServer.java:324) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at net.minecraft.server.v1_7_R1.MinecraftServer.a(MinecraftServer.java:280) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at net.minecraft.server.v1_7_R1.DedicatedServer.init(DedicatedServer.java:186) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:436) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
Caused by: java.lang.NoClassDefFoundError: org/bukkit/craftbukkit/v1_6_R3/CraftWorld
    at uk.co.jacekk.bukkit.almostflatlands.WorldListener.onWorldInit(WorldListener.java:28) ~[?:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_03]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[?:1.7.0_03]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_03]
    at java.lang.reflect.Method.invoke(Method.java:601) ~[?:1.7.0_03]
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:318) ~[2014-02-03-14-25-34-spigot.jar:git-Spigot-1303]
    ... 23 more