CitizensDev/Citizens — Issue #433: Won't let me create Npc's
Author: flamemaaster3457
Created: 2011-12-04 02:50:27+00:00
State: open

09:46 PM [SEVERE] java.lang.NullPointerException
09:46 PM [SEVERE] at net.minecraft.server.NetworkListenThread.a(SourceFile:63)
09:46 PM [SEVERE] at net.minecraft.server.NetLoginHandler.a(NetLoginHandler.java:146)
09:46 PM [SEVERE] at net.minecraft.server.Packet254GetInfo.a(SourceFile:16)
09:46 PM [SEVERE] at net.minecraft.server.NetworkManager.b(NetworkManager.java:226)
09:46 PM [SEVERE] at net.minecraft.server.NetLoginHandler.a(NetLoginHandler.java:46)
09:46 PM [SEVERE] at net.minecraft.server.NetworkListenThread.a(SourceFile:94)
09:46 PM [SEVERE] at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:516)
09:46 PM [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:414)
09:46 PM [SEVERE] at net.minecraft.server.ThreadServerApplication.run(SourceFile:457)
09:46 PM [INFO] /192.168.1.106:54920 lost connection
09:46 PM [INFO] /192.168.1.106:54929 lost connection
09:46 PM [INFO] flamemaster3457 [/192.168.1.106:54932] logged in with entity id 476 at ([World] 489.18988478379487, 87.0, -955.4051012016203)
09:46 PM [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
09:46 PM [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
09:46 PM [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
09:46 PM [SEVERE] java.lang.NoClassDefFoundError: net/minecraft/server/Packet17
09:46 PM [SEVERE] at net.citizensnpcs.resources.npclib.PathNPC.(PathNPC.java:24)
09:46 PM [SEVERE] at net.citizensnpcs.resources.npclib.CraftNPC.(CraftNPC.java:15)
09:46 PM [SEVERE] at net.citizensnpcs.resources.npclib.NPCSpawner.spawnNPC(NPCSpawner.java:29)
09:46 PM [SEVERE] at net.citizensnpcs.resources.npclib.NPCManager.register(NPCManager.java:162)
09:46 PM [SEVERE] at net.citizensnpcs.resources.npclib.NPCManager.register(NPCManager.java:191)
09:46 PM [SEVERE] at net.citizensnpcs.commands.BasicCommands.create(BasicCommands.java:223)
09:46 PM [SEVERE] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
09:46 PM [SEVERE] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
09:46 PM [SEVERE] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
09:46 PM [SEVERE] at java.lang.reflect.Method.invoke(Unknown Source)
09:46 PM [SEVERE] at net.citizensnpcs.resources.sk89q.CommandsManager.executeMethod(CommandsManager.java:517)
09:46 PM [SEVERE] at net.citizensnpcs.resources.sk89q.CommandsManager.execute(CommandsManager.java:405)
09:46 PM [INFO] [Citizens] An error has occurred, please wait while it is sent to the developers...
09:46 PM [INFO] [Citizens] Below is the stacktrace that has been transmitted to the developers, no other information has been included other than Citizens version information.
09:46 PM [SEVERE] at net.citizensnpcs.Citizens.onCommand(Citizens.java:200)
09:46 PM [SEVERE] at org.bukkit.command.PluginCommand.execute(PluginCommand.java:40)
09:46 PM [SEVERE] at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:165)
09:46 PM [SEVERE] at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:370)
09:46 PM [SEVERE] at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:756)
09:46 PM [SEVERE] at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:721)
09:46 PM [SEVERE] at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:714)
09:46 PM [SEVERE] at net.minecraft.server.Packet3Chat.a(Packet3Chat.java:33)
09:46 PM [SEVERE] at net.minecraft.server.NetworkManager.b(NetworkManager.java:226)
09:46 PM [SEVERE] at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:92)
09:46 PM [SEVERE] at net.minecraft.server.NetworkListenThread.a(SourceFile:108)
09:46 PM [SEVERE] at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:516)
09:46 PM [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:414)
09:46 PM [SEVERE] at net.minecraft.server.ThreadServerApplication.run(SourceFile:457)
09:46 PM [SEVERE] Caused by: java.lang.ClassNotFoundException: net.minecraft.server.Packet17
09:46 PM [SEVERE] at java.net.URLClassLoader$1.run(Unknown Source)
09:46 PM [SEVERE] at java.security.AccessController.doPrivileged(Native Method)
09:46 PM [SEVERE] at java.net.URLClassLoader.findClass(Unknown Source)
09:46 PM [SEVERE] at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:36)
09:46 PM [SEVERE] at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:24)

Server is running newest bukkit update, and newest Citizen's update. Citizen's was working, but for some reason now it isnt. Please help, thanks.
09:46 PM [SEVERE] at java.lang.ClassLoader.loadClass(Unknown Source)
09:46 PM [SEVERE] ... 26 more