Found error in console. Figured I would post it.

[BakedBrotato]

2012-04-05 22:16:33 [WARNING] Task of 'Citizens' generated an exception java.lang.NoSuchMethodError: net.citizensnpcs.utils.EntityUtils.getMonsterName(Lorg/bukkit/entity/Entity;)Ljava/lang/String; at net.citizensnpcs.guards.flags.FlagSorter$6.apply(FlagSorter.java:122) at net.citizensnpcs.guards.flags.FlagSorter$6.apply(FlagSorter.java:1) at com.google.common.collect.Iterators$7.computeNext(Iterators.java:645) at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:141) at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:136) at net.citizensnpcs.guards.flags.FlagSorter.getPossible(FlagSorter.java:150) at net.citizensnpcs.guards.flags.FlagList.process(FlagList.java:35) at net.citizensnpcs.guards.flags.FlagList.processEntities(FlagList.java:59) at net.citizensnpcs.guards.Targeter.findTarget(Targeter.java:14) at net.citizensnpcs.guards.types.Bouncer.findTarget(Bouncer.java:24) at net.citizensnpcs.guards.types.Bouncer.updateStatus(Bouncer.java:64) at net.citizensnpcs.guards.Guard.updateStatus(Guard.java:135) at net.citizensnpcs.guards.GuardTask.run(GuardTask.java:23) at org.bukkit.craftbukkit.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:126) at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:517) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:449) at net.minecraft.server.ThreadServerApplication.run(SourceFile:492) 2012-04-05 22:16:33 [WARNING] Task of 'Citizens' generated an exception java.lang.NoSuchMethodError: net.citizensnpcs.utils.EntityUtils.getMonsterName(Lorg/bukkit/entity/Entity;)Ljava/lang/String; at net.citizensnpcs.guards.flags.FlagSorter$6.apply(FlagSorter.java:122) at net.citizensnpcs.guards.flags.FlagSorter$6.apply(FlagSorter.java:1) at com.google.common.collect.Iterators$7.computeNext(Iterators.java:645) at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:141) at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:136) at net.citizensnpcs.guards.flags.FlagSorter.getPossible(FlagSorter.java:150) at net.citizensnpcs.guards.flags.FlagList.process(FlagList.java:35) at net.citizensnpcs.guards.flags.FlagList.processEntities(FlagList.java:59) at net.citizensnpcs.guards.Targeter.findTarget(Targeter.java:14) at net.citizensnpcs.guards.types.Bouncer.findTarget(Bouncer.java:24) at net.citizensnpcs.guards.types.Bouncer.updateStatus(Bouncer.java:64) at net.citizensnpcs.guards.Guard.updateStatus(Guard.java:135) at net.citizensnpcs.guards.GuardTask.run(GuardTask.java:23) at org.bukkit.craftbukkit.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:126) at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:517) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:449)

[bloodriot]

Please post your version numbers.

Can you recreate this error message?

• If so, what steps are needed to do so?

It sounds like its failing to look up an entity name when dealing with a flag.

[BakedBrotato]

1.2.5 bukkit server. Craftbukkit version: 1.2.5 (build # uncertain: first stable 1.2.5 R1) Citizens version: 1.2

Error messages spam server log. Cause is autonomous. Also, This.

at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:551) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:449) at net.minecraft.server.ThreadServerApplication.run(SourceFile:492) Caused by: java.lang.NoSuchMethodError: net.citizensnpcs.api.event.CitizensEvent.(Ljava/lang/String;)V at net.citizensnpcs.questers.api.events.QuestEvent.(QuestEvent.java:14) at net.citizensnpcs.questers.api.events.QuestBeginEvent.(QuestBeginEvent.java:13) at net.citizensnpcs.questers.QuestManager.assignQuest(QuestManager.java:74) at net.citizensnpcs.questers.Quester.attemptAssign(Quester.java:130) at net.citizensnpcs.questers.Quester.onRightClick(Quester.java:70) at net.citizensnpcs.resources.npclib.HumanNPC.callRightClick(HumanNPC.java:73) at net.citizensnpcs.listeners.EntityListen.onEntityTarget(EntityListen.java:99) 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:301) ... 18 more 2012-04-13 18:43:36 [SEVERE] Could not pass event NPCTargetEvent to Citizens org.bukkit.event.EventException at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:303) at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:459) at net.citizensnpcs.listeners.PlayerListen.onPlayerInteractEntity(PlayerListen.java:51) 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:301) at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:459) at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:978) at net.minecraft.server.Packet7UseEntity.handle(SourceFile:33) at net.minecraft.server.NetworkManager.b(NetworkManager.java:229) at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:113) at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:78) at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:551) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:449) at net.minecraft.server.ThreadServerApplication.run(SourceFile:492) Caused by: java.lang.NoSuchMethodError: net.citizensnpcs.api.event.CitizensEvent.(Ljava/lang/String;)V at net.citizensnpcs.questers.api.events.QuestEvent.(QuestEvent.java:14) at net.citizensnpcs.questers.api.events.QuestBeginEvent.(QuestBeginEvent.java:13) at net.citizensnpcs.questers.QuestManager.assignQuest(QuestManager.java:74) at net.citizensnpcs.questers.Quester.attemptAssign(Quester.java:130) at net.citizensnpcs.questers.Quester.onRightClick(Quester.java:70) at net.citizensnpcs.resources.npclib.HumanNPC.callRightClick(HumanNPC.java:73) at net.citizensnpcs.listeners.EntityListen.onEntityTarget(EntityListen.java:99) 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:301) ... 18 more 2012-04-13 18:43:37 [SEVERE] Could not pass event NPCTargetEvent to Citizens org.bukkit.event.EventException at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:303) at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:459) at net.citizensnpcs.listeners.PlayerListen.onPlayerInteractEntity(PlayerListen.java:51) 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:301) at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:459) at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:978) at net.minecraft.server.Packet7UseEntity.handle(SourceFile:33) at net.minecraft.server.NetworkManager.b(NetworkManager.java:229) at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:113) at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:78) at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:551) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:449) at net.minecraft.server.ThreadServerApplication.run(SourceFile:492) Caused by: java.lang.NoSuchMethodError: net.citizensnpcs.api.event.CitizensEvent.(Ljava/lang/String;)V at net.citizensnpcs.questers.api.events.QuestEvent.(QuestEvent.java:14) at net.citizensnpcs.questers.api.events.QuestBeginEvent.(QuestBeginEvent.java:13) at net.citizensnpcs.questers.QuestManager.assignQuest(QuestManager.java:74) at net.citizensnpcs.questers.Quester.attemptAssign(Quester.java:130) at net.citizensnpcs.questers.Quester.onRightClick(Quester.java:70) at net.citizensnpcs.resources.npclib.HumanNPC.callRightClick(HumanNPC.java:73) at net.citizensnpcs.listeners.EntityListen.onEntityTarget(EntityListen.java:99) 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:301) ... 18 more 2012-04-13 18:43:38 [SEVERE] Could not pass event NPCTargetEvent to Citizens org.bukkit.event.EventException at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:303) at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:459) at net.citizensnpcs.listeners.PlayerListen.onPlayerInteractEntity(PlayerListen.java:51) 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:301) at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:459) at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:978) at net.minecraft.server.Packet7UseEntity.handle(SourceFile:33) at net.minecraft.server.NetworkManager.b(NetworkManager.java:229) at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:113) at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:78) at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:551) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:449) at net.minecraft.server.ThreadServerApplication.run(SourceFile:492) Caused by: java.lang.NoSuchMethodError: net.citizensnpcs.api.event.CitizensEvent.(Ljava/lang/String;)V at net.citizensnpcs.questers.api.events.QuestEvent.(QuestEvent.java:14) at net.citizensnpcs.questers.api.events.QuestBeginEvent.(QuestBeginEvent.java:13) at net.citizensnpcs.questers.QuestManager.assignQuest(QuestManager.java:74) at net.citizensnpcs.questers.Quester.attemptAssign(Quester.java:130) at net.citizensnpcs.questers.Quester.onRightClick(Quester.java:70) at net.citizensnpcs.resources.npclib.HumanNPC.callRightClick(HumanNPC.java:73) at net.citizensnpcs.listeners.EntityListen.onEntityTarget(EntityListen.java:99) 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:301) ... 18 more

[CR33PAH]

Have you tried reinstalling the plugin? That sometimes helps.