Could not pass event PotionSplashEvent to Factions v2.0.1

[LemADEC]

2013-07-09 12:20:44 [SEVERE] Could not pass event PotionSplashEvent to Factions v2.0.1
org.bukkit.event.EventException
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:363)
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:47)
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
at org.bukkit.craftbukkit.v1_5_R3.event.CraftEventFactory.callPotionSplashEvent(CraftEventFactory.java:289)
at net.minecraft.entity.projectile.EntityPotion.func_70184_a(EntityPotion.java:132)
at net.minecraft.entity.projectile.EntityThrowable.func_70071_h_(EntityThrowable.java:201)
at net.minecraft.world.World.func_72866_a(World.java:2511)
at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:921)
at net.minecraft.world.World.func_72870_g(World.java:2464)
at net.minecraft.world.World.func_72939_s(World.java:2276)
at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:786)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:820)
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:320)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:716)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:600)
at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)
Caused by: java.lang.IllegalArgumentException: Instant potions cannot be extended
at org.apache.commons.lang.Validate.isTrue(Validate.java:157)
at org.bukkit.potion.Potion.setHasExtendedDuration(Potion.java:246)
at org.bukkit.potion.Potion.extend(Potion.java:130)
at org.bukkit.potion.Potion.fromDamage(Potion.java:380)
at org.bukkit.potion.Potion.fromItemStack(Potion.java:389)
at com.massivecraft.mcore.util.MUtil.getPotionEffects(MUtil.java:301)
at com.massivecraft.mcore.util.MUtil.isHarmfulPotion(MUtil.java:338)
at com.massivecraft.mcore.util.MUtil.isHarmfulPotion(MUtil.java:350)
at com.massivecraft.factions.listeners.FactionsListenerMain.canCombatDamageHappen(FactionsListenerMain.java:252)
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:361)
... 17 more

This is happening on our 100 players PvP server. It seems factions is trying to extend potion duration but fails to do so ?!?

[oloflarsson]

This is fixed in a recent update to MCore.