Bukkit

What steps will reproduce the problem?
1.A player joins the game
2.
3.

What is the expected output? What do you see instead?
I expect a clean console
What I get is listed below

What version of the product are you using?
latest on bukkit

Do you have an error log of what happened?
9:09:19 AM [WARNING] [SurvivalGamesMultiverse] Task #2528 for SurvivalGamesMultiverse v1.4.7 generated an exception
9:09:19 AM java.lang.NoSuchMethodError: org.bukkit.entity.Player.setHealth(D)V
9:09:19 AM at se.lucasarnstrom.survivalgamesmultiverse.managers.PlayerManager.resetPlayer(PlayerManager.java:115)
9:09:19 AM at se.lucasarnstrom.survivalgamesmultiverse.managers.PlayerManager$1.run(PlayerManager.java:84)
9:09:19 AM at org.bukkit.craftbukkit.v1_5_R3.scheduler.CraftTask.run(CraftTask.java:58)
9:09:19 AM at org.bukkit.craftbukkit.v1_5_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:345)
9:09:19 AM at net.minecraft.server.v1_5_R3.MinecraftServer.r(MinecraftServer.java:509)
9:09:19 AM at net.minecraft.server.v1_5_R3.DedicatedServer.r(DedicatedServer.java:235)
9:09:19 AM at net.minecraft.server.v1_5_R3.MinecraftServer.q(MinecraftServer.java:472)
9:09:19 AM at net.minecraft.server.v1_5_R3.MinecraftServer.run(MinecraftServer.java:404)
9:09:19 AM at net.minecraft.server.v1_5_R3.ThreadServerApplication.run(SourceFile:573)
9:09:53 AM [WARNING] Failed to handle packet for ignas16/88.222.162.143: java.lang.IndexOutOfBoundsException: Index: 45, Size: 45
9:09:53 AM java.lang.IndexOutOfBoundsException: Index: 45, Size: 45
9:09:53 AM at java.util.ArrayList.rangeCheck(Unknown Source)
9:09:53 AM at java.util.ArrayList.get(Unknown Source)
9:09:53 AM at net.minecraft.server.v1_5_R3.Container.getSlot(Container.java:105)
9:09:53 AM at net.minecraft.server.v1_5_R3.PlayerConnection.a(PlayerConnection.java:1219)
9:09:53 AM at net.minecraft.server.v1_5_R3.Packet102WindowClick.handle(SourceFile:31)
9:09:53 AM at net.minecraft.server.v1_5_R3.NetworkManager.b(NetworkManager.java:292)
9:09:53 AM at net.minecraft.server.v1_5_R3.PlayerConnection.d(PlayerConnection.java:115)
9:09:53 AM at net.minecraft.server.v1_5_R3.ServerConnection.b(SourceFile:35)
9:09:53 AM at net.minecraft.server.v1_5_R3.DedicatedServerConnection.b(SourceFile:30)
9:09:53 AM at net.minecraft.server.v1_5_R3.MinecraftServer.r(MinecraftServer.java:583)
9:09:53 AM at net.minecraft.server.v1_5_R3.DedicatedServer.r(DedicatedServer.java:235)
9:09:53 AM at net.minecraft.server.v1_5_R3.MinecraftServer.q(MinecraftServer.java:472)
9:09:53 AM at net.minecraft.server.v1_5_R3.MinecraftServer.run(MinecraftServer.java:404)
9:09:53 AM at net.minecraft.server.v1_5_R3.ThreadServerApplication.run(SourceFile:573)

Please provide any additional information below.

The problem is that you are currently running a minecraft 1.5 server and my plugin is made to work with a 1.6 server (latest bukkit). I will look into adding a fix to make sure my plugin will work fine on older servers.