Warning: WorldLock failed to load worldlock.dat!
java.io.EOFException
        at java.io.DataInputStream.readInt(Unknown Source)
        at com.bukkit.obliviousonion.WorldLock.WorldLock.loadLock(WorldLock.java
:177)
        at com.bukkit.obliviousonion.WorldLock.WorldLock.onEnable(WorldLock.java
:78)
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:135)
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader
.java:410)
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManage
r.java:175)
        at org.bukkit.craftbukkit.CraftServer.loadPlugin(CraftServer.java:74)
        at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:55)
        at org.bukkit.craftbukkit.CraftServer.reload(CraftServer.java:193)
        at com.earth2me.essentials.commands.Commandreloadall.run(Commandreloadal
l.java:27)
        at com.earth2me.essentials.commands.EssentialsCommand.run(EssentialsComm
and.java:42)
        at com.earth2me.essentials.Essentials.onCommand(Essentials.java:635)
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:17)
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:77
)
        at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:1
71)
        at net.minecraft.server.NetServerHandler.c(NetServerHandler.java:596)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:575)
        at net.minecraft.server.Packet3Chat.a(SourceFile:24)
        at net.minecraft.server.NetworkManager.a(SourceFile:232)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:72)
        at net.minecraft.server.NetworkListenThread.a(SourceFile:104)
        at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:317)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:232)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:512)