2012-10-06 00:32:43 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
2012-10-06 00:32:48 [SEVERE] Could not pass event BlockFromToEvent to CoreProtect
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:341)
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:477)
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462)
	at net.minecraft.server.BlockFlowing.b(BlockFlowing.java:107)
	at net.minecraft.server.WorldServer.a(WorldServer.java:462)
	at net.minecraft.server.WorldServer.doTick(WorldServer.java:169)
	at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:557)
	at net.minecraft.server.DedicatedServer.q(DedicatedServer.java:213)
	at net.minecraft.server.MinecraftServer.p(MinecraftServer.java:473)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:405)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)
Caused by: java.lang.OutOfMemoryError: unable to create new native thread
	at java.lang.Thread.start0(Native Method)
	at java.lang.Thread.start(Unknown Source)
	at com.minerealm.core.CoreProtectionBlockListener.onBlockFromTo(CoreProtectionBlockListener.java:407)
	at sun.reflect.GeneratedMethodAccessor147.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:339)
	... 11 more