LeashHitch hitch = null;
			try
			{
				hitch = loc.getWorld().spawn(loc, LeashHitch.class);
			}
			catch(Exception ex)
			{
				ex.printStackTrace();
			}

java.lang.NullPointerException
       at org.bukkit.craftbukkit.v1_8_R3.CraftWorld.createEntity(CraftWorld.java:1083)
       at org.bukkit.craftbukkit.v1_8_R3.CraftWorld.spawn(CraftWorld.java:1137)
       at org.bukkit.craftbukkit.v1_8_R3.CraftWorld.spawn(CraftWorld.java:862)
       at skill.chopping.TreeInstance.buildTree(TreeInstance.java:362)
       at skill.chopping.TreeInstance.<init>(TreeInstance.java:106)
       at skill.chopping.TreeInstanceManager.addTreeInstanceFromResultSet(TreeInstanceManager.java:70)
       at skill.chopping.TreeInstanceManager.loadFromDatabase(TreeInstanceManager.java:47)
       at skill.chopping.TreeInstanceManager.<init>(TreeInstanceManager.java:26)
       at skill.Chopping.setUpTrees(Chopping.java:147)
       at skill.Chopping.<init>(Chopping.java:61)
       at skill.SkillManager.registerSkills(SkillManager.java:85)
       at skill.SkillManager.<init>(SkillManager.java:42)
       at main.UnleashedSkills.setUpSkills(UnleashedSkills.java:216)
       at main.UnleashedSkills.onEnable(UnleashedSkills.java:58)
       at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321)
       at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:340)
       at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405)
       at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugin(CraftServer.java:356)
       at org.bukkit.craftbukkit.v1_8_R3.CraftServer.enablePlugins(CraftServer.java:316)
       at org.bukkit.craftbukkit.v1_8_R3.CraftServer.reload(CraftServer.java:742)
       at org.bukkit.Bukkit.reload(Bukkit.java:534)
       at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:25)
       at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141)
       at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:642)
       at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchServerCommand(CraftServer.java:628)
       at net.minecraft.server.v1_8_R3.DedicatedServer.aO(DedicatedServer.java:404)
       at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:368)
       at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657)
       at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560)
       at java.lang.Thread.run(Unknown Source)