Could not load 'plugins/Hub.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.NullPointerException
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:182) ~[spigot.jar:git-Spigot-1235]
	at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:309) ~[spigot.jar:git-Spigot-1235]
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:231) [spigot.jar:git-Spigot-1235]
	at org.bukkit.craftbukkit.v1_7_R1.CraftServer.loadPlugins(CraftServer.java:259) [spigot.jar:git-Spigot-1235]
	at net.minecraft.server.v1_7_R1.DedicatedServer.init(DedicatedServer.java:135) [spigot.jar:git-Spigot-1235]
	at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:430) [spigot.jar:git-Spigot-1235]
	at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [spigot.jar:git-Spigot-1235]
Caused by: java.lang.NullPointerException
	at me.BlazingBroGamer.Hub.BukkitListener.<init>(BukkitListener.java:47) ~[?:?]
	at me.BlazingBroGamer.Hub.Hub.<init>(Hub.java:17) ~[?:?]
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.7.0_45]
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) ~[?:1.7.0_45]
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.7.0_45]
	at java.lang.reflect.Constructor.newInstance(Constructor.java:526) ~[?:1.7.0_45]
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:178) ~[spigot.jar:git-Spigot-1235]
	... 6 more