[17:41:03] [Server thread/INFO]: Starting minecraft server version 1.7.9
[17:41:03] [Server thread/INFO]: Loading properties
[17:41:04] [Server thread/INFO]: Default game type: SURVIVAL
[17:41:04] [Server thread/INFO]: Generating keypair
[17:41:05] [Server thread/INFO]: Starting Minecraft server on *:25565
[17:41:07] [Server thread/INFO]: This server is running CraftBukkit version git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks (MC: 1.7.9) (Implementing API version 1.7.9-R0.2)
[17:41:13] [Thread-7/WARN]: Could not get information about this CraftBukkit version; perhaps you are running a custom one?: IOException
[17:41:13] [Thread-7/WARN]: Could not get latest artifact information: IOException
[17:41:22] [Server thread/ERROR]: Could not load 'plugins\Massive Core.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: com/massivecraft/massivecore/MassiveCore : Unsupported major.minor version 51.0
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:131) ~[craftbukkit-1.7.9-R0.2.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
	at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:328) ~[craftbukkit-1.7.9-R0.2.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:251) [craftbukkit-1.7.9-R0.2.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
	at org.bukkit.craftbukkit.v1_7_R3.CraftServer.loadPlugins(CraftServer.java:355) [craftbukkit-1.7.9-R0.2.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
	at org.bukkit.craftbukkit.v1_7_R3.CraftServer.<init>(CraftServer.java:317) [craftbukkit-1.7.9-R0.2.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
	at net.minecraft.server.v1_7_R3.PlayerList.<init>(PlayerList.java:68) [craftbukkit-1.7.9-R0.2.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
	at net.minecraft.server.v1_7_R3.DedicatedPlayerList.<init>(SourceFile:14) [craftbukkit-1.7.9-R0.2.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
	at net.minecraft.server.v1_7_R3.DedicatedServer.init(DedicatedServer.java:126) [craftbukkit-1.7.9-R0.2.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
	at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java:436) [craftbukkit-1.7.9-R0.2.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
	at net.minecraft.server.v1_7_R3.ThreadServerApplication.run(SourceFile:628) [craftbukkit-1.7.9-R0.2.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
Caused by: java.lang.UnsupportedClassVersionError: com/massivecraft/massivecore/MassiveCore : Unsupported major.minor version 51.0
	at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.6.0_20]
	at java.lang.ClassLoader.defineClassCond(Unknown Source) ~[?:1.6.0_20]
	at java.lang.ClassLoader.defineClass(Unknown Source) ~[?:1.6.0_20]
	at java.security.SecureClassLoader.defineClass(Unknown Source) ~[?:1.6.0_20]
	at java.net.URLClassLoader.defineClass(Unknown Source) ~[?:1.6.0_20]
	at java.net.URLClassLoader.access$000(Unknown Source) ~[?:1.6.0_20]
	at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.6.0_20]
	at java.security.AccessController.doPrivileged(Native Method) ~[?:1.6.0_20]
	at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.6.0_20]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:77) ~[craftbukkit-1.7.9-R0.2.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:62) ~[craftbukkit-1.7.9-R0.2.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.6.0_20]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.6.0_20]
	at java.lang.Class.forName0(Native Method) ~[?:1.6.0_20]
	at java.lang.Class.forName(Unknown Source) ~[?:1.6.0_20]
	at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:40) ~[craftbukkit-1.7.9-R0.2.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:127) ~[craftbukkit-1.7.9-R0.2.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
	... 9 more
[17:41:23] [Server thread/ERROR]: Could not load 'plugins\Factions.jar' in folder 'plugins'
org.bukkit.plugin.UnknownDependencyException: MassiveCore
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:216) [craftbukkit-1.7.9-R0.2.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
	at org.bukkit.craftbukkit.v1_7_R3.CraftServer.loadPlugins(CraftServer.java:355) [craftbukkit-1.7.9-R0.2.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
	at org.bukkit.craftbukkit.v1_7_R3.CraftServer.<init>(CraftServer.java:317) [craftbukkit-1.7.9-R0.2.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
	at net.minecraft.server.v1_7_R3.PlayerList.<init>(PlayerList.java:68) [craftbukkit-1.7.9-R0.2.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
	at net.minecraft.server.v1_7_R3.DedicatedPlayerList.<init>(SourceFile:14) [craftbukkit-1.7.9-R0.2.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
	at net.minecraft.server.v1_7_R3.DedicatedServer.init(DedicatedServer.java:126) [craftbukkit-1.7.9-R0.2.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
	at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java:436) [craftbukkit-1.7.9-R0.2.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
	at net.minecraft.server.v1_7_R3.ThreadServerApplication.run(SourceFile:628) [craftbukkit-1.7.9-R0.2.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
[17:41:25] [Server thread/INFO]: [TimTheEnchanter] Loading TimTheEnchanter v3.0