[16:07:00 ERROR]: Could not load 'plugins/TheJump.jar' in folder 'plugins'
org.bukkit.plugin.InvalidDescriptionException: commands are of wrong type
	at org.bukkit.plugin.PluginDescriptionFile.loadMap(PluginDescriptionFile.java:946) ~[server.jar:git-Spigot-db6de12-18fbb24]
	at org.bukkit.plugin.PluginDescriptionFile.<init>(PluginDescriptionFile.java:232) ~[server.jar:git-Spigot-db6de12-18fbb24]
	at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:159) ~[server.jar:git-Spigot-db6de12-18fbb24]
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:133) [server.jar:git-Spigot-db6de12-18fbb24]
	at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugins(CraftServer.java:292) [server.jar:git-Spigot-db6de12-18fbb24]
	at org.bukkit.craftbukkit.v1_8_R3.CraftServer.reload(CraftServer.java:739) [server.jar:git-Spigot-db6de12-18fbb24]
	at org.bukkit.Bukkit.reload(Bukkit.java:535) [server.jar:git-Spigot-db6de12-18fbb24]
	at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:25) [server.jar:git-Spigot-db6de12-18fbb24]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) [server.jar:git-Spigot-db6de12-18fbb24]
	at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:641) [server.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1162) [server.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:997) [server.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:45) [server.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:1) [server.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [server.jar:git-Spigot-db6de12-18fbb24]
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_11]
	at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_11]
	at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [server.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:715) [server.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [server.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [server.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [server.jar:git-Spigot-db6de12-18fbb24]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_11]
Caused by: java.lang.ClassCastException: java.lang.String cannot be cast to java.util.Map
	at org.bukkit.plugin.PluginDescriptionFile.loadMap(PluginDescriptionFile.java:925) ~[server.jar:git-Spigot-db6de12-18fbb24]
	... 22 more
...zur Antwort

[09:58:18] [Server thread/ERROR]: Could not load 'plugins/LobbySystem.jar' in folder 'plugins'

org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: de/SargentPidizzel/main/main : Unsupported major.minor version 52.0

   at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:135) ~[server.jar:git-Spigot-db6de12-18fbb24]

   at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:329) ~[server.jar:git-Spigot-db6de12-18fbb24]

   at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:251) [server.jar:git-Spigot-db6de12-18fbb24]

   at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugins(CraftServer.java:292) [server.jar:git-Spigot-db6de12-18fbb24]

   at org.bukkit.craftbukkit.v1_8_R3.CraftServer.reload(CraftServer.java:739) [server.jar:git-Spigot-db6de12-18fbb24]

   at org.bukkit.Bukkit.reload(Bukkit.java:535) [server.jar:git-Spigot-db6de12-18fbb24]

   at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:25) [server.jar:git-Spigot-db6de12-18fbb24]

   at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) [server.jar:git-Spigot-db6de12-18fbb24]

   at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:641) [server.jar:git-Spigot-db6de12-18fbb24]

   at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1162) [server.jar:git-Spigot-db6de12-18fbb24]

   at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:997) [server.jar:git-Spigot-db6de12-18fbb24]

   at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:45) [server.jar:git-Spigot-db6de12-18fbb24]

   at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:1) [server.jar:git-Spigot-db6de12-18fbb24]

   at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [server.jar:git-Spigot-db6de12-18fbb24]

   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:473) [?:1.7.0_151]

   at java.util.concurrent.FutureTask.run(FutureTask.java:262) [?:1.7.0_151]

   at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [server.jar:git-Spigot-db6de12-18fbb24]

   at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:715) [server.jar:git-Spigot-db6de12-18fbb24]

   at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [server.jar:git-Spigot-db6de12-18fbb24]

   at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [server.jar:git-Spigot-db6de12-18fbb24]

   at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [server.jar:git-Spigot-db6de12-18fbb24]

   at java.lang.Thread.run(Thread.java:748) [?:1.7.0_151]

Caused by: java.lang.UnsupportedClassVersionError: de/SargentPidizzel/main/main : Unsupported major.minor version 52.0

   at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.7.0_151]

   at java.lang.ClassLoader.defineClass(ClassLoader.java:803) ~[?:1.7.0_151]

   at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[?:1.7.0_151]

   at java.net.URLClassLoader.defineClass(URLClassLoader.java:442) ~[?:1.7.0_151]

   at java.net.URLClassLoader.access$100(URLClassLoader.java:64) ~[?:1.7.0_151]

   at java.net.URLClassLoader$1.run(URLClassLoader.java:354) ~[?:1.7.0_151]

   at java.net.URLClassLoader$1.run(URLClassLoader.java:348) ~[?:1.7.0_151]

   at java.security.AccessController.doPrivileged(Native Method) ~[?:1.7.0_151]

   at java.net.URLClassLoader.findClass(URLClassLoader.java:347) ~[?:1.7.0_151]

   at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:101) ~[server.jar:git-Spigot-db6de12-18fbb24]

   at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:86) ~[server.jar:git-Spigot-db6de12-18fbb24]

   at java.lang.ClassLoader.loadClass(ClassLoader.java:425) ~[?:1.7.0_151]

   at java.lang.ClassLoader.loadClass(ClassLoader.java:358) ~[?:1.7.0_151]

   at java.lang.Class.forName0(Native Method) ~[?:1.7.0_151]

   at java.lang.Class.forName(Class.java:278) ~[?:1.7.0_151]

   at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:64) ~[server.jar:git-Spigot-db6de12-18fbb24]

   at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:131) ~[server.jar:git-Spigot-db6de12-18fbb24]

   ... 21 more

...zur Antwort