[04:36:45] [Server thread/ERROR]: Could not load 'plugins/LongerMessages_v1.0.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: de/inventivegames/longmsg/LongerMessages : Unsupported major.minor version 52.0
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:135) ~[Spigot.jar:git-PaperSpigot-38a38e0-53fac9f]
	at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:329) ~[Spigot.jar:git-PaperSpigot-38a38e0-53fac9f]
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:251) [Spigot.jar:git-PaperSpigot-38a38e0-53fac9f]
	at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugins(CraftServer.java:292) [Spigot.jar:git-PaperSpigot-38a38e0-53fac9f]
	at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:202) [Spigot.jar:git-PaperSpigot-38a38e0-53fac9f]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [Spigot.jar:git-PaperSpigot-38a38e0-53fac9f]
	at java.lang.Thread.run(Unknown Source) [?:1.7.0_01]
Caused by: java.lang.UnsupportedClassVersionError: de/inventivegames/longmsg/LongerMessages : Unsupported major.minor version 52.0
	at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.7.0_01]
	at java.lang.ClassLoader.defineClass(Unknown Source) ~[?:1.7.0_01]
	at java.security.SecureClassLoader.defineClass(Unknown Source) ~[?:1.7.0_01]
	at java.net.URLClassLoader.defineClass(Unknown Source) ~[?:1.7.0_01]
	at java.net.URLClassLoader.access$100(Unknown Source) ~[?:1.7.0_01]
	at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.7.0_01]
	at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.7.0_01]
	at java.security.AccessController.doPrivileged(Native Method) ~[?:1.7.0_01]
	at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.7.0_01]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:101) ~[Spigot.jar:git-PaperSpigot-38a38e0-53fac9f]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:86) ~[Spigot.jar:git-PaperSpigot-38a38e0-53fac9f]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_01]
	at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_01]
	at java.lang.Class.forName0(Native Method) ~[?:1.7.0_01]
	at java.lang.Class.forName(Unknown Source) ~[?:1.7.0_01]
	at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:64) ~[Spigot.jar:git-PaperSpigot-38a38e0-53fac9f]
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:131) ~[Spigot.jar:git-PaperSpigot-38a38e0-53fac9f]
	... 6 more
[04:36:45] [Server thread/ERROR]: ebean.properties not found
[04:36:45] [Server thread/WARN]: No Entities found in ClassPath using ClassPathReader [com.avaje.ebeaninternal.server.util.DefaultClassPathReader@761012ee] Classpath Searched[[file:/home/mc_68559/Spigot.jar]]
[04:36:45] [Server thread/INFO]: Classpath search hits in jars[] pkgs[]  searchTime[1]