org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: org/skywars/api/Start : Unsupported major.minor version 52.0

spigotmc.org | 9 months ago
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  1. 0

    Premium - LEAK SKY WARS [1.8 & 1.9 & 1.10] [Paid] | Page 15 | SpigotMC - High Performance Minecraft

    spigotmc.org | 9 months ago
    org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: org/skywars/api/Start : Unsupported major.minor version 52.0
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    Can't use FactionsPerms/FactionsFramework

    GitHub | 7 months ago | C0LiSii0N
    org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: me/markeh/factionsframework/FactionsFramework : Unsupported major.minor version 52.0
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    Plugin broken with latest spigot build

    GitHub | 2 years ago | bykidi
    org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: fr/xephi/authme/AuthMe : Unsupported major.minor version 52.0
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  5. 0

    GitHub comment 3#166158348

    GitHub | 1 year ago | LeonP-S
    org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: com/j0ach1mmall3/permissionsshop/Main : Unsupported major.minor version 52.0
  6. 0

    Plugin not loading.

    GitHub | 1 year ago | yetshadow
    org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: com/j0ach1mmall3/ultimatecosmetics/Main : Unsupported major.minor version 52.0

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Root Cause Analysis

  1. java.lang.UnsupportedClassVersionError

    org/skywars/api/Start : Unsupported major.minor version 52.0

    at java.lang.ClassLoader.defineClass1()
  2. Java RT
    URLClassLoader.findClass
    1. java.lang.ClassLoader.defineClass1(Native Method)[?:1.7.0_79]
    2. java.lang.ClassLoader.defineClass(ClassLoader.java:800)[?:1.7.0_79]
    3. java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)[?:1.7.0_79]
    4. java.net.URLClassLoader.defineClass(URLClassLoader.java:449)[?:1.7.0_79]
    5. java.net.URLClassLoader.access$100(URLClassLoader.java:71)[?:1.7.0_79]
    6. java.net.URLClassLoader$1.run(URLClassLoader.java:361)[?:1.7.0_79]
    7. java.net.URLClassLoader$1.run(URLClassLoader.java:355)[?:1.7.0_79]
    8. java.security.AccessController.doPrivileged(Native Method)[?:1.7.0_79]
    9. java.net.URLClassLoader.findClass(URLClassLoader.java:354)[?:1.7.0_79]
    9 frames
  3. Bukkit
    PluginClassLoader.findClass
    1. org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:101)[spigot.jar:git-Spigot-e4d4710-e1ebe52]
    2. org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:86)[spigot.jar:git-Spigot-e4d4710-e1ebe52]
    2 frames
  4. Java RT
    Class.forName
    1. java.lang.ClassLoader.loadClass(ClassLoader.java:425)[?:1.7.0_79]
    2. java.lang.ClassLoader.loadClass(ClassLoader.java:358)[?:1.7.0_79]
    3. java.lang.Class.forName0(Native Method)[?:1.7.0_79]
    4. java.lang.Class.forName(Class.java:274)[?:1.7.0_79]
    4 frames
  5. Bukkit
    SimplePluginManager.loadPlugins
    1. org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:64)[spigot.jar:git-Spigot-e4d4710-e1ebe52]
    2. org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:131)[spigot.jar:git-Spigot-e4d4710-e1ebe52]
    3. org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:329)[spigot.jar:git-Spigot-e4d4710-e1ebe52]
    4. org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:251)[spigot.jar:git-Spigot-e4d4710-e1ebe52]
    4 frames
  6. org.bukkit.craftbukkit
    CraftServer.loadPlugins
    1. org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugins(CraftServer.java:292)[spigot.jar:git-Spigot-e4d4710-e1ebe52]
    1 frame
  7. net.minecraft.server
    MinecraftServer.run
    1. net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:198)[spigot.jar:git-Spigot-e4d4710-e1ebe52]
    2. net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:525)[spigot.jar:git-Spigot-e4d4710-e1ebe52]
    2 frames
  8. Java RT
    Thread.run
    1. java.lang.Thread.run(Thread.java:745)[?:1.7.0_79]
    1 frame