org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: me/OperationVOID/AutoCast/AutoCast : Unsupported major.minor version 51.0

bukkit.org | 7 months ago
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  1. 0

    Groupmanager Help Internal error? | Bukkit Forums

    bukkit.org | 7 months ago
    org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: me/OperationVOID/AutoCast/AutoCast : Unsupported major.minor version 51.0
  2. 0

    Start up error

    GitHub | 5 years ago | Dalez
    org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: com/mtihc/minecraft/treasurechest/TreasureChestPlugin : Unsupported major.minor version 51.0
  3. 0

    GitHub comment 12#7180383

    GitHub | 5 years ago | Dalez
    org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: com/mtihc/minecraft/treasurechest/v8/plugin/TreasureChestPlugin : Unsupported major.minor version 51.0
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  5. 0

    Failed to Startup

    GitHub | 5 years ago | qwahchees
    org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: Bad version num ber in .class file
  6. 0

    Error installing on Mac

    GitHub | 4 years ago | shortansweet
    org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: Bad version number in .class file

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Root Cause Analysis

  1. java.lang.UnsupportedClassVersionError

    me/OperationVOID/AutoCast/AutoCast : Unsupported major.minor version 51.0

    at java.lang.ClassLoader.defineClass1()
  2. Java RT
    URLClassLoader.findClass
    1. java.lang.ClassLoader.defineClass1(Native Method)
    2. java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
    3. java.lang.ClassLoader.defineClass(ClassLoader.java:615)
    4. java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
    5. java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
    6. java.net.URLClassLoader.access$000(URLClassLoader.java:58)
    7. java.net.URLClassLoader$1.run(URLClassLoader.java:197)
    8. java.security.AccessController.doPrivileged(Native Method)
    9. java.net.URLClassLoader.findClass(URLClassLoader.java:190)
    9 frames
  3. Bukkit
    PluginClassLoader.findClass
    1. org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:41)
    2. org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:29)
    2 frames
  4. Java RT
    Class.forName
    1. java.lang.ClassLoader.loadClass(ClassLoader.java:306)
    2. java.lang.ClassLoader.loadClass(ClassLoader.java:247)
    3. java.lang.Class.forName0(Native Method)
    4. java.lang.Class.forName(Class.java:247)
    4 frames
  5. Bukkit
    SimplePluginManager.loadPlugins
    1. org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:140)
    2. org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:305)
    3. org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:230)
    3 frames
  6. MC CraftBukkit
    CraftServer.<init>
    1. org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:213)
    2. org.bukkit.craftbukkit.CraftServer.<init>(CraftServer.java:189)
    2 frames
  7. MC Server
    ThreadServerApplication.run
    1. net.minecraft.server.ServerConfigurationManager.<init>(ServerConfigurationManager.java:53)
    2. net.minecraft.server.MinecraftServer.init(MinecraftServer.java:166)
    3. net.minecraft.server.MinecraftServer.run(MinecraftServer.java:432)
    4. net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
    4 frames