org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: com/radiofreederp/nodebbintegration/NodeBBIntegrationBukkit : Unsupported major.minor version 52.0

GitHub | Couby | 5 months ago
  1. 0

    java.lang.UnsupportedClassVersionError

    GitHub | 5 months ago | Couby
    org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: com/radiofreederp/nodebbintegration/NodeBBIntegrationBukkit : Unsupported major.minor version 52.0
  2. 0

    Could not load 'plugins/mcore.jar' in folder 'plugins' org.bukkit.plugin.InvalidPluginException

    GitHub | 3 years ago | Myrkwell
    org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: com/massivecraft/mcore/MCore : Unsupported major.minor version 51.0
  3. 0

    DOES NOT LOAD! I HAVE JAVA 7

    GitHub | 3 years ago | kiammcquaid
    org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: com/massivecraft/mcore/MCore : Unsupported major.minor version 51.0
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  5. 0

    MCore will not load. (CB 1.6.4-R2.0)(Factions 2.2.2)(MCore 6.9.1)(JAVA 7)

    GitHub | 3 years ago | finnthehuman11
    org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: com/massivecraft/mcore/MCore : Unsupported major.minor version 51.0
  6. 0

    I have the new version of Java and it still doesnt work. I have java 7

    GitHub | 3 years ago | kiammcquaid
    org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: com/massivecraft/mcore/MCore : Unsupported major.minor version 51.0

  1. Rafael Fischer Viola 1 times, last 2 days ago
  2. andyglick 3 times, last 1 month ago
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Root Cause Analysis

  1. java.lang.UnsupportedClassVersionError

    com/radiofreederp/nodebbintegration/NodeBBIntegrationBukkit : 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_101]
    2. java.lang.ClassLoader.defineClass(ClassLoader.java:803)[?:1.7.0_101]
    3. java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)[?:1.7.0_101]
    4. java.net.URLClassLoader.defineClass(URLClassLoader.java:449)[?:1.7.0_101]
    5. java.net.URLClassLoader.access$100(URLClassLoader.java:71)[?:1.7.0_101]
    6. java.net.URLClassLoader$1.run(URLClassLoader.java:361)[?:1.7.0_101]
    7. java.net.URLClassLoader$1.run(URLClassLoader.java:355)[?:1.7.0_101]
    8. java.security.AccessController.doPrivileged(Native Method)[?:1.7.0_101]
    9. java.net.URLClassLoader.findClass(URLClassLoader.java:354)[?:1.7.0_101]
    9 frames
  3. Bukkit
    PluginClassLoader.findClass
    1. org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:77)[bukkit.jar:git-Bukkit-6053c5c]
    2. org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:62)[bukkit.jar:git-Bukkit-6053c5c]
    2 frames
  4. Java RT
    Class.forName
    1. java.lang.ClassLoader.loadClass(ClassLoader.java:425)[?:1.7.0_101]
    2. java.lang.ClassLoader.loadClass(ClassLoader.java:358)[?:1.7.0_101]
    3. java.lang.Class.forName0(Native Method)[?:1.7.0_101]
    4. java.lang.Class.forName(Class.java:278)[?:1.7.0_101]
    4 frames
  5. Bukkit
    SimplePluginManager.loadPlugins
    1. org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:40)[bukkit.jar:git-Bukkit-6053c5c]
    2. org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:129)[bukkit.jar:git-Bukkit-6053c5c]
    3. org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:328)[bukkit.jar:git-Bukkit-6053c5c]
    4. org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:251)[bukkit.jar:git-Bukkit-6053c5c]
    4 frames
  6. org.bukkit.craftbukkit
    CraftServer.<init>
    1. org.bukkit.craftbukkit.v1_10_R1.CraftServer.loadPlugins(CraftServer.java:294)[bukkit.jar:git-Bukkit-6053c5c]
    2. org.bukkit.craftbukkit.v1_10_R1.CraftServer.<init>(CraftServer.java:256)[bukkit.jar:git-Bukkit-6053c5c]
    2 frames
  7. net.minecraft.server
    MinecraftServer.run
    1. net.minecraft.server.v1_10_R1.PlayerList.<init>(PlayerList.java:70)[bukkit.jar:git-Bukkit-6053c5c]
    2. net.minecraft.server.v1_10_R1.DedicatedPlayerList.<init>(SourceFile:14)[bukkit.jar:git-Bukkit-6053c5c]
    3. net.minecraft.server.v1_10_R1.DedicatedServer.init(DedicatedServer.java:184)[bukkit.jar:git-Bukkit-6053c5c]
    4. net.minecraft.server.v1_10_R1.MinecraftServer.run(MinecraftServer.java:514)[bukkit.jar:git-Bukkit-6053c5c]
    4 frames
  8. Java RT
    Thread.run
    1. java.lang.Thread.run(Thread.java:745)[?:1.7.0_101]
    1 frame