Error when loading my plugin

Discussion in 'Plugin Development' started by Blacktiger07, Nov 22, 2011.

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    Blacktiger07

    Hello,
    can anyone tell me what that error means?
    Code:
    07:36:26 [SCHWERWIEGEND] Could not load 'plugins\SignInteract.jar' in folder 'plugins':
    java.lang.UnsupportedClassVersionError: blacktiger07/signinteract/SignInteract : Unsupported major.minor version 51.0
            at java.lang.ClassLoader.defineClass1(Native Method)
            at java.lang.ClassLoader.defineClassCond(Unknown Source)
            at java.lang.ClassLoader.defineClass(Unknown Source)
            at java.security.SecureClassLoader.defineClass(Unknown Source)
            at java.net.URLClassLoader.defineClass(Unknown Source)
            at java.net.URLClassLoader.access$000(Unknown Source)
            at java.net.URLClassLoader$1.run(Unknown Source)
            at java.security.AccessController.doPrivileged(Native Method)
            at java.net.URLClassLoader.findClass(Unknown Source)
            at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:36)
            at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:24)
            at java.lang.ClassLoader.loadClass(Unknown Source)
            at java.lang.ClassLoader.loadClass(Unknown Source)
            at java.lang.Class.forName0(Native Method)
            at java.lang.Class.forName(Unknown Source)
            at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:170)
            at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:215)
            at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:136)
            at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:141)
            at org.bukkit.craftbukkit.CraftServer.<init>(CraftServer.java:117)
            at net.minecraft.server.ServerConfigurationManager.<init>(ServerConfigurationManager.java:52)
            at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:141)
            at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:388)
            at net.minecraft.server.ThreadServerApplication.run(SourceFile:457)

    Thanks
     
  2. Offline

    polaris120990

    @Blacktiger07 The error that you are getting indicates that you compiled your plugin under a newer version of the JDK than the one you are attempting to use to run it.
     
  3. Offline

    Blacktiger07

    how can i fox this? im not the one to solve problems like this, i like writing plugins more :)
     
  4. Offline

    Taco

    Just throwing this out there, possibly update your JDK and JRE?
     
  5. Offline

    Lolmewn

    Can I see some plugin.yml?
     
  6. Offline

    Blacktiger07

    you can see everything you want. just go to
    github.com
     
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