Solved DwarfForge mystery error

Discussion in 'Bukkit Help' started by Stormbow, Jun 7, 2013.

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  1. Offline

    Stormbow

    Can anyone tell me what this error means? I am running MC 1.5.2 with bukkit 1.5.2 and I am using dwarf forge 1.5.2, so why am I getting a version error?

    Code:
    16:50:05 [INFO] This server is running CraftBukkit version git-Bukkit-1.5.2-R0.1-b2771jnks (MC: 1.5.2) (Implementing API version 1.5.2-R0.1)
    16:50:05 [SEVERE] Could not load 'plugins\DwarfForge.jar' in folder 'plugins'
    org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: org/simiancage/bukkit/DwarfForge/DwarfForge : Unsupported major.minor version 51.0
            at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:184)
            at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:305)
            at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:230)
            at org.bukkit.craftbukkit.v1_5_R3.CraftServer.loadPlugins(CraftServer.java:239)
            at org.bukkit.craftbukkit.v1_5_R3.CraftServer.<init>(CraftServer.java:217)
            at net.minecraft.server.v1_5_R3.PlayerList.<init>(PlayerList.java:55)
            at net.minecraft.server.v1_5_R3.DedicatedPlayerList.<init>(SourceFile:11)
            at net.minecraft.server.v1_5_R3.DedicatedServer.init(DedicatedServer.java:106)
            at net.minecraft.server.v1_5_R3.MinecraftServer.run(MinecraftServer.java:382)
            at net.minecraft.server.v1_5_R3.ThreadServerApplication.run(SourceFile:573)
    Caused by: java.lang.UnsupportedClassVersionError: org/simiancage/bukkit/DwarfForge/DwarfForge : 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.findClass0(PluginClassLoader.java:80)
            at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:53)
            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:173)
            ... 9 more
     
  2. Offline

    willp

    The Plugin Probably Needs to be Updated to 1.5.2
     
  3. Offline

    Stormbow

    That's what I thought too, but the guy in charge of it says it is, and it works for 1.5.2 on his server.
     
  4. Offline

    Necrodoom

    the error means it needs java 7.
     
    Stormbow likes this.
  5. Offline

    Stormbow

    Are you sure about that? Because I have all sorts of Java, including 7, and still get that error.

    [​IMG]

    Ahhhhh! You -are- right.

    My launcher was using the jre6/bin/ folder, not jre7.

    THANKS!!

    EDIT by Moderator: merged posts, please use the edit button instead of double posting.
     
    Last edited by a moderator: Jun 1, 2016
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