Помогите Ошибка приводит к крашу сервера. "java.lang.NoClassDefFoundError: net/minecraft/world/CallableLvl3"

что за ошибка?Одну знаю написало не хватает памяти. А что за "java.lang.NoClassDefFoundError: net/minecraft/world/CallableLvl3"?

Код:

18:01:31 [SEVERE] java.lang.NoClassDefFoundError: net/minecraft/world/CallableLvl3
18:01:31 [SEVERE]      at net.minecraft.world.World.func_72914_a(World.java:5134)
18:01:31 [SEVERE]      at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:877)
18:01:31 [SEVERE]      at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:330)
18:01:31 [SEVERE]      at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:777)
18:01:31 [SEVERE]      at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:659)
18:01:31 [SEVERE]      at net.minecraft.server.ThreadMinecraftServer.run(ThreadMinecraftServer.java:16)
18:01:31 [SEVERE] Caused by: java.lang.ClassNotFoundException: net.minecraft.world.CallableLvl3
18:01:31 [SEVERE]      at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:186)
18:01:31 [SEVERE]      at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
18:01:31 [SEVERE]      at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
18:01:31 [SEVERE]      ... 6 more
18:01:31 [SEVERE] Caused by: java.lang.OutOfMemoryError: PermGen space
18:01:31 [SEVERE]      at java.lang.ClassLoader.defineClass1(Native Method)
18:01:31 [SEVERE]      at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
18:01:31 [SEVERE]      at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
18:01:31 [SEVERE]      at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:178)
18:01:31 [SEVERE]      ... 8 more
18:01:31 [SEVERE] Encountered an unexpected exception NoClassDefFoundError
java.lang.NoClassDefFoundError: net/minecraft/world/CallableLvl3
        at net.minecraft.world.World.func_72914_a(World.java:5134)
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:877)
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:330)
        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:777)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:659)
        at net.minecraft.server.ThreadMinecraftServer.run(ThreadMinecraftServer.java:16)
Caused by: java.lang.ClassNotFoundException: net.minecraft.world.CallableLvl3
        at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:186)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
        ... 6 more
Caused by: java.lang.OutOfMemoryError: PermGen space
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
        at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:178)
        ... 8 more

 

UP

 

OOM это.
Потому что размер PermGen надо расширять для сервера.

 

что такое PermGen?
понял.