My server will crash before starting server is 1.7.10 forge

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    [01:03:35] [main/ERROR] [FML/]: An error occurred trying to configure the minecraft home at /aternos/server/. for Forge Mod Loader
    113 java.lang.NoClassDefFoundError: net/minecraftforge/fml/relauncher/IFMLLoadingPlugin
    114 at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_222]
    115 at java.lang.ClassLoader.defineClass(ClassLoader.java:763) ~[?:1.8.0_222]
    116 at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[?:1.8.0_222]
    117 at java.net.URLClassLoader.defineClass(URLClassLoader.java:468) ~[?:1.8.0_222]
    118 at java.net.URLClassLoader.access$100(URLClassLoader.java:74) ~[?:1.8.0_222]
    119 at java.net.URLClassLoader$1.run(URLClassLoader.java:369) ~[?:1.8.0_222]
    120 at java.net.URLClassLoader$1.run(URLClassLoader.java:363) ~[?:1.8.0_222]
    121 at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_222]
    122 at java.net.URLClassLoader.findClass(URLClassLoader.java:362) ~[?:1.8.0_222]
    123 at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:117) ~[launchwrapper-1.12.jar:?]
    124 at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_222]
    125 at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_222]
    126 at java.lang.Class.forName0(Native Method) ~[?:1.8.0_222]
    127 at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_222]
    128 at cpw.mods.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:460) ~[forge.jar:?]
    129 at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:389) ~[forge.jar:?]
    130 at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:221) ~[forge.jar:?]
    131 at cpw.mods.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90) [forge.jar:?]
    132 at cpw.mods.fml.relauncher.FMLLaunchHandler.setupServer(FMLLaunchHandler.java:74) [forge.jar:?]
    133 at cpw.mods.fml.relauncher.FMLLaunchHandler.configureForServerLaunch(FMLLaunchHandler.java:39) [forge.jar:?]
    134 at cpw.mods.fml.common.launcher.FMLServerTweaker.injectIntoClassLoader(FMLServerTweaker.java:23) [forge.jar:?]
    135 at net.minecraft.launchwrapper.Launch.launch(Launch.java:115) [launchwrapper-1.12.jar:?]
    136 at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
    137 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_222]
    138 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_222]
    139 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_222]
    140 at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_222]
    141 at cpw.mods.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:43) [forge.jar:?]
    142 at cpw.mods.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:12) [forge.jar:?]
    143 Caused by: java.lang.ClassNotFoundException: net.minecraftforge.fml.relauncher.IFMLLoadingPlugin
    144 at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.12.jar:?]
    145 at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_222]
    146 at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_222]
    147 ... 29 more
    148 Caused by: java.lang.NullPointerException
    149 at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ~[launchwrapper-1.12.jar:?]
    150 at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_222]
    151 at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_222]
    152 ... 29 more

  • Roman

    Closed the thread.