I can t run my server

The Aternos forums are now deprecated

Learn more about this change here.

For help regarding Aternos, we recommend you to visit our support center.

  • Everything worked fine until I added mods to my server. The error in the log looks like this: What shold I do? I can send list of mods that i uadded too.

    [main/ERROR] [LaunchWrapper]: Unable to launch
    1181java.lang.ClassNotFoundException: net.minecraft.server.MinecraftServer
    1182at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) ~[launchwrapper-1.12.jar:?]
    1183at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_222]
    1184at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_222]
    1185at java.lang.Class.forName0(Native Method) ~[?:1.8.0_222]
    1186at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_222]
    1187at net.minecraft.launchwrapper.Launch.launch(Launch.java:131) [launchwrapper-1.12.jar:?]
    1188at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
    1189at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_222]
    1190at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_222]
    1191at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_222]
    1192at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_222]
    1193at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:70) [forge.jar:?]
    1194at net.minecraftforge.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:34) [forge.jar:?]
    1195Caused by: org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An unexpected critical error was encountered
    1196at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClassBytes(MixinTransformer.java:521) ~[malisiscore-1.12.2-6.5.1.jar:1.12.2-6.5.1-SNAPSHOT]
    1197at org.spongepowered.asm.mixin.transformer.Proxy.transform(Proxy.java:72) ~[malisiscore-1.12.2-6.5.1.jar:1.12.2-6.5.1-SNAPSHOT]
    1198at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) ~[launchwrapper-1.12.jar:?]
    1199at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) ~[launchwrapper-1.12.jar:?]
    1200... 12 more
    1201Caused by: java.lang.AbstractMethodError: org.dimdev.vanillafix.ModCompatibilityMixinPlugin.preApply(Ljava/lang/String;Lorg/spongepowered/asm/lib/tree/ClassNode;Ljava/lang/String;Lorg/spongepowered/asm/mixin/extensibility/IMixinInfo;)V
    1202at org.spongepowered.asm.mixin.transformer.MixinInfo.preApply(MixinInfo.java:1212) ~[malisiscore-1.12.2-6.5.1.jar:1.12.2-6.5.1-SNAPSHOT]
    1203at org.spongepowered.asm.mixin.transformer.MixinTargetContext.preApply(MixinTargetContext.java:1126) ~[malisiscore-1.12.2-6.5.1.jar:1.12.2-6.5.1-SNAPSHOT]
    1204at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:274) ~[malisiscore-1.12.2-6.5.1.jar:1.12.2-6.5.1-SNAPSHOT]
    1205at org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:353) ~[malisiscore-1.12.2-6.5.1.jar:1.12.2-6.5.1-SNAPSHOT]
    1206at org.spongepowered.asm.mixin.transformer.MixinTransformer.apply(MixinTransformer.java:724) ~[malisiscore-1.12.2-6.5.1.jar:1.12.2-6.5.1-SNAPSHOT]
    1207at org.spongepowered.asm.mixin.transformer.MixinTransformer.applyMixins(MixinTransformer.java:703) ~[malisiscore-1.12.2-6.5.1.jar:1.12.2-6.5.1-SNAPSHOT]
    1208at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClassBytes(MixinTransformer.java:509) ~[malisiscore-1.12.2-6.5.1.jar:1.12.2-6.5.1-SNAPSHOT]
    1209at org.spongepowered.asm.mixin.transformer.Proxy.transform(Proxy.java:72) ~[malisiscore-1.12.2-6.5.1.jar:1.12.2-6.5.1-SNAPSHOT]
    1210at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279) ~[launchwrapper-1.12.jar:?]
    1211at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176) ~[launchwrapper-1.12.jar:?]
    1212... 12 more
  • Copy the link of the log in Log and send it here, instead of pasting text of the log

  • Roman

    Closed the thread.