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Samebug tips

  1. ,

    This is thrown when the Java Virtual Machine (JVM) tries to load a particular class and the specified class cannot be found in the classpath. Make sure Trove library jar is added to your project's build path and you are using the latest version.

  2. ,

    Try installing the latest version of Thermal Foundation. Make sure CofH Core and Thermal Expansion are also updated to the same version as TF.

Solutions on the web

via GitHub by MochaWafer
, 1 year ago
java.lang.NoClassDefFoundError: mcjty/rftools/blocks/generator/CoalGeneratorTileEntity
via GitHub by SiblisCu
, 1 year ago
java.lang.NoClassDefFoundError: techreborn/tiles/generator/TileThermalGenerator
via GitHub by chefkoch666
, 1 year ago
java.lang.NoClassDefFoundError: forestry/core/items/ItemForestry
via GitHub by Zorg14
, 1 year ago
java.lang.NoClassDefFoundError: slimeknights/tconstruct/tools/TinkerTraits
net.minecraftforge.fml.common.LoaderException: java.lang.NoClassDefFoundError: mcjty/rftools/blocks/generator/CoalGeneratorTileEntity at net.minecraftforge.fml.common.LoadController.transition(LoadController.java:186) at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:610) at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:255) at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:439) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:351) at net.minecraft.client.main.Main.main(SourceFile:124) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:483) at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) at net.minecraft.launchwrapper.Launch.main(Launch.java:28)Caused by: java.lang.NoClassDefFoundError: mcjty/rftools/blocks/generator/CoalGeneratorTileEntity at mcjty.rftools.blocks.generator.CoalGeneratorBlock.<init>(CoalGeneratorBlock.java:35) at mcjty.rftools.blocks.generator.CoalGeneratorSetup.init(CoalGeneratorSetup.java:16) at mcjty.rftools.blocks.ModBlocks.init(ModBlocks.java:37) at mcjty.rftools.proxy.CommonProxy.preInit(CommonProxy.java:106) at mcjty.rftools.proxy.ClientProxy.preInit(ClientProxy.java:38) at mcjty.rftools.RFTools.preInit(RFTools.java:130) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:483) at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:595) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:483) at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74) at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47) at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322) at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304) at com.google.common.eventbus.EventBus.post(EventBus.java:275) at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:239) at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:217) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:483) at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74) at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47) at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322) at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304) at com.google.common.eventbus.EventBus.post(EventBus.java:275) at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:142) at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:607) ... 10 moreCaused by: java.lang.ClassNotFoundException: mcjty.rftools.blocks.generator.CoalGeneratorTileEntity at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 43 moreCaused by: java.lang.NoClassDefFoundError: mcjty/lib/entity/GenericEnergyProviderTileEntity at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:760) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182) ... 45 moreCaused by: java.lang.ClassNotFoundException: mcjty.lib.entity.GenericEnergyProviderTileEntity at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:101) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 49 more