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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 PrinceOfAmber
, 1 year ago
java.lang.NoClassDefFoundError: com/vanhal/progressiveautomation/items/ItemRFEngine
via GitHub by yannik603
, 1 year ago
java.lang.NoClassDefFoundError: com/vanhal/progressiveautomation/items/ItemRFEngine
via GitHub by dyip16
, 1 year ago
java.lang.NoClassDefFoundError: com/vanhal/progressiveautomation/items/ItemRFEngine
via GitHub by D4r33lMistaTwista
, 1 year ago
java.lang.NoClassDefFoundError: com/smithsmodding/armory/common/item/ItemArmorComponent
via GitHub by mario-88ce
, 2 years ago
java.lang.NoClassDefFoundError: com/dyonovan/neotech/pipes/blocks/BlockPipeSpecial
via GitHub by SamB440
, 1 year ago
java.lang.NoClassDefFoundError: modconfig/IConfigCategory
net.minecraftforge.fml.common.LoaderException: java.lang.NoClassDefFoundError: com/vanhal/progressiveautomation/items/ItemRFEngine at net.minecraftforge.fml.common.LoadController.transition(LoadController.java:179) at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:555) at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:210) at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:437) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:349) 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: com/vanhal/progressiveautomation/items/ItemRFEngine at com.vanhal.progressiveautomation.ProgressiveAutomation.<clinit>(ProgressiveAutomation.java:49) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:344) at net.minecraftforge.fml.common.FMLModContainer.constructMod(FMLModContainer.java:474) 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:228) at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:206) 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:135) at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:524) ... 10 moreCaused by: java.lang.ClassNotFoundException: com.vanhal.progressiveautomation.items.ItemRFEngine 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) ... 36 moreCaused by: java.lang.NoClassDefFoundError: cofh/api/energy/IEnergyContainerItem 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) ... 38 moreCaused by: java.lang.ClassNotFoundException: cofh.api.energy.IEnergyContainerItem 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) ... 42 more