cpw.mods.fml.common.LoaderException: java.lang.ClassNotFoundException: backpack.Backpack

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

,

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

,

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.

Solutions on the web

via stackexchange.com by Unknown author, 2 years ago
java.lang.ClassNotFoundException: backpack.Backpack
via Arqade by Gigi180
, 1 year ago
java.lang.ClassNotFoundException: backpack.Backpack
via GitHub by TheTactAssassin
, 1 year ago
java.lang.ClassNotFoundException: invtweaks.forge.ClientProxy
via nerdboy64.com by Unknown author, 2 years ago
java.lang.ClassNotFoundException: net.minecraft.src.SGCommonProxy
via minecraftuser.jp by Unknown author, 1 year ago
via gutefrage.net by Unknown author, 2 years ago
java.lang.ClassNotFoundException: com.gibby.dungeon.commonProxy
java.lang.ClassNotFoundException: backpack.Backpack
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:249)
at cpw.mods.fml.common.ProxyInjector.inject(ProxyInjector.java:42)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:194)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:105)
at cpw.mods.fml.common.Loader.loadMods(Loader.java:509)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:471)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:806)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:57)

Users with the same issue

Once, 1 month ago
Once, 1 year ago
Once, 1 year ago
Samebug visitor profile picture
Unknown user
Once, 5 days ago
Samebug visitor profile picture
Unknown user
Once, 1 week ago

Write tip

Know the solutions? Share your knowledge to help other developers to debug faster.