Minecraft keeps crashing.

Unity · July 10, 2019

I am getting a crash on launch saying:

"ava.lang.ClassNotFoundException: net.minecraft.item.BlockItem"

I have quite a few mods. How do I fix this?

ProPane865 · July 10, 2019

What mods do you have? Are you on 1.14?

Edited July 10, 2019 by ProPane865

Unity · July 11, 2019

On 7/10/2019 at 12:32 AM, diesieben07 said:

Post logs.

idk but here is the crash report.

Sorry for late post

---- Minecraft Crash Report ----

WARNING: coremods are present:
IvToolkit (IvToolkit-1.3.3-1.12.jar)
Contact their authors BEFORE contacting forge

// Surprise! Haha. Well, this is awkward.

Time: 7/11/19 9:01 AM
Description: Initializing game

java.lang.NoClassDefFoundError: net/minecraft/item/BlockItem
   at net.darkhax.darkutils.DarkUtils.<clinit>(DarkUtils.java:53)
   at java.lang.Class.forName0(Native Method)
   at java.lang.Class.forName(Class.java:348)
   at net.minecraftforge.fml.common.FMLModContainer.constructMod(FMLModContainer.java:526)
   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:497)
   at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)
   at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150)
   at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76)
   at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399)
   at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71)
   at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)
   at com.google.common.eventbus.EventBus.post(EventBus.java:217)
   at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:218)
   at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:196)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:497)
   at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)
   at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150)
   at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76)
   at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399)
   at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71)
   at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)
   at com.google.common.eventbus.EventBus.post(EventBus.java:217)
   at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:135)
   at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:593)
   at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:232)
   at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:466)
   at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:377)
   at net.minecraft.client.main.Main.main(SourceFile:123)
   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:497)
   at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
   at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Caused by: java.lang.ClassNotFoundException: net.minecraft.item.BlockItem
   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)
   ... 40 more
Caused by: java.lang.NullPointerException

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Client thread
Stacktrace:
   at net.darkhax.darkutils.DarkUtils.<clinit>(DarkUtils.java:53)
   at java.lang.Class.forName0(Native Method)
   at java.lang.Class.forName(Class.java:348)
   at net.minecraftforge.fml.common.FMLModContainer.constructMod(FMLModContainer.java:526)
   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:497)
   at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)
   at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150)
   at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76)
   at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399)
   at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71)
   at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)
   at com.google.common.eventbus.EventBus.post(EventBus.java:217)
   at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:218)
   at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:196)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:497)
   at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)
   at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150)
   at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76)
   at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399)
   at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71)
   at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)
   at com.google.common.eventbus.EventBus.post(EventBus.java:217)
   at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:135)
   at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:593)
   at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:232)
   at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:466)

-- Initialization --
Details:
Stacktrace:
   at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:377)
   at net.minecraft.client.main.Main.main(SourceFile:123)
   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:497)
   at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
   at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

-- System Details --
Details:
   Minecraft Version: 1.12.2
   Operating System: Windows 10 (amd64) version 10.0
   Java Version: 1.8.0_51, Oracle Corporation
   Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
   Memory: 307993976 bytes (293 MB) / 805306368 bytes (768 MB) up to 2147483648 bytes (2048 MB)
   JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
   IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
   FML: MCP 9.42 Powered by Forge 14.23.5.2768 22 mods loaded, 22 mods active
   States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored

   | State | ID | Version | Source | Signature |
   |:----- |:----------------- |:----------------- |:----------------------------------------------- |:---------------------------------------- |
   | UC | minecraft | 1.12.2 | minecraft.jar | None |
   | UC | mcp | 9.42 | minecraft.jar | None |
   | UC | FML | 8.0.99.99 | forge-1.12.2-14.23.5.2768.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 |
   | UC | forge | 14.23.5.2768 | forge-1.12.2-14.23.5.2768.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 |
   | UC | ivtoolkit | 1.3.3-1.12 | minecraft.jar | None |
   | UC | aether_legacy | 1.4.4 | aether_legacy-1.12.2-v1.4.4.jar | None |
   | UC | bookshelf | 2.3.585 | Bookshelf-1.12.2-2.3.585.jar | None |
   | UC | redstoneflux | 2.1.0 | RedstoneFlux-1.12-2.1.0.6-universal.jar | 8a6abf2cb9e141b866580d369ba6548732eff25f |
   | UC | cofhcore | 4.6.3 | CoFHCore-1.12.2-4.6.3.27-universal.jar | None |
   | UC | cofhworld | 1.3.1 | CoFHWorld-1.12.2-1.3.1.7-universal.jar | 8a6abf2cb9e141b866580d369ba6548732eff25f |
   | UC | jei | 4.15.0.268 | jei_1.12.2-4.15.0.268.jar | None |
   | U | darkutils | 1.8.226 | DarkUtils-1.12.2-1.8.226.jar | None |
   | U | journeymap | 1.12.2-5.5.4 | journeymap-1.12.2-5.5.4.jar | None |
   | U | mantle | 1.12-1.3.3.55 | Mantle-1.12-1.3.3.55.jar | None |
   | U | millenaire | Millénaire 7.2.1 | millenaire-1.12.2-7.2.1.jar | None |
   | U | oreexcavation | 1.4.140 | OreExcavation-1.4.140.jar | None |
   | U | reccomplex | 1.4.8.2 | RecurrentComplex-1.4.8.2.jar | None |
   | U | stellarapi | 1.12.2-0.4.2.9 | Stellar+API-1.12.2-0.4.2.9.jar | None |
   | U | stellarsky | 1.12.2-0.5.2.8 | Stellar+Sky-1.12.2-0.5.2.8.jar | None |
   | U | twilightforest | 3.8.689 | twilightforest-1.12.2-3.8.689-universal.jar | None |
   | U | tconstruct | 1.12.2-2.12.0.157 | TConstruct-1.12.2-2.12.0.157.jar | None |
   | U | thermalfoundation | 2.6.3 | ThermalFoundation-1.12.2-2.6.3.27-universal.jar | None |

   Loaded coremods (and transformers):
IvToolkit (IvToolkit-1.3.3-1.12.jar)

   GL info: ' Vendor: 'Intel' Version: '4.5.0 - Build 22.20.16.4749' Renderer: 'Intel(R) HD Graphics 520'
   Launched Version: 1.12.2-forge1.12.2-14.23.5.2768
   LWJGL: 2.9.4
   OpenGL: Intel(R) HD Graphics 520 GL version 4.5.0 - Build 22.20.16.4749, Intel
   GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

   Using VBOs: Yes
   Is Modded: Definitely; Client brand changed to 'fml,forge'
   Type: Client (map_client.txt)
   Resource Packs:
   Current Language: English (US)
   Profiler Position: N/A (disabled)
   CPU: 4x Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz

idk but here is the crash report.

Sorry for late post

Unity · July 11, 2019

On 7/9/2019 at 9:52 PM, ProPane865 said:

What mods do you have? Are you on 1.14?

1.12.2

as for mods

twilightforest-1.12.2-3.8.689-universal

ThermalFoundation-1.12.2-2.6.3.27-universal

TConstruct-1.12.2-2.12.0.157

Stellar+Sky-1.12.2-0.5.2.8

Stellar+API-1.12.2-0.4.2.9

RedstoneFlux-1.12-2.1.0.6-universal

OreExcavation-1.4.140

millenaire-1.12.2-7.2.1

Mantle-1.12-1.3.3.55

journeymap-1.12.2-5.5.4

jei_1.12.2-4.15.0.268

DarkUtils-1.12.2-1.8.226

CoFHWorld-1.12.2-1.3.1.7-universal

CoFHCore-1.12.2-4.6.3.27-universal

Bookshelf-1.14.2-4.0.14

Bookshelf-1.12.2-2.3.585

aether_legacy-1.12.2-v1.4.4

The crash report is in another comment on this thread.

Sorry for the late reply the day after I wrote the post I went driving to Nebraska from Colorado. Visiting family.

Just got time to get set up again.

And I am aware some of the mods are not for the correct version. but I don't care too much tbh.

ProPane865 · July 11, 2019

2 hours ago, Unity said:

1.12.2

as for mods

twilightforest-1.12.2-3.8.689-universal

ThermalFoundation-1.12.2-2.6.3.27-universal

TConstruct-1.12.2-2.12.0.157

Stellar+Sky-1.12.2-0.5.2.8

Stellar+API-1.12.2-0.4.2.9

RedstoneFlux-1.12-2.1.0.6-universal

OreExcavation-1.4.140

millenaire-1.12.2-7.2.1

Mantle-1.12-1.3.3.55

journeymap-1.12.2-5.5.4

jei_1.12.2-4.15.0.268

DarkUtils-1.12.2-1.8.226

CoFHWorld-1.12.2-1.3.1.7-universal

CoFHCore-1.12.2-4.6.3.27-universal

Bookshelf-1.14.2-4.0.14

Bookshelf-1.12.2-2.3.585

aether_legacy-1.12.2-v1.4.4

The crash report is in another comment on this thread.

Sorry for the late reply the day after I wrote the post I went driving to Nebraska from Colorado. Visiting family.

Just got time to get set up again.

And I am aware some of the mods are not for the correct version. but I don't care too much tbh.

You should care, because of API changes in newer versions of Minecraft!

Edited July 11, 2019 by ProPane865

Unity · July 12, 2019

6 hours ago, ProPane865 said:

You should care, because of API changes in newer versions of Minecraft!

Well what's the problem with the game?

ProPane865 · July 13, 2019

On 7/11/2019 at 5:27 PM, Unity said:

Well what's the problem with the game?

You can't use 1.14 mods with 1.12 because of the massive API changes! I bet bookshelf 1.14 is the problem.

Edited July 13, 2019 by ProPane865

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