java.lang.reflect.invocationTargetException : null issue with alexsmobs

lillcait · January 16, 2023

when trying to play my forge modpack i get this message : Alex's mobs (alexmobs) has failed to load correctly java.lang.refelct.InvocationTargetExeption: null

i originally had an issue with crashing due to the language provider issue which was fixed for alex's mobs and another mod i have downloaded but now im getting this crash message. Ive never had this issue with this mod before so im completely blank on what it means and how to fix it

my crashlog:

---- Minecraft Crash Report ----
// Daisy, daisy...

Time: 1/16/23, 5:55 PM
Description: Mod loading error has occurred

java.lang.Exception: Mod Loading has failed
   at net.minecraftforge.logging.CrashReportExtender.dumpModLoadingCrashReport(CrashReportExtender.java:55) ~[forge-1.19-41.1.0-universal.jar%23188!/:?] {re:classloading}
   at net.minecraftforge.client.loading.ClientModLoader.completeModLoading(ClientModLoader.java:167) ~[forge-1.19-41.1.0-universal.jar%23188!/:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.Minecraft.lambda$new$1(Minecraft.java:561) ~[client-1.19-20220607.102129-srg.jar%23183!/:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:bookshelf.common.mixins.json:client.AccessorMinecraft,pl:mixin:APP:architectury.mixins.json:MixinMinecraft,pl:mixin:APP:balm.mixins.json:MinecraftMixin,pl:mixin:APP:byg_forge.mixins.json:client.MixinMinecraft,pl:mixin:A,pl:runtimedistcleaner:A}
   at net.minecraft.Util.m_137521_(Util.java:432) ~[client-1.19-20220607.102129-srg.jar%23183!/:?] {re:mixin,re:classloading,pl:mixin:APP:blue_skies.mixins.json:UtilMixin,pl:mixin:APP:mixin.imdlib-betteranimalsplus.json:UtilMixin,pl:mixin:A}
   at net.minecraft.client.Minecraft.lambda$new$2(Minecraft.java:555) ~[client-1.19-20220607.102129-srg.jar%23183!/:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:bookshelf.common.mixins.json:client.AccessorMinecraft,pl:mixin:APP:architectury.mixins.json:MixinMinecraft,pl:mixin:APP:balm.mixins.json:MinecraftMixin,pl:mixin:APP:byg_forge.mixins.json:client.MixinMinecraft,pl:mixin:A,pl:runtimedistcleaner:A}
   at net.minecraft.client.gui.screens.LoadingOverlay.m_6305_(LoadingOverlay.java:135) ~[client-1.19-20220607.102129-srg.jar%23183!/:?] {re:classloading,pl:runtimedistcleaner:A}
   at net.minecraft.client.renderer.GameRenderer.m_109093_(GameRenderer.java:885) ~[client-1.19-20220607.102129-srg.jar%23183!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
   at net.minecraft.client.Minecraft.m_91383_(Minecraft.java:1084) ~[client-1.19-20220607.102129-srg.jar%23183!/:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:bookshelf.common.mixins.json:client.AccessorMinecraft,pl:mixin:APP:architectury.mixins.json:MixinMinecraft,pl:mixin:APP:balm.mixins.json:MinecraftMixin,pl:mixin:APP:byg_forge.mixins.json:client.MixinMinecraft,pl:mixin:A,pl:runtimedistcleaner:A}
   at net.minecraft.client.Minecraft.m_91374_(Minecraft.java:669) ~[client-1.19-20220607.102129-srg.jar%23183!/:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:bookshelf.common.mixins.json:client.AccessorMinecraft,pl:mixin:APP:architectury.mixins.json:MixinMinecraft,pl:mixin:APP:balm.mixins.json:MinecraftMixin,pl:mixin:APP:byg_forge.mixins.json:client.MixinMinecraft,pl:mixin:A,pl:runtimedistcleaner:A}
   at net.minecraft.client.main.Main.main(Main.java:206) ~[client-1.19-20220607.102129-srg.jar%23183!/:?] {re:classloading,pl:runtimedistcleaner:A}
   at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] {}
   at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] {}
   at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] {}
   at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?] {}
   at net.minecraftforge.fml.loading.targets.CommonClientLaunchHandler.lambda$launchService$0(CommonClientLaunchHandler.java:27) ~[fmlloader-1.19-41.1.0.jar%2393!/:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:30) [modlauncher-10.0.8.jar%2381!/:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) [modlauncher-10.0.8.jar%2381!/:?] {}
   at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) [modlauncher-10.0.8.jar%2381!/:?] {}
   at cpw.mods.modlauncher.Launcher.run(Launcher.java:106) [modlauncher-10.0.8.jar%2381!/:?] {}
   at cpw.mods.modlauncher.Launcher.main(Launcher.java:77) [modlauncher-10.0.8.jar%2381!/:?] {}
   at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) [modlauncher-10.0.8.jar%2381!/:?] {}
   at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) [modlauncher-10.0.8.jar%2381!/:?] {}
   at cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:141) [bootstraplauncher-1.1.2.jar:?] {}

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

-- Head --
Thread: Render thread
Stacktrace:
   at cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:141) ~[securejarhandler-2.1.4.jar:?] {}
-- MOD alexsmobs --
Details:
   Caused by 0: java.lang.reflect.InvocationTargetException
       at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:?] {}
       at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77) ~[?:?] {}
       at jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:?] {}
       at java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) ~[?:?] {}
       at java.lang.reflect.Constructor.newInstance(Constructor.java:480) ~[?:?] {}
       at net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:68) ~[javafmllanguage-1.19-41.1.0.jar%23185!/:?] {}
       at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$10(ModContainer.java:121) ~[fmlcore-1.19-41.1.0.jar%23184!/:?] {}
       at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804) ~[?:?] {}
       at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1796) ~[?:?] {}
       at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373) ~[?:?] {}
       at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182) ~[?:?] {}
       at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655) ~[?:?] {re:computing_frames}
       at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622) ~[?:?] {re:computing_frames}
       at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165) ~[?:?] {}

   Caused by 1: java.lang.NoClassDefFoundError: net/minecraftforge/client/event/ParticleFactoryRegisterEvent
       at com.github.alexthe666.alexsmobs.AlexsMobs.<init>(AlexsMobs.java:84) ~[alexsmobs-1.19.0.jar%23144!/:1.19.0] {re:classloading}
       at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:?] {}
       at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77) ~[?:?] {}
       at jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:?] {}
       at java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) ~[?:?] {}
       at java.lang.reflect.Constructor.newInstance(Constructor.java:480) ~[?:?] {}
       at net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:68) ~[javafmllanguage-1.19-41.1.0.jar%23185!/:?] {}
       at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$10(ModContainer.java:121) ~[fmlcore-1.19-41.1.0.jar%23184!/:?] {}
       at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804) ~[?:?] {}
       at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1796) ~[?:?] {}
       at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373) ~[?:?] {}
       at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182) ~[?:?] {}
       at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655) ~[?:?] {re:computing_frames}
       at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622) ~[?:?] {re:computing_frames}
       at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165) ~[?:?] {}

   Mod File: /C:/Users/Caitl/curseforge/minecraft/Instances/yolo/mods/alexsmobs-1.19.0.jar
   Failure message: Alex's Mobs (alexsmobs) has failed to load correctly
       java.lang.reflect.InvocationTargetException: null
   Mod Version: 1.19.0
   Mod Issue URL: https://github.com/Alex-the-666/AlexsMobs/issues
   Exception message: java.lang.ClassNotFoundException: net.minecraftforge.client.event.ParticleFactoryRegisterEvent
Stacktrace:
   at cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:141) ~[securejarhandler-2.1.4.jar:?] {}
   at java.lang.ClassLoader.loadClass(ClassLoader.java:520) ~[?:?] {}
   at com.github.alexthe666.alexsmobs.AlexsMobs.<init>(AlexsMobs.java:84) ~[alexsmobs-1.19.0.jar%23144!/:1.19.0] {re:classloading}
   at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:?] {}
   at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77) ~[?:?] {}
   at jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:?] {}
   at java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) ~[?:?] {}
   at java.lang.reflect.Constructor.newInstance(Constructor.java:480) ~[?:?] {}
   at net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:68) ~[javafmllanguage-1.19-41.1.0.jar%23185!/:?] {}
   at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$10(ModContainer.java:121) ~[fmlcore-1.19-41.1.0.jar%23184!/:?] {}
   at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804) ~[?:?] {}
   at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1796) ~[?:?] {}
   at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373) ~[?:?] {}
   at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182) ~[?:?] {}
   at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655) ~[?:?] {re:computing_frames}
   at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622) ~[?:?] {re:computing_frames}
   at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165) ~[?:?] {}

warjort · January 16, 2023

If you know the problem mod, check you have the latest version then contact the mod author.

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java.lang.reflect.invocationTargetException : null issue with alexsmobs

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