gistfile1.txt

[16:44:38] [Server thread/ERROR] [ne.mi.ev.EventBus/EVENTBUS]: Exception caught during firing event: loader constraint violation: loader (instance of sun/misc/Launcher$AppClassLoader) previously initiated loading for a different type with name "net/minecraft/item/ItemStack"
	Index: 1
	Listeners:
		0: NORMAL
		1: net.minecraftforge.eventbus.EventBus$$Lambda$2022/533398008@c93a464
java.lang.LinkageError: loader constraint violation: loader (instance of sun/misc/Launcher$AppClassLoader) previously initiated loading for a different type with name "net/minecraft/item/ItemStack"
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:468)
	at java.net.URLClassLoader.access$100(URLClassLoader.java:74)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:369)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at com.ldtteam.equivalency.api.util.ItemStackUtils.<clinit>(ItemStackUtils.java:14)
	at com.ldtteam.equivalency.itemstack.equivalent.ItemStackEquivalentHelperRegistry.areItemStacksEquivalentExceptForStack(ItemStackEquivalentHelperRegistry.java:27)
	at com.ldtteam.equivalency.bootstrap.CommonBootstrapper.lambda$null$0(CommonBootstrapper.java:107)
	at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:174)
	at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382)
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
	at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
	at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:485)
	at com.ldtteam.equivalency.bootstrap.CommonBootstrapper.lambda$null$2(CommonBootstrapper.java:108)
	at java.util.ArrayList.forEach(ArrayList.java:1257)
	at com.ldtteam.equivalency.bootstrap.CommonBootstrapper.lambda$BootstrapTagInformation$3(CommonBootstrapper.java:104)
	at com.google.common.collect.ImmutableList.forEach(ImmutableList.java:408)
	at com.ldtteam.equivalency.bootstrap.CommonBootstrapper.BootstrapTagInformation(CommonBootstrapper.java:98)
	at com.ldtteam.equivalency.bootstrap.CommonBootstrapper.onWorldReload(CommonBootstrapper.java:85)
	at java.lang.Iterable.forEach(Iterable.java:75)
	at com.ldtteam.equivalency.analyzer.EquivalencyReloadListener.onServerStarted(EquivalencyReloadListener.java:57)
	at net.minecraftforge.eventbus.EventBus.doCastFilter(EventBus.java:212)
	at net.minecraftforge.eventbus.EventBus.lambda$addListener$11(EventBus.java:204)
	at net.minecraftforge.eventbus.EventBus.post(EventBus.java:258)
	at net.minecraftforge.fml.server.ServerLifecycleHooks.handleServerStarted(ServerLifecycleHooks.java:94)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:620)
	at java.lang.Thread.run(Thread.java:748)