CommonProxy.java

package leviathan143.wildblueyonder.common;

import leviathan143.wildblueyonder.common.blocks.ModBlocks;
import leviathan143.wildblueyonder.common.entities.ModEntities;
import leviathan143.wildblueyonder.common.entities.seacraft.components.VanillaComponents;
import leviathan143.wildblueyonder.common.items.ModItems;
import leviathan143.wildblueyonder.common.world.biomes.ModBiomes;
import net.minecraftforge.fml.common.event.FMLInitializationEvent;
import net.minecraftforge.fml.common.event.FMLPostInitializationEvent;
import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;

public class CommonProxy 
{
	public void preInit(FMLPreInitializationEvent event) 
	{	
		ModItems.init();
		ModBlocks.init();
		ModEntities.register();
		ModBiomes.register();
		registerRenders();
	}

	public void init(FMLInitializationEvent event) 
	{
		VanillaComponents.init();
	}

	public void postInit(FMLPostInitializationEvent event) 
	{
	}

	public void registerRenders() 
	{
		
	}
}

Crash report.txt

---- Minecraft Crash Report ----
// Uh... Did I do that?

Time: 1/23/17 8:40 AM
Description: There was a severe problem during mod loading that has caused the game to fail

net.minecraftforge.fml.common.LoaderExceptionModCrash: Caught exception from The Wild Blue Yonder (wildblueyonder)
Caused by: java.lang.ExceptionInInitializerError
	at leviathan143.wildblueyonder.common.CommonProxy.init(CommonProxy.java:25)
	at leviathan143.wildblueyonder.client.ClientProxy.init(ClientProxy.java:26)
	at leviathan143.wildblueyonder.common.WildBlueYonder.init(WildBlueYonder.java:54)
	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:498)
	at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:643)
	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:498)
	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:246)
	at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:224)
	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:498)
	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:147)
	at net.minecraftforge.fml.common.Loader.initializeMods(Loader.java:809)
	at net.minecraftforge.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:343)
	at net.minecraft.client.Minecraft.init(Minecraft.java:562)
	at net.minecraft.client.Minecraft.run(Minecraft.java:387)
	at net.minecraft.client.main.Main.main(Main.java:118)
	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:498)
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
	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:498)
	at net.minecraftforge.gradle.GradleStartCommon.launch(GradleStartCommon.java:97)
	at GradleStart.main(GradleStart.java:26)
Caused by: java.lang.NullPointerException
	at net.minecraftforge.fml.common.registry.PersistentRegistryManager.makeDelegate(PersistentRegistryManager.java:731)
	at net.minecraftforge.fml.common.registry.IForgeRegistryEntry$Impl.<init>(IForgeRegistryEntry.java:70)
	at leviathan143.wildblueyonder.api.seacraft.components.WatercraftComponent.<init>(WatercraftComponent.java:5)
	at leviathan143.wildblueyonder.common.entities.seacraft.components.TestComponent.<init>(TestComponent.java:5)
	at leviathan143.wildblueyonder.common.entities.seacraft.components.VanillaComponents.<clinit>(VanillaComponents.java:11)
	... 46 more


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

-- System Details --
Details:
	Minecraft Version: 1.11.2
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_91, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 575799688 bytes (549 MB) / 846200832 bytes (807 MB) up to 1895825408 bytes (1808 MB)
	JVM Flags: 0 total; 
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	FML: MCP 9.38 Powered by Forge 13.20.0.2224 5 mods loaded, 5 mods active
	States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
	UCHI	minecraft{1.11.2} [Minecraft] (minecraft.jar) 
	UCHI	mcp{9.19} [Minecraft Coder Pack] (minecraft.jar) 
	UCHI	FML{8.0.99.99} [Forge Mod Loader] (forgeSrc-1.11.2-13.20.0.2224-PROJECT(The Wild Blue Yonder).jar) 
	UCHI	forge{13.20.0.2224} [Minecraft Forge] (forgeSrc-1.11.2-13.20.0.2224-PROJECT(The Wild Blue Yonder).jar) 
	UCHE	wildblueyonder{{@modVersion}} [The Wild Blue Yonder] (bin) 
	Loaded coremods (and transformers): 
	GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.5.0 NVIDIA 375.57' Renderer: 'GeForce GTX 750/PCIe/SSE2'

SeaCraftAPI.java

package leviathan143.wildblueyonder.api.seacraft;

import java.util.Map;

import com.google.common.collect.Maps;

import leviathan143.wildblueyonder.api.seacraft.components.ComponentCallbacks;
import leviathan143.wildblueyonder.api.seacraft.components.WatercraftComponent;
import leviathan143.wildblueyonder.common.WildBlueYonder;
import leviathan143.wildblueyonder.common.WildBlueYonder.Constants;
import net.minecraft.util.ResourceLocation;
import net.minecraftforge.fml.common.registry.*;

public class SeacraftAPI 
{
	public static final ResourceLocation BOAT_COMPONENTS = new ResourceLocation(Constants.MODID, "boat_components");;
	//Hull Materials
	private static final Map<ResourceLocation, HullMaterial> hullMats = Maps.newHashMap();
	private static final FMLControlledNamespacedRegistry<WatercraftComponent> BOAT_COMPONENT_REGISTRY;
	static
	{
		BOAT_COMPONENT_REGISTRY = (FMLControlledNamespacedRegistry<WatercraftComponent>) new RegistryBuilder<WatercraftComponent>()
		.setName(BOAT_COMPONENTS)
		.setType(WatercraftComponent.class)
		.setIDRange(0, 4095)
		.addCallback(ComponentCallbacks.INSTANCE)
		.create();
	}
	
	
	/**
	 * @param name
	 * @param durability
	 * @param buoyancyMult
	 * @return whether the HullMaterial was successfully registered
	 */
	public static boolean registerHullMaterial(ResourceLocation name, int durability, float buoyancyMult)
	{
		if(hullMats.containsKey(name))
		{
			WildBlueYonder.logger.error("A HullMaterial with name " + name + "has already been registered!");
			return false;
		}
		hullMats.put(name, new HullMaterial(name, durability, buoyancyMult));
		return true;
	}
	
	public static HullMaterial getHullMat(ResourceLocation name) 
	{
		return hullMats.get(name);
	}
}

VanillaComponents.java

package leviathan143.wildblueyonder.common.entities.seacraft.components;

import leviathan143.wildblueyonder.api.seacraft.SeacraftAPI;
import leviathan143.wildblueyonder.api.seacraft.components.WatercraftComponent;
import leviathan143.wildblueyonder.common.WildBlueYonder.Constants;
import net.minecraft.util.ResourceLocation;
import net.minecraftforge.fml.common.registry.GameRegistry;

public class VanillaComponents 
{
	public static final WatercraftComponent test = new TestComponent();
	
	public static void init() 
	{
		registerVanillaHullMaterials();
		registerVanillaBoatComponents();
	}
	
	public static void registerVanillaHullMaterials()
	{
		SeacraftAPI.registerHullMaterial(new ResourceLocation(Constants.MODID, "wood"), 500, 1.0F);
	}
	
	public static void registerVanillaBoatComponents()
	{
		test.setRegistryName("test");
		GameRegistry.register(test);
	}
}

WatercraftComponent.java

package leviathan143.wildblueyonder.api.seacraft.components;

import net.minecraftforge.fml.common.registry.IForgeRegistryEntry;

public abstract class WatercraftComponent extends IForgeRegistryEntry.Impl<WatercraftComponent>
{
	public abstract float getWeight();
}