JP2

ok

The code is very wrong as you say?

Can you explain me better what I have to do?

The log is: ---- Minecraft Crash Report ---- // Why is it breaking Time: 25-09-2013 20:29 Description: Initializing game java.lang.ExceptionInInitializerError at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:457) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) 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 com.google.common.eventbus.EventBus.post(EventBus.java:267) at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:194) at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:174) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) 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 com.google.common.eventbus.EventBus.post(EventBus.java:267) at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:105) at cpw.mods.fml.common.Loader.loadMods(Loader.java:509) at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:181) at net.minecraft.client.Minecraft.startGame(Minecraft.java:471) at net.minecraft.client.Minecraft.run(Minecraft.java:806) at net.minecraft.client.main.Main.main(Main.java:93) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at net.minecraft.launchwrapper.Launch.launch(Launch.java:57) at net.minecraft.launchwrapper.Launch.main(Launch.java:18) Caused by: java.lang.NullPointerException at net.minecraft.block.Block.<init>(Block.java:359) at net.minecraft.block.BlockFluid.<init>(BlockFluid.java:22) at materialsMod.blocks.Petrol_Block.<init>(Petrol_Block.java:17) at materialsMod.common.MaterialsMod.<clinit>(MaterialsMod.java:52) ... 35 more A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Stacktrace: at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:457) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) 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 com.google.common.eventbus.EventBus.post(EventBus.java:267) at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:194) at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:174) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) 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 com.google.common.eventbus.EventBus.post(EventBus.java:267) at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:105) at cpw.mods.fml.common.Loader.loadMods(Loader.java:509) at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:181) at net.minecraft.client.Minecraft.startGame(Minecraft.java:471) -- Initialization -- Details: Stacktrace: at net.minecraft.client.Minecraft.run(Minecraft.java:806) at net.minecraft.client.main.Main.main(Main.java:93) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at net.minecraft.launchwrapper.Launch.launch(Launch.java:57) at net.minecraft.launchwrapper.Launch.main(Launch.java:18) -- System Details -- Details: Minecraft Version: 1.6.2 Operating System: Windows 7 (amd64) version 6.1 Java Version: 1.7.0_40, Oracle Corporation Java VM Version: Java HotSpot 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 789233128 bytes (752 MB) / 1038876672 bytes (990 MB) up to 1038876672 bytes (990 MB) JVM Flags: 3 total; -Xincgc -Xmx1024M -Xms1024M AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used Suspicious classes: FML and Forge are installed IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0 FML: MCP v8.04 FML v6.2.60.859 Minecraft Forge 9.10.1.859 4 mods loaded, 4 mods active mcp{8.04} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed FML{6.2.60.859} [Forge Mod Loader] (bin) Unloaded->Constructed Forge{9.10.1.859} [Minecraft Forge] (bin) Unloaded->Constructed materials_mod{v1.0} [Materials Mod] (bin) Unloaded Launched Version: 1.6 LWJGL: 2.9.0 OpenGL: Radeon HD 6490M GL version 4.1.10428 Compatibility Profile Context, ATI Technologies Inc. Is Modded: Definitely; Client brand changed to 'fml,forge' Type: Client (map_client.txt) Resource Pack: Default Current Language: English (US) Profiler Position: N/A (disabled) Vec3 Pool Size: ~~ERROR~~ NullPointerException: null And the code is: MaterialsMod.java package materialsMod.common; import cpw.mods.fml.common.Mod; import cpw.mods.fml.common.Mod.EventHandler; import cpw.mods.fml.common.event.FMLInitializationEvent; import cpw.mods.fml.common.network.NetworkMod; @Mod(modid = MaterialsMod.modid, name="Materials Mod", version ="v1.0") @NetworkMod(clientSideRequired=true,serverSideRequired=false) public class MaterialsMod { public static final String modid = "materials_mod"; public static Block PetrolBlock = new Petrol_Block(500).setUnlocalizedName("petrol"); public static Fluid PetrolFluid = new PetrolFluid(); public static Material PetrolMaterial = new MaterialLiquid(MapColor.mapColorArray[0x000000]); @EventHandler public void load(FMLInitializationEvent event){ Language Registry.addName(PetrolBlock, "PetrolBlock"); } } PetrolBlock.java package materialsMod.blocks; import cpw.mods.fml.relauncher.Side; import cpw.mods.fml.relauncher.SideOnly; import materialsMod.common.MaterialsMod; import net.minecraft.block.BlockFluid; import net.minecraft.block.material.Material; import net.minecraft.client.renderer.texture.IconRegister; import net.minecraft.util.Icon; import net.minecraft.world.IBlockAccess; public class Petrol_Block extends BlockFluidClassic{ public Petrol_Block(int id) { super(id, MaterialsMod.PetrolMaterial, MaterialsMod.PetrolFluid); } @SideOnly(Side.CLIENT) public void registerIcons(IconRegister par1IconRegister) { this.blockIcon = par1IconRegister.registerIcon(MaterialsMod.modid + ":" + (this.getUnlocalizedName().substring(5))); } }

I need help! I'm trying to make a fluid, but the game crashes, when I try to run it