Posted July 13, 201510 yr So, I am making a mod where you can summon and deposit an item, but when ever i try to deposit an item/block when you press a key. It keeps crashing with a java.lang.NullPointerException: Ticking entity Crash Log: ---- Minecraft Crash Report ---- // I feel sad now Time: 7/13/15 11:30 AM Description: Ticking entity java.lang.NullPointerException: Ticking entity at net.minecraft.item.ItemStack.updateAnimation(ItemStack.java:498) at net.minecraft.entity.player.InventoryPlayer.decrementAnimations(InventoryPlayer.java:350) at net.minecraft.entity.player.EntityPlayer.onLivingUpdate(EntityPlayer.java:623) at net.minecraft.client.entity.EntityPlayerSP.onLivingUpdate(EntityPlayerSP.java:913) at net.minecraft.entity.EntityLivingBase.onUpdate(EntityLivingBase.java:1828) at net.minecraft.entity.player.EntityPlayer.onUpdate(EntityPlayer.java:334) at net.minecraft.client.entity.EntityPlayerSP.onUpdate(EntityPlayerSP.java:165) at net.minecraft.world.World.updateEntityWithOptionalForce(World.java:2031) at net.minecraft.world.World.updateEntity(World.java:1997) at net.minecraft.world.World.updateEntities(World.java:1823) at net.minecraft.client.Minecraft.runTick(Minecraft.java:2184) at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1087) at net.minecraft.client.Minecraft.run(Minecraft.java:376) at net.minecraft.client.main.Main.main(Main.java:117) 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) at net.minecraftforge.gradle.GradleStartCommon.launch(Unknown Source) at GradleStart.main(Unknown Source) 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.intellij.rt.execution.application.AppMain.main(AppMain.java:140) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Stacktrace: at net.minecraft.item.ItemStack.updateAnimation(ItemStack.java:498) at net.minecraft.entity.player.InventoryPlayer.decrementAnimations(InventoryPlayer.java:350) at net.minecraft.entity.player.EntityPlayer.onLivingUpdate(EntityPlayer.java:623) at net.minecraft.client.entity.EntityPlayerSP.onLivingUpdate(EntityPlayerSP.java:913) at net.minecraft.entity.EntityLivingBase.onUpdate(EntityLivingBase.java:1828) at net.minecraft.entity.player.EntityPlayer.onUpdate(EntityPlayer.java:334) at net.minecraft.client.entity.EntityPlayerSP.onUpdate(EntityPlayerSP.java:165) at net.minecraft.world.World.updateEntityWithOptionalForce(World.java:2031) at net.minecraft.world.World.updateEntity(World.java:1997) -- Entity being ticked -- Details: Entity Type: null (net.minecraft.client.entity.EntityPlayerSP) Entity ID: 350 Entity Name: Player169 Entity's Exact location: -250.33, 72.00, 263.55 Entity's Block location: -251.00,72.00,263.00 - World: (-251,72,263), Chunk: (at 5,4,7 in -16,16; contains blocks -256,0,256 to -241,255,271), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511) Entity's Momentum: 0.00, -0.08, 0.00 Entity's Rider: ~~ERROR~~ NullPointerException: null Entity's Vehicle: ~~ERROR~~ NullPointerException: null Stacktrace: at net.minecraft.world.World.updateEntities(World.java:1823) -- Affected level -- Details: Level name: MpServer All players: 1 total; [EntityPlayerSP['Player169'/350, l='MpServer', x=-250.33, y=72.00, z=263.55]] Chunk stats: MultiplayerChunkCache: 615, 615 Level seed: 0 Level generator: ID 00 - default, ver 1. Features enabled: false Level generator options: Level spawn location: -228.00,64.00,244.00 - World: (-228,64,244), Chunk: (at 12,4,4 in -15,15; contains blocks -240,0,240 to -225,255,255), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511) Level time: 7981 game time, 6000 day time Level dimension: 0 Level storage version: 0x00000 - Unknown? Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false) Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false Forced entities: 96 total; [EntitySpider['Spider'/257, l='MpServer', x=-174.50, y=41.00, z=201.50], EntityEnderman['Enderman'/258, l='MpServer', x=-171.50, y=41.00, z=205.50], EntitySkeleton['Skeleton'/259, l='MpServer', x=-172.56, y=40.00, z=216.09], EntityZombie['Zombie'/264, l='MpServer', x=-173.72, y=22.00, z=296.91], EntityRabbit['Rabbit'/265, l='MpServer', x=-175.63, y=72.00, z=306.34], EntityRabbit['Rabbit'/266, l='MpServer', x=-171.50, y=70.00, z=322.50], EntityZombie['Zombie'/48, l='MpServer', x=-320.72, y=28.44, z=203.69], EntitySpider['Spider'/51, l='MpServer', x=-323.31, y=36.00, z=202.69], EntityEnderman['Enderman'/53, l='MpServer', x=-326.28, y=34.00, z=211.41], EntitySheep['Sheep'/55, l='MpServer', x=-327.38, y=82.00, z=222.44], EntityZombie['Zombie'/56, l='MpServer', x=-326.09, y=18.00, z=226.47], EntitySheep['Sheep'/57, l='MpServer', x=-328.34, y=77.00, z=241.56], EntitySheep['Sheep'/58, l='MpServer', x=-323.53, y=78.00, z=237.44], EntityRabbit['Rabbit'/59, l='MpServer', x=-321.50, y=74.00, z=234.88], EntityRabbit['Rabbit'/61, l='MpServer', x=-330.59, y=74.00, z=243.63], EntitySheep['Sheep'/62, l='MpServer', x=-324.38, y=74.00, z=254.22], EntitySheep['Sheep'/63, l='MpServer', x=-326.88, y=75.00, z=246.84], EntityRabbit['Rabbit'/64, l='MpServer', x=-326.31, y=74.00, z=263.31], EntitySheep['Sheep'/65, l='MpServer', x=-330.88, y=73.00, z=269.19], EntitySkeleton['Skeleton'/66, l='MpServer', x=-323.44, y=64.00, z=265.91], EntityRabbit['Rabbit'/67, l='MpServer', x=-320.63, y=73.00, z=271.38], EntityBat['Bat'/79, l='MpServer', x=-309.75, y=31.10, z=201.47], EntityBat['Bat'/80, l='MpServer', x=-305.91, y=30.10, z=198.25], EntitySkeleton['Skeleton'/81, l='MpServer', x=-312.66, y=49.00, z=205.16], EntityBat['Bat'/82, l='MpServer', x=-315.25, y=26.09, z=229.25], EntityBat['Bat'/83, l='MpServer', x=-314.44, y=29.09, z=209.63], EntitySpider['Spider'/84, l='MpServer', x=-313.28, y=58.00, z=211.28], EntitySheep['Sheep'/85, l='MpServer', x=-315.53, y=74.00, z=241.31], EntityRabbit['Rabbit'/86, l='MpServer', x=-315.41, y=72.00, z=249.44], EntitySheep['Sheep'/87, l='MpServer', x=-316.91, y=73.00, z=267.63], EntitySheep['Sheep'/88, l='MpServer', x=-311.00, y=73.00, z=258.03], EntityCreeper['Creeper'/96, l='MpServer', x=-289.16, y=36.00, z=189.22], EntityRabbit['Rabbit'/97, l='MpServer', x=-297.00, y=71.00, z=189.19], EntityZombie['Zombie'/99, l='MpServer', x=-302.97, y=59.00, z=207.19], EntityZombie['Zombie'/100, l='MpServer', x=-302.00, y=60.00, z=197.00], EntityZombie['Zombie'/101, l='MpServer', x=-298.41, y=60.00, z=200.50], EntitySkeleton['Skeleton'/102, l='MpServer', x=-303.50, y=60.00, z=194.50], EntityRabbit['Rabbit'/103, l='MpServer', x=-299.47, y=71.00, z=226.84], EntitySheep['Sheep'/104, l='MpServer', x=-299.13, y=73.00, z=246.16], EntityRabbit['Rabbit'/115, l='MpServer', x=-285.59, y=65.00, z=186.44], EntityPlayerSP['Player169'/350, l='MpServer', x=-250.33, y=72.00, z=263.55], EntityCreeper['Creeper'/116, l='MpServer', x=-284.06, y=32.00, z=201.41], EntityCreeper['Creeper'/117, l='MpServer', x=-284.06, y=33.00, z=202.53], EntityCreeper['Creeper'/118, l='MpServer', x=-274.22, y=32.16, z=217.34], EntityRabbit['Rabbit'/119, l='MpServer', x=-276.66, y=70.00, z=195.41], EntityZombie['Zombie'/120, l='MpServer', x=-274.31, y=30.02, z=218.28], EntitySkeleton['Skeleton'/121, l='MpServer', x=-278.50, y=31.00, z=218.50], EntityCreeper['Creeper'/122, l='MpServer', x=-275.38, y=30.00, z=218.34], EntityCreeper['Creeper'/123, l='MpServer', x=-282.28, y=31.00, z=212.84], EntityBat['Bat'/124, l='MpServer', x=-270.44, y=25.00, z=221.25], EntitySkeleton['Skeleton'/125, l='MpServer', x=-284.53, y=61.00, z=224.88], EntitySkeleton['Skeleton'/126, l='MpServer', x=-287.75, y=59.00, z=231.09], EntityRabbit['Rabbit'/127, l='MpServer', x=-285.19, y=71.00, z=237.34], EntityItem['item.tile.flower1.dandelion'/128, l='MpServer', x=-272.22, y=70.00, z=261.56], EntityRabbit['Rabbit'/129, l='MpServer', x=-272.59, y=76.00, z=289.63], EntitySpider['Spider'/130, l='MpServer', x=-280.72, y=28.09, z=330.03], EntitySheep['Sheep'/140, l='MpServer', x=-251.56, y=67.00, z=187.22], EntitySheep['Sheep'/141, l='MpServer', x=-265.69, y=69.00, z=207.41], EntitySheep['Sheep'/142, l='MpServer', x=-257.81, y=67.00, z=194.34], EntitySheep['Sheep'/143, l='MpServer', x=-265.03, y=69.00, z=200.88], EntityCreeper['Creeper'/144, l='MpServer', x=-260.00, y=31.00, z=214.50], EntityZombie['Zombie'/145, l='MpServer', x=-266.50, y=29.00, z=215.50], EntityBat['Bat'/146, l='MpServer', x=-270.63, y=24.88, z=223.69], EntityBat['Bat'/147, l='MpServer', x=-268.75, y=25.10, z=250.44], EntityItem['item.tile.flower2.poppy'/148, l='MpServer', x=-256.34, y=75.00, z=279.59], EntityRabbit['Rabbit'/149, l='MpServer', x=-265.06, y=72.00, z=334.75], EntityZombie['Zombie'/154, l='MpServer', x=-259.22, y=30.00, z=213.28], EntityRabbit['Rabbit'/155, l='MpServer', x=-253.13, y=66.00, z=197.16], EntitySkeleton['Skeleton'/156, l='MpServer', x=-253.72, y=32.00, z=223.19], EntitySkeleton['Skeleton'/157, l='MpServer', x=-252.94, y=34.00, z=224.41], EntitySkeleton['Skeleton'/158, l='MpServer', x=-254.69, y=32.00, z=224.69], EntityRabbit['Rabbit'/159, l='MpServer', x=-246.19, y=73.00, z=273.47], EntityRabbit['Rabbit'/160, l='MpServer', x=-258.69, y=74.00, z=298.47], EntityRabbit['Rabbit'/161, l='MpServer', x=-236.28, y=69.00, z=303.56], EntityItem['item.tile.grass'/165, l='MpServer', x=-227.66, y=67.00, z=251.88], EntityRabbit['Rabbit'/166, l='MpServer', x=-232.50, y=69.00, z=287.84], EntitySkeleton['Skeleton'/186, l='MpServer', x=-219.56, y=13.00, z=200.16], EntitySkeleton['Skeleton'/187, l='MpServer', x=-213.44, y=15.00, z=194.56], EntityRabbit['Rabbit'/188, l='MpServer', x=-213.50, y=70.00, z=262.59], EntityEnderman['Enderman'/189, l='MpServer', x=-207.78, y=30.00, z=332.47], EntityRabbit['Rabbit'/190, l='MpServer', x=-220.22, y=70.00, z=341.56], EntityCreeper['Creeper'/209, l='MpServer', x=-202.00, y=18.00, z=191.63], EntitySpider['Spider'/210, l='MpServer', x=-205.13, y=16.00, z=188.69], EntitySkeleton['Skeleton'/211, l='MpServer', x=-194.53, y=19.00, z=184.88], EntityCreeper['Creeper'/212, l='MpServer', x=-202.31, y=16.00, z=190.59], EntityRabbit['Rabbit'/213, l='MpServer', x=-194.19, y=74.00, z=240.47], EntityZombie['Zombie'/214, l='MpServer', x=-201.50, y=31.00, z=333.50], EntityZombie['Zombie'/231, l='MpServer', x=-191.50, y=18.00, z=185.50], EntityZombie['Zombie'/234, l='MpServer', x=-182.75, y=21.00, z=194.44], EntityZombie['Zombie'/236, l='MpServer', x=-181.94, y=46.00, z=197.38], EntityRabbit['Rabbit'/237, l='MpServer', x=-190.28, y=76.00, z=234.97], EntityRabbit['Rabbit'/238, l='MpServer', x=-181.31, y=75.00, z=258.25], EntityZombie['Zombie'/239, l='MpServer', x=-184.72, y=26.28, z=308.69], EntityZombie['Zombie'/240, l='MpServer', x=-180.50, y=25.00, z=334.50], EntityRabbit['Rabbit'/241, l='MpServer', x=-188.44, y=70.00, z=324.44], EntityZombie['Zombie'/255, l='MpServer', x=-174.00, y=23.00, z=197.41]] Retry entities: 0 total; [] Server brand: fml,forge Server type: Integrated singleplayer server Stacktrace: at net.minecraft.client.multiplayer.WorldClient.addWorldInfoToCrashReport(WorldClient.java:392) at net.minecraft.client.Minecraft.addGraphicsAndWorldToCrashReport(Minecraft.java:2614) at net.minecraft.client.Minecraft.run(Minecraft.java:398) at net.minecraft.client.main.Main.main(Main.java:117) 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) at net.minecraftforge.gradle.GradleStartCommon.launch(Unknown Source) at GradleStart.main(Unknown Source) 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.intellij.rt.execution.application.AppMain.main(AppMain.java:140) -- System Details -- Details: Minecraft Version: 1.8 Operating System: Windows 8.1 (amd64) version 6.3 Java Version: 1.8.0_45, Oracle Corporation Java VM Version: Java HotSpot 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 704159112 bytes (671 MB) / 1038876672 bytes (990 MB) up to 1038876672 bytes (990 MB) JVM Flags: 3 total; -Xincgc -Xmx1024M -Xms1024M IntCache: cache: 5, tcache: 0, allocated: 13, tallocated: 95 FML: MCP v9.10 FML v8.0.99.99 Minecraft Forge 11.14.3.1450 4 mods loaded, 4 mods active States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored UCHIJAAAA mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) UCHIJAAAA FML{8.0.99.99} [Forge Mod Loader] (forgeSrc-1.8-11.14.3.1450.jar) UCHIJAAAA Forge{11.14.3.1450} [Minecraft Forge] (forgeSrc-1.8-11.14.3.1450.jar) UCHIJAAAA summonercraft{1.0} [summonercraft] (Summonercraft) Loaded coremods (and transformers): GL info: ' Vendor: 'Intel' Version: '4.2.0 - Build 10.18.10.3412' Renderer: 'Intel® HD Graphics 4400' Launched Version: 1.8 LWJGL: 2.9.1 OpenGL: Intel® HD Graphics 4400 GL version 4.2.0 - Build 10.18.10.3412, 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: No 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) Main Class: package rainbow.summonercraft; import net.minecraft.client.settings.KeyBinding; import net.minecraftforge.common.MinecraftForge; import net.minecraftforge.fml.client.registry.ClientRegistry; import net.minecraftforge.fml.common.FMLCommonHandler; import net.minecraftforge.fml.common.Mod; import net.minecraftforge.fml.common.SidedProxy; import net.minecraftforge.fml.common.event.FMLInitializationEvent; import net.minecraftforge.fml.common.event.FMLPostInitializationEvent; import net.minecraftforge.fml.common.event.FMLPreInitializationEvent; import org.lwjgl.input.Keyboard; import rainbow.summonercraft.init.ModBlocks; import rainbow.summonercraft.init.ModItems; import rainbow.summonercraft.proxy.CommonProxy; @Mod(modid = ModInfo.modid, name = ModInfo.modname, version = ModInfo.version) public class SummonCraft { @SidedProxy(clientSide = ModInfo.clientproxy, serverSide = ModInfo.serverproxy) public static CommonProxy proxy; @Mod.EventHandler public void preInit(FMLPreInitializationEvent event) { ModBlocks.init(); ModBlocks.register(); ModItems.init(); ModItems.register(); FMLCommonHandler.instance().bus().register(new ModdedEventHandler()); proxy.init(); } @Mod.EventHandler public void init(FMLInitializationEvent event) { proxy.registerRenders(); } @Mod.EventHandler public void postInit(FMLPostInitializationEvent event) { } } Keybinding Class(init method): package rainbow.summonercraft.proxy; import net.minecraft.client.settings.KeyBinding; import net.minecraftforge.fml.client.registry.ClientRegistry; import org.lwjgl.input.Keyboard; import rainbow.summonercraft.init.ModBlocks; import rainbow.summonercraft.init.ModItems; public class ClientProxy extends CommonProxy { public static KeyBinding[] keyBindings; @Override public void registerRenders() { ModBlocks.registerRenders(); ModItems.registerRenders(); } @Override public void init() { keyBindings = new KeyBinding[1]; keyBindings[0] = new KeyBinding("key.summon.desc", Keyboard.KEY_X, "key.summoncraft.category"); for (int i = 0; i < keyBindings.length; ++i) { ClientRegistry.registerKeyBinding(keyBindings); } } } EventHandler: package rainbow.summonercraft; import net.minecraft.client.Minecraft; import net.minecraft.client.settings.KeyBinding; import net.minecraft.entity.player.EntityPlayer; import net.minecraft.item.ItemStack; import net.minecraft.util.ChatComponentText; import net.minecraft.util.IChatComponent; import net.minecraftforge.fml.common.eventhandler.EventPriority; import net.minecraftforge.fml.common.eventhandler.SubscribeEvent; import net.minecraftforge.fml.common.gameevent.InputEvent; import net.minecraftforge.fml.relauncher.Side; import net.minecraftforge.fml.relauncher.SideOnly; import rainbow.summonercraft.proxy.ClientProxy; public class ModdedEventHandler { public static ItemStack itemstack; @SubscribeEvent(priority=EventPriority.NORMAL, receiveCanceled=true) public void onEvent(InputEvent.KeyInputEvent event) { KeyBinding[] keyBindings = ClientProxy.keyBindings; EntityPlayer p = Minecraft.getMinecraft().thePlayer; if (keyBindings[0].isPressed()) { if(itemstack == null) { if(p.getHeldItem() == null) { p.addChatMessage(new ChatComponentText("[summonercraft] You do not have an item in your hand!")); return; } itemstack = p.getHeldItem(); p.getHeldItem().setItem(null); p.addChatMessage(new ChatComponentText("[summonercraft] Your item has been desposited")); }else if(itemstack != null) { if(p.getHeldItem() == null) { p.getHeldItem().setItem(itemstack.getItem()); itemstack = null; p.addChatMessage(new ChatComponentText("[summonercraft] Your item has been summoned!")); return; } ItemStack stack = p.getHeldItem(); p.getHeldItem().setItem(itemstack.getItem()); itemstack = stack; p.addChatMessage(new ChatComponentText("[summonercraft] Your item has been exchanged!")); } } } }
July 13, 201510 yr Author You cannot do it that way. KeyHandlers are entirely client side, you cannot modify the player inventory on the client. You need packets. thanks
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