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[1.7.10]Custom seed is crashing game


LogicTechCorp

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Hello, my custom seed crashes the game when I try to place it on farmland.

 

Server Crash

---- Minecraft Crash Report ----
// Sorry 

Time: 8/9/14 11:00 AM
Description: Ticking memory connection

java.lang.NullPointerException: Ticking memory connection
at net.minecraft.world.chunk.storage.ExtendedBlockStorage.func_150818_a(ExtendedBlockStorage.java:96)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:667)
at net.minecraft.world.World.setBlock(World.java:515)
at net.minecraft.world.World.setBlock(World.java:663)
at net.minecraft.item.ItemSeeds.onItemUse(ItemSeeds.java:41)
at net.minecraft.item.ItemStack.tryPlaceItemIntoWorld(ItemStack.java:145)
at net.minecraft.server.management.ItemInWorldManager.activateBlockOrUseItem(ItemInWorldManager.java:422)
at net.minecraft.network.NetHandlerPlayServer.processPlayerBlockPlacement(NetHandlerPlayServer.java:591)
at net.minecraft.network.play.client.C08PacketPlayerBlockPlacement.processPacket(C08PacketPlayerBlockPlacement.java:74)
at net.minecraft.network.play.client.C08PacketPlayerBlockPlacement.processPacket(C08PacketPlayerBlockPlacement.java:122)
at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:247)
at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:182)
at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:736)
at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:624)
at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:118)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:495)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:762)


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

-- Head --
Stacktrace:
at net.minecraft.world.chunk.storage.ExtendedBlockStorage.func_150818_a(ExtendedBlockStorage.java:96)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:667)
at net.minecraft.world.World.setBlock(World.java:515)
at net.minecraft.world.World.setBlock(World.java:663)
at net.minecraft.item.ItemSeeds.onItemUse(ItemSeeds.java:41)
at net.minecraft.item.ItemStack.tryPlaceItemIntoWorld(ItemStack.java:145)
at net.minecraft.server.management.ItemInWorldManager.activateBlockOrUseItem(ItemInWorldManager.java:422)
at net.minecraft.network.NetHandlerPlayServer.processPlayerBlockPlacement(NetHandlerPlayServer.java:591)
at net.minecraft.network.play.client.C08PacketPlayerBlockPlacement.processPacket(C08PacketPlayerBlockPlacement.java:74)
at net.minecraft.network.play.client.C08PacketPlayerBlockPlacement.processPacket(C08PacketPlayerBlockPlacement.java:122)
at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:247)

-- Ticking connection --
Details:
Connection: net.minecraft.network.NetworkManager@370e1549
Stacktrace:
at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:182)
at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:736)
at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:624)
at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:118)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:495)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:762)

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Windows 8.1 (amd64) version 6.3
Java Version: 1.7.0_55, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 845370712 bytes (806 MB) / 1056309248 bytes (1007 MB) up to 1056309248 bytes (1007 MB)
JVM Flags: 3 total; -Xincgc -Xmx1024M -Xms1024M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
FML: MCP v9.05 FML v7.10.18.1180 Minecraft Forge 10.13.0.1180 4 mods loaded, 4 mods active
mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FML{7.10.18.1180} [Forge Mod Loader] (forgeSrc-1.7.10-10.13.0.1180.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge{10.13.0.1180} [Minecraft Forge] (forgeSrc-1.7.10-10.13.0.1180.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
herbology{1.7.10-1.0} [Herbology] (Herbology) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Player Count: 1 / 8; [EntityPlayerMP['ForgeDevName'/186, l='New World', x=-27.64, y=62.61, z=189.70]]
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'

 

Client Crash

---- Minecraft Crash Report ----
// There are four lights!

Time: 8/9/14 11:00 AM
Description: Unexpected error

java.lang.NullPointerException: Unexpected error
at net.minecraft.world.chunk.storage.ExtendedBlockStorage.func_150818_a(ExtendedBlockStorage.java:96)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:667)
at net.minecraft.world.World.setBlock(World.java:515)
at net.minecraft.world.World.setBlock(World.java:663)
at net.minecraft.item.ItemSeeds.onItemUse(ItemSeeds.java:41)
at net.minecraft.item.ItemStack.tryPlaceItemIntoWorld(ItemStack.java:145)
at net.minecraft.client.multiplayer.PlayerControllerMP.onPlayerRightClick(PlayerControllerMP.java:407)
at net.minecraft.client.Minecraft.func_147121_ag(Minecraft.java:1528)
at net.minecraft.client.Minecraft.runTick(Minecraft.java:2043)
at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1038)
at net.minecraft.client.Minecraft.run(Minecraft.java:961)
at net.minecraft.client.main.Main.main(Main.java:164)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:134)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at GradleStart.bounce(GradleStart.java:108)
at GradleStart.startClient(GradleStart.java:101)
at GradleStart.main(GradleStart.java:56)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)


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

-- Head --
Stacktrace:
at net.minecraft.world.chunk.storage.ExtendedBlockStorage.func_150818_a(ExtendedBlockStorage.java:96)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:667)
at net.minecraft.world.World.setBlock(World.java:515)
at net.minecraft.world.World.setBlock(World.java:663)
at net.minecraft.item.ItemSeeds.onItemUse(ItemSeeds.java:41)
at net.minecraft.item.ItemStack.tryPlaceItemIntoWorld(ItemStack.java:145)
at net.minecraft.client.multiplayer.PlayerControllerMP.onPlayerRightClick(PlayerControllerMP.java:407)
at net.minecraft.client.Minecraft.func_147121_ag(Minecraft.java:1528)

-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [EntityClientPlayerMP['ForgeDevName'/186, l='MpServer', x=-27.62, y=64.23, z=189.70]]
Chunk stats: MultiplayerChunkCache: 81, 81
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options: 
Level spawn location: World: (-76,64,200), Chunk: (at 4,4,8 in -5,12; contains blocks -80,0,192 to -65,255,207), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Level time: 6136 game time, 6136 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: 56 total; [EntitySpider['Spider'/137, l='MpServer', x=9.72, y=26.62, z=223.09], EntityZombie['Zombie'/136, l='MpServer', x=2.16, y=27.00, z=220.28], EntityBat['Bat'/139, l='MpServer', x=11.28, y=28.10, z=224.50], EntitySpider['Spider'/138, l='MpServer', x=12.28, y=26.14, z=221.70], EntitySquid['Squid'/141, l='MpServer', x=7.06, y=45.34, z=233.72], EntityBat['Bat'/140, l='MpServer', x=5.84, y=31.07, z=233.31], EntityCreeper['Creeper'/142, l='MpServer', x=1.50, y=32.00, z=240.50], EntityCreeper['Creeper'/129, l='MpServer', x=3.50, y=24.00, z=196.50], EntityZombie['Zombie'/128, l='MpServer', x=1.13, y=24.00, z=198.50], EntityCreeper['Creeper'/131, l='MpServer', x=5.41, y=17.00, z=200.00], EntitySkeleton['Skeleton'/130, l='MpServer', x=0.56, y=19.00, z=205.00], EntitySquid['Squid'/133, l='MpServer', x=1.31, y=37.19, z=202.22], EntityBat['Bat'/132, l='MpServer', x=16.91, y=24.70, z=199.09], EntityCreeper['Creeper'/135, l='MpServer', x=5.50, y=18.00, z=215.06], EntityCreeper['Creeper'/134, l='MpServer', x=-5.56, y=16.00, z=213.00], EntityCreeper['Creeper'/153, l='MpServer', x=30.47, y=12.00, z=153.97], EntitySkeleton['Skeleton'/154, l='MpServer', x=26.50, y=23.00, z=150.50], EntitySkeleton['Skeleton'/155, l='MpServer', x=27.66, y=25.00, z=149.75], EntitySkeleton['Skeleton'/156, l='MpServer', x=23.50, y=27.00, z=193.78], EntityZombie['Zombie'/166, l='MpServer', x=47.94, y=27.00, z=198.50], EntityCreeper['Creeper'/165, l='MpServer', x=37.00, y=30.00, z=115.47], EntityClientPlayerMP['ForgeDevName'/186, l='MpServer', x=-27.62, y=64.23, z=189.70], EntityZombie['Zombie'/71, l='MpServer', x=-95.97, y=31.00, z=240.47], EntityItem['item.tile.grass'/76, l='MpServer', x=-68.16, y=72.13, z=198.56], EntitySquid['Squid'/77, l='MpServer', x=-70.91, y=56.72, z=242.03], EntityBat['Bat'/78, l='MpServer', x=-75.84, y=18.45, z=249.31], EntitySkeleton['Skeleton'/84, l='MpServer', x=-55.16, y=28.00, z=167.75], EntityCreeper['Creeper'/81, l='MpServer', x=-48.50, y=28.00, z=170.00], EntitySkeleton['Skeleton'/83, l='MpServer', x=-50.44, y=29.00, z=170.47], EntitySkeleton['Skeleton'/82, l='MpServer', x=-59.41, y=29.00, z=167.94], EntityCreeper['Creeper'/95, l='MpServer', x=-34.38, y=15.00, z=206.09], EntityCreeper['Creeper'/102, l='MpServer', x=-28.50, y=12.00, z=162.50], EntityCreeper['Creeper'/103, l='MpServer', x=-29.50, y=12.00, z=165.50], EntityCreeper['Creeper'/100, l='MpServer', x=-20.38, y=14.00, z=163.97], EntityCreeper['Creeper'/101, l='MpServer', x=-29.09, y=16.00, z=158.78], EntityZombie['Zombie'/99, l='MpServer', x=-17.53, y=17.00, z=119.16], EntitySkeleton['Skeleton'/110, l='MpServer', x=-12.13, y=18.00, z=150.63], EntitySkeleton['Skeleton'/111, l='MpServer', x=-14.34, y=19.00, z=159.28], EntityCreeper['Creeper'/108, l='MpServer', x=-4.69, y=18.00, z=146.06], EntitySkeleton['Skeleton'/109, l='MpServer', x=-14.06, y=19.00, z=158.44], EntityZombie['Zombie'/106, l='MpServer', x=-20.03, y=18.00, z=228.38], EntityZombie['Zombie'/107, l='MpServer', x=-2.75, y=22.00, z=120.53], EntitySkeleton['Skeleton'/104, l='MpServer', x=-28.38, y=12.00, z=163.84], EntitySpider['Spider'/105, l='MpServer', x=-19.84, y=16.00, z=212.03], EntityZombie['Zombie'/116, l='MpServer', x=-15.50, y=18.00, z=203.50], EntitySkeleton['Skeleton'/115, l='MpServer', x=-9.38, y=17.00, z=203.88], EntityCreeper['Creeper'/114, l='MpServer', x=-0.63, y=18.00, z=202.94], EntityBat['Bat'/113, l='MpServer', x=-2.34, y=25.82, z=197.34], EntityCreeper['Creeper'/112, l='MpServer', x=-4.72, y=15.00, z=191.06], EntityZombie['Zombie'/127, l='MpServer', x=0.31, y=24.00, z=198.50], EntityCreeper['Creeper'/126, l='MpServer', x=2.50, y=19.00, z=197.50], EntityCreeper['Creeper'/125, l='MpServer', x=5.00, y=19.00, z=210.44], EntitySquid['Squid'/124, l='MpServer', x=12.19, y=54.38, z=166.50], EntitySpider['Spider'/123, l='MpServer', x=9.28, y=31.39, z=150.28], EntityBat['Bat'/122, l='MpServer', x=11.75, y=21.10, z=156.75], EntitySkeleton['Skeleton'/120, l='MpServer', x=6.13, y=16.00, z=112.44]]
Retry entities: 0 total; []
Server brand: fml,forge
Server type: Integrated singleplayer server
Stacktrace:
at net.minecraft.client.multiplayer.WorldClient.addWorldInfoToCrashReport(WorldClient.java:417)
at net.minecraft.client.Minecraft.addGraphicsAndWorldToCrashReport(Minecraft.java:2567)
at net.minecraft.client.Minecraft.run(Minecraft.java:990)
at net.minecraft.client.main.Main.main(Main.java:164)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:134)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at GradleStart.bounce(GradleStart.java:108)
at GradleStart.startClient(GradleStart.java:101)
at GradleStart.main(GradleStart.java:56)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Windows 8.1 (amd64) version 6.3
Java Version: 1.7.0_55, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 847169648 bytes (807 MB) / 1056309248 bytes (1007 MB) up to 1056309248 bytes (1007 MB)
JVM Flags: 3 total; -Xincgc -Xmx1024M -Xms1024M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
FML: MCP v9.05 FML v7.10.18.1180 Minecraft Forge 10.13.0.1180 4 mods loaded, 4 mods active
mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FML{7.10.18.1180} [Forge Mod Loader] (forgeSrc-1.7.10-10.13.0.1180.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge{10.13.0.1180} [Minecraft Forge] (forgeSrc-1.7.10-10.13.0.1180.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
herbology{1.7.10-1.0} [Herbology] (Herbology) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Launched Version: 1.7.10
LWJGL: 2.9.1
OpenGL: Intel(R) HD Graphics GL version 4.0.0 - Build 10.18.10.3621, Intel
GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Anisotropic filtering is supported and maximum anisotropy is 16.
Shaders are available because OpenGL 2.1 is supported.

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)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Anisotropic Filtering: Off (1)

 

Main Class

https://github.com/LogicTechCorp/Herbology/blob/master/src/main/java/herbology/Herbology.java

 

Mod Registry Classes

https://github.com/LogicTechCorp/Herbology/blob/master/src/main/java/herbology/init/ModBlocks.java

https://github.com/LogicTechCorp/Herbology/blob/master/src/main/java/herbology/init/ModItems.java

 

Crop Classes

https://github.com/LogicTechCorp/Herbology/blob/master/src/main/java/herbology/block/Herb.java

https://github.com/LogicTechCorp/Herbology/blob/master/src/main/java/herbology/block/Herb2.java

https://github.com/LogicTechCorp/Herbology/blob/master/src/main/java/herbology/block/Vine.java

 

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Hi

 

I think that your static Item intialisers are probably running before your static Blocks are initialised, so that the blocks are still null.

 

How I got there:

NPE at ExtendedBlockStorage:96

 

            if (p_150818_4_.getTickRandomly())

 

p_150818_4 is the Block passed to the method, and it is null.

 

Looking back up the call stack, it comes from ItemSeeds.onItemUse

                par3World.setBlock(par4, par5 + 1, par6, this.field_150925_a);

 

field_150925_a is initialised in the constructor

 

    public ItemSeeds(Block p_i45352_1_, Block p_i45352_2_)

    {

        this.field_150925_a = p_i45352_1_;

 

Which tells me that your ItemSeeds being initialised with a null block, eg

 

public static final Item ginsengSeeds = new ItemSeeds(ModBlocks.ginHerb, Blocks.farmland).setCreativeTab(CreativeTab.tabHerbology).setTextureName(Reference.RESOURCE_PREFIX + "ginSeeds").setUnlocalizedName("ginSeeds").setPotionEffect("+4");

   

Which suggests to me that ModBlocks.ginHerb is null.

 

-TGG

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This kind of error though is common when, like TGG mentions, you pass null to the seed constructor.  I notice that your Blocks tomato plant actually references the item (in the set info), so maybe that is mucking things up (since that would be uninitialized at that point).

 

Otherwise, maybe put in some System.out.println() statement to confirm whether the block in your seed is actually null and work backwards until you understand why.

Check out my tutorials here: http://jabelarminecraft.blogspot.com/

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Hi

 

Your .init() methods don't control when your static Item initialisers are running.  They execute when the class is loaded, not when you call .init().  If Forge loads your ModItems class before ModBlocks class, your static Item initialisers will run before the static Block initialisers.

 

I would suggest you move the initialisers to the init() method.

 

eg

 

public static Item ginsengSeeds;

public void init() {
ginsengSeeds = new ItemSeeds(ModBlocks.ginHerb, Blocks.farmland).setCreativeTab(CreativeTab.tabHerbology).setTextureName(Reference.RESOURCE_PREFIX + "ginSeeds").setUnlocalizedName("ginSeeds").setPotionEffect("+4");
}

 

-TGG

 

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Hi

 

Your .init() methods don't control when your static Item initialisers are running.  They execute when the class is loaded, not when you call .init().  If Forge loads your ModItems class before ModBlocks class, your static Item initialisers will run before the static Block initialisers.

 

I would suggest you move the initialisers to the init() method.

 

eg

 

public static Item ginsengSeeds;

public void init() {
ginsengSeeds = new ItemSeeds(ModBlocks.ginHerb, Blocks.farmland).setCreativeTab(CreativeTab.tabHerbology).setTextureName(Reference.RESOURCE_PREFIX + "ginSeeds").setUnlocalizedName("ginSeeds").setPotionEffect("+4");
}

 

-TGG

 

This has fixed the problem and I would like to thank you.

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