[1.12.2] Efficient Structure Generation

Merthew · November 7, 2018

I currently have two structures that generate. When I started to add loot to the second, holy_altar, it began to crash on world generation.

This is the console output that I am getting:

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2018-11-06 19:01:31,997 main WARN Disabling terminal, you're running in an unsupported environment.
[19:01:32] [main/INFO] [GradleStart]: Extra: []
[19:01:32] [main/INFO] [GradleStart]: Running with arguments: [--userProperties, {}, --assetsDir, C:/Users/timjp/.gradle/caches/minecraft/assets, --assetIndex, 1.12, --accessToken{REDACTED}, --version, 1.12.2, --tweakClass, net.minecraftforge.fml.common.launcher.FMLTweaker, --tweakClass, net.minecraftforge.gradle.tweakers.CoremodTweaker]
[19:01:32] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[19:01:32] [main/INFO] [LaunchWrapper]: Using primary tweak class name net.minecraftforge.fml.common.launcher.FMLTweaker
[19:01:32] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.gradle.tweakers.CoremodTweaker
[19:01:32] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLTweaker
[19:01:32] [main/INFO] [FML]: Forge Mod Loader version 14.23.4.2705 for Minecraft 1.12.2 loading
[19:01:32] [main/INFO] [FML]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_181, running on Windows 10:amd64:10.0, installed at C:\Program Files\Java\jre1.8.0_181
[19:01:32] [main/ERROR] [FML]: Apache Maven library folder was not in the format expected. Using default libraries directory.
[19:01:32] [main/ERROR] [FML]: Full: C:\Users\timjp\.gradle\caches\modules-2\files-2.1\org.apache.maven\maven-artifact\3.5.3\7dc72b6d6d8a6dced3d294ed54c2cc3515ade9f4\maven-artifact-3.5.3.jar
[19:01:32] [main/ERROR] [FML]: Trimmed: c:/users/timjp/.gradle/caches/modules-2/files-2.1/org.apache.maven/maven-artifact/3.5.3/
[19:01:32] [main/INFO] [FML]: Managed to load a deobfuscated Minecraft name- we are in a deobfuscated environment. Skipping runtime deobfuscation
[19:01:32] [main/INFO] [FML]: Ignoring missing certificate for coremod FMLCorePlugin (net.minecraftforge.fml.relauncher.FMLCorePlugin), we are in deobf and it's a forge core plugin
[19:01:32] [main/INFO] [FML]: Ignoring missing certificate for coremod FMLForgePlugin (net.minecraftforge.classloading.FMLForgePlugin), we are in deobf and it's a forge core plugin
[19:01:32] [main/INFO] [FML]: Searching D:\Desktop\MineCraft Modding\Empire Of Blood\run\.\mods for mods
[19:01:32] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.gradle.tweakers.CoremodTweaker
[19:01:32] [main/INFO] [GradleStart]: Injecting location in coremod net.minecraftforge.fml.relauncher.FMLCorePlugin
[19:01:32] [main/INFO] [GradleStart]: Injecting location in coremod net.minecraftforge.classloading.FMLForgePlugin
[19:01:32] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[19:01:32] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.FMLDeobfTweaker
[19:01:32] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.gradle.tweakers.AccessTransformerTweaker
[19:01:32] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[19:01:32] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLInjectionAndSortingTweaker
[19:01:32] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
[19:01:34] [main/ERROR] [FML]: FML appears to be missing any signature data. This is not a good thing
[19:01:34] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.relauncher.CoreModManager$FMLPluginWrapper
[19:01:34] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.FMLDeobfTweaker
[19:01:34] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.gradle.tweakers.AccessTransformerTweaker
[19:01:34] [main/INFO] [LaunchWrapper]: Loading tweak class name net.minecraftforge.fml.common.launcher.TerminalTweaker
[19:01:34] [main/INFO] [LaunchWrapper]: Calling tweak class net.minecraftforge.fml.common.launcher.TerminalTweaker
[19:01:35] [main/INFO] [LaunchWrapper]: Launching wrapped minecraft {net.minecraft.client.main.Main}
[19:01:35] [main/INFO] [net.minecraft.client.Minecraft]: Setting user: Player870
[19:01:40] [main/WARN] [net.minecraft.client.settings.GameSettings]: Skipping bad option: lastServer:
[19:01:40] [main/INFO] [net.minecraft.client.Minecraft]: LWJGL Version: 2.9.4
[19:01:41] [main/INFO] [FML]: -- System Details --
Details:
   Minecraft Version: 1.12.2
   Operating System: Windows 10 (amd64) version 10.0
   Java Version: 1.8.0_181, Oracle Corporation
   Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
   Memory: 218648416 bytes (208 MB) / 613416960 bytes (585 MB) up to 3790077952 bytes (3614 MB)
   JVM Flags: 0 total;
   IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
   FML:
   Loaded coremods (and transformers):
   GL info: ' Vendor: 'Intel' Version: '4.5.0 - Build 22.20.16.4749' Renderer: 'Intel(R) HD Graphics 530'
[19:01:41] [main/INFO] [FML]: MinecraftForge v14.23.4.2705 Initialized
[19:01:41] [main/INFO] [FML]: Starts to replace vanilla recipe ingredients with ore ingredients.
[19:01:41] [main/INFO] [FML]: Replaced 1036 ore ingredients
[19:01:42] [main/INFO] [FML]: Searching D:\Desktop\MineCraft Modding\Empire Of Blood\run\.\mods for mods
[19:01:44] [main/INFO] [FML]: Forge Mod Loader has identified 5 mods to load
[19:01:44] [Thread-3/INFO] [FML]: Using sync timing. 200 frames of Display.update took 75438497 nanos
[19:01:44] [main/INFO] [FML]: Attempting connection with missing mods [minecraft, mcp, FML, forge, eob] at CLIENT
[19:01:44] [main/INFO] [FML]: Attempting connection with missing mods [minecraft, mcp, FML, forge, eob] at SERVER
[19:01:45] [main/INFO] [net.minecraft.client.resources.SimpleReloadableResourceManager]: Reloading ResourceManager: Default, FMLFileResourcePack:Forge Mod Loader, FMLFileResourcePack:Minecraft Forge, FMLFileResourcePack:Empire of Blood
[19:01:45] [main/INFO] [FML]: Processing ObjectHolder annotations
[19:01:45] [main/INFO] [FML]: Found 1168 ObjectHolder annotations
[19:01:45] [main/INFO] [FML]: Identifying ItemStackHolder annotations
[19:01:45] [main/INFO] [FML]: Found 0 ItemStackHolder annotations
[19:01:45] [main/INFO] [FML]: Configured a dormant chunk cache size of 0
[19:01:45] [Forge Version Check/INFO] [forge.VersionCheck]: [forge] Starting version check at http://files.minecraftforge.net/maven/net/minecraftforge/forge/promotions_slim.json
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onBlockRegister:72]: Registered Block: tile.block_soul_condenser
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onBlockRegister:72]: Registered Block: tile.block_blood_infuser
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onBlockRegister:72]: Registered Block: tile.block_bloodstone
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onBlockRegister:72]: Registered Block: tile.block_gilded_bloodstone
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onBlockRegister:72]: Registered Block: tile.block_infused_bloodstone
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onBlockRegister:72]: Registered Block: tile.block_blood_glass
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onBlockRegister:72]: Registered Block: tile.block_clear_glass
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onBlockRegister:72]: Registered Block: tile.block_blood_altar
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onBlockRegister:72]: Registered Block: tile.block_blood_collector
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onBlockRegister:72]: Registered Block: tile.block_plastic
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onBlockRegister:72]: Registered Block: tile.block_divine_stone
[19:01:45] [main/INFO] [FML]: Applying holder lookups
[19:01:45] [main/INFO] [FML]: Holder lookups applied
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: tile.block_soul_condenser
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: tile.block_blood_infuser
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: tile.block_bloodstone
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: tile.block_gilded_bloodstone
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: tile.block_infused_bloodstone
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: tile.block_blood_glass
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: tile.block_clear_glass
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: tile.block_blood_altar
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: tile.block_blood_collector
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: tile.block_plastic
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: tile.block_divine_stone
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: item.item_syringe
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: item.item_syringe_x
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: item.item_bottle_of_blood
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: item.item_hostile_mob_soul
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: item.item_passive_mob_soul
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: item.item_neutral_mob_soul
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: item.item_boss_mob_soul
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: item.item_soul_crystal
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: item.item_bloody_gem
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: item.item_blood_sword
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: item.item_blood_pickaxe
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: item.item_blood_shard
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: item.item_blood_pearl
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: item.item_blood_bag
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: item.item_plastic
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: item.item_blood_magnet
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onItemRegister:71]: Registered Item: item.item_attraction_gem
[19:01:45] [main/INFO] [FML]: Applying holder lookups
[19:01:45] [main/INFO] [FML]: Holder lookups applied
[19:01:45] [main/INFO] [STDOUT]: [merthew.mod.init.EntityInit:registerEntities:39]: Registered Entity: blood_pearl
[19:01:45] [main/INFO] [FML]: Applying holder lookups
[19:01:45] [main/INFO] [FML]: Holder lookups applied
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onModelRegister:86]: Registered Model: tile.block_soul_condenser
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onModelRegister:86]: Registered Model: tile.block_blood_infuser
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onModelRegister:86]: Registered Model: tile.block_bloodstone
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onModelRegister:86]: Registered Model: tile.block_gilded_bloodstone
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onModelRegister:86]: Registered Model: tile.block_infused_bloodstone
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onModelRegister:86]: Registered Model: tile.block_blood_glass
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onModelRegister:86]: Registered Model: tile.block_clear_glass
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onModelRegister:86]: Registered Model: tile.block_blood_altar
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onModelRegister:86]: Registered Model: tile.block_blood_collector
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onModelRegister:86]: Registered Model: tile.block_plastic
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.BlockInit:onModelRegister:86]: Registered Model: tile.block_divine_stone
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: tile.block_soul_condenser
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: tile.block_blood_infuser
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: tile.block_bloodstone
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: tile.block_gilded_bloodstone
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: tile.block_infused_bloodstone
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: tile.block_blood_glass
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: tile.block_clear_glass
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: tile.block_blood_altar
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: tile.block_blood_collector
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: tile.block_plastic
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: tile.block_divine_stone
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: item.item_syringe
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: item.item_syringe_x
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: item.item_bottle_of_blood
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: item.item_hostile_mob_soul
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: item.item_passive_mob_soul
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: item.item_neutral_mob_soul
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: item.item_boss_mob_soul
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: item.item_soul_crystal
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: item.item_bloody_gem
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: item.item_blood_sword
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: item.item_blood_pickaxe
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: item.item_blood_shard
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: item.item_blood_pearl
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: item.item_blood_bag
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: item.item_plastic
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: item.item_blood_magnet
[19:01:46] [main/INFO] [STDOUT]: [merthew.mod.init.ItemInit:onModelRegister:79]: Registered Model: item.item_attraction_gem
[19:01:46] [main/INFO] [FML]: Applying holder lookups
[19:01:46] [main/INFO] [FML]: Holder lookups applied
[19:01:46] [main/INFO] [FML]: Injecting itemstacks
[19:01:46] [main/INFO] [FML]: Itemstack injection complete
[19:01:46] [Forge Version Check/INFO] [forge.VersionCheck]: [forge] Found status: OUTDATED Target: 14.23.5.2768
[19:01:55] [Sound Library Loader/INFO] [net.minecraft.client.audio.SoundManager]: Starting up SoundSystem...
[19:01:56] [Thread-5/INFO] [net.minecraft.client.audio.SoundManager]: Initializing LWJGL OpenAL
[19:01:56] [Thread-5/INFO] [net.minecraft.client.audio.SoundManager]: (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[19:01:56] [Thread-5/INFO] [net.minecraft.client.audio.SoundManager]: OpenAL initialized.
[19:01:56] [Sound Library Loader/INFO] [net.minecraft.client.audio.SoundManager]: Sound engine started
[19:02:02] [main/INFO] [FML]: Max texture size: 16384
[19:02:03] [main/INFO] [net.minecraft.client.renderer.texture.TextureMap]: Created: 512x512 textures-atlas
[19:02:05] [main/INFO] [FML]: Applying holder lookups
[19:02:05] [main/INFO] [FML]: Holder lookups applied
[19:02:05] [main/INFO] [FML]: Injecting itemstacks
[19:02:05] [main/INFO] [FML]: Itemstack injection complete
[19:02:05] [main/INFO] [FML]: Forge Mod Loader has successfully loaded 5 mods
[19:02:05] [main/WARN] [net.minecraft.client.settings.GameSettings]: Skipping bad option: lastServer:
[19:02:05] [main/INFO] [com.mojang.text2speech.NarratorWindows]: Narrator library for x64 successfully loaded
[19:02:07] [Realms Notification Availability checker #1/INFO] [com.mojang.realmsclient.client.RealmsClient]: Could not authorize you against Realms server: Invalid session id
[19:02:15] [main/INFO] [net.minecraft.world.storage.SaveFormatOld]: Deleting level Gen Test
[19:02:15] [main/INFO] [net.minecraft.world.storage.SaveFormatOld]: Attempt 1...
[19:02:38] [Server thread/INFO] [net.minecraft.server.integrated.IntegratedServer]: Starting integrated minecraft server version 1.12.2
[19:02:38] [Server thread/INFO] [net.minecraft.server.integrated.IntegratedServer]: Generating keypair
[19:02:38] [Server thread/INFO] [FML]: Injecting existing registry data into this server instance
[19:02:38] [Server thread/INFO] [FML]: Applying holder lookups
[19:02:38] [Server thread/INFO] [FML]: Holder lookups applied
[19:02:38] [Server thread/INFO] [FML]: Loading dimension 0 (Gen Test) (net.minecraft.server.integrated.IntegratedServer@3b45c7b2)
[19:02:39] [Server thread/INFO] [net.minecraft.advancements.AdvancementList]: Loaded 488 advancements
[19:02:39] [Server thread/INFO] [FML]: Loading dimension 1 (Gen Test) (net.minecraft.server.integrated.IntegratedServer@3b45c7b2)
[19:02:39] [Server thread/INFO] [FML]: Loading dimension -1 (Gen Test) (net.minecraft.server.integrated.IntegratedServer@3b45c7b2)
[19:02:39] [Server thread/INFO] [net.minecraft.server.MinecraftServer]: Preparing start region for level 0
[19:02:40] [Server thread/INFO] [net.minecraft.server.MinecraftServer]: Preparing spawn area: 5%
[19:02:41] [Server thread/INFO] [net.minecraft.server.MinecraftServer]: Preparing spawn area: 12%
[19:02:42] [Server thread/INFO] [net.minecraft.server.MinecraftServer]: Preparing spawn area: 20%
[19:02:43] [Server thread/ERROR] [net.minecraft.server.MinecraftServer]: Encountered an unexpected exception
java.lang.NullPointerException: null
   at merthew.mod.world.gen.generators.WorldGenStructure.generateStructure(WorldGenStructure.java:50) ~[WorldGenStructure.class:?]
   at merthew.mod.world.gen.generators.WorldGenStructure.generate(WorldGenStructure.java:30) ~[WorldGenStructure.class:?]
   at merthew.mod.world.gen.WorldGenCustomStructures.generateStructure(WorldGenCustomStructures.java:55) ~[WorldGenCustomStructures.class:?]
   at merthew.mod.world.gen.WorldGenCustomStructures.generate(WorldGenCustomStructures.java:33) ~[WorldGenCustomStructures.class:?]
   at net.minecraftforge.fml.common.registry.GameRegistry.generateWorld(GameRegistry.java:167) ~[GameRegistry.class:?]
   at net.minecraft.world.chunk.Chunk.populate(Chunk.java:1093) ~[Chunk.class:?]
   at net.minecraft.world.chunk.Chunk.populate(Chunk.java:1072) ~[Chunk.class:?]
   at net.minecraft.world.gen.ChunkProviderServer.provideChunk(ChunkProviderServer.java:169) ~[ChunkProviderServer.class:?]
   at net.minecraft.server.MinecraftServer.initialWorldChunkLoad(MinecraftServer.java:383) ~[MinecraftServer.class:?]
   at net.minecraft.server.integrated.IntegratedServer.loadAllWorlds(IntegratedServer.java:143) ~[IntegratedServer.class:?]
   at net.minecraft.server.integrated.IntegratedServer.init(IntegratedServer.java:160) ~[IntegratedServer.class:?]
   at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:552) [MinecraftServer.class:?]
   at java.lang.Thread.run(Unknown Source) [?:1.8.0_181]
[19:02:43] [Server thread/ERROR] [net.minecraft.server.MinecraftServer]: This crash report has been saved to: D:\Desktop\MineCraft Modding\Empire Of Blood\run\.\crash-reports\crash-2018-11-06_19.02.43-server.txt
[19:02:43] [Server thread/INFO] [net.minecraft.server.MinecraftServer]: Stopping server
[19:02:43] [Server thread/INFO] [net.minecraft.server.MinecraftServer]: Saving players
[19:02:43] [Server thread/INFO] [net.minecraft.server.MinecraftServer]: Saving worlds
[19:02:43] [Server thread/INFO] [net.minecraft.server.MinecraftServer]: Saving chunks for level 'Gen Test'/overworld
[19:02:43] [Server thread/INFO] [net.minecraft.server.MinecraftServer]: Saving chunks for level 'Gen Test'/the_nether
[19:02:43] [Server thread/INFO] [net.minecraft.server.MinecraftServer]: Saving chunks for level 'Gen Test'/the_end
[19:02:43] [Server thread/INFO] [FML]: Unloading dimension 0
[19:02:43] [Server thread/INFO] [FML]: Unloading dimension -1
[19:02:43] [Server thread/INFO] [FML]: Unloading dimension 1
[19:02:43] [Server thread/INFO] [FML]: Applying holder lookups
[19:02:43] [Server thread/INFO] [FML]: Holder lookups applied
[19:02:43] [Server thread/INFO] [FML]: The state engine was in incorrect state SERVER_STARTING and forced into state SERVER_STOPPED. Errors may have been discarded.
[19:02:46] [main/INFO] [STDOUT]: [net.minecraft.init.Bootstrap:printToSYSOUT:629]: ---- Minecraft Crash Report ----
// I just don't know what went wrong

Time: 11/6/18 7:02 PM
Description: Exception in server tick loop

java.lang.NullPointerException: Exception in server tick loop
   at merthew.mod.world.gen.generators.WorldGenStructure.generateStructure(WorldGenStructure.java:50)
   at merthew.mod.world.gen.generators.WorldGenStructure.generate(WorldGenStructure.java:30)
   at merthew.mod.world.gen.WorldGenCustomStructures.generateStructure(WorldGenCustomStructures.java:55)
   at merthew.mod.world.gen.WorldGenCustomStructures.generate(WorldGenCustomStructures.java:33)
   at net.minecraftforge.fml.common.registry.GameRegistry.generateWorld(GameRegistry.java:167)
   at net.minecraft.world.chunk.Chunk.populate(Chunk.java:1093)
   at net.minecraft.world.chunk.Chunk.populate(Chunk.java:1072)
   at net.minecraft.world.gen.ChunkProviderServer.provideChunk(ChunkProviderServer.java:169)
   at net.minecraft.server.MinecraftServer.initialWorldChunkLoad(MinecraftServer.java:383)
   at net.minecraft.server.integrated.IntegratedServer.loadAllWorlds(IntegratedServer.java:143)
   at net.minecraft.server.integrated.IntegratedServer.init(IntegratedServer.java:160)
   at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:552)
   at java.lang.Thread.run(Unknown Source)

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

-- System Details --
Details:
   Minecraft Version: 1.12.2
   Operating System: Windows 10 (amd64) version 10.0
   Java Version: 1.8.0_181, Oracle Corporation
   Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
   Memory: 715164216 bytes (682 MB) / 1071120384 bytes (1021 MB) up to 3790077952 bytes (3614 MB)
   JVM Flags: 0 total;
   IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
   FML: MCP 9.42 Powered by Forge 14.23.4.2705 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

   | State | ID | Version | Source | Signature |
   |:------- |:--------- |:------------ |:-------------------------------- |:--------- |
   | UCHIJAA | minecraft | 1.12.2 | minecraft.jar | None |
   | UCHIJAA | mcp | 9.42 | minecraft.jar | None |
   | UCHIJAA | FML | 8.0.99.99 | forgeSrc-1.12.2-14.23.4.2705.jar | None |
   | UCHIJAA | forge | 14.23.4.2705 | forgeSrc-1.12.2-14.23.4.2705.jar | None |
   | UCHIJAA | eob | 0.1 | bin | None |

   Loaded coremods (and transformers):
   GL info: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
   Profiler Position: N/A (disabled)
   Player Count: 0 / 8; []
   Type: Integrated Server (map_client.txt)
   Is Modded: Definitely; Client brand changed to 'fml,forge'
[19:02:46] [main/INFO] [STDOUT]: [net.minecraft.init.Bootstrap:printToSYSOUT:629]: #@!@# Game crashed! Crash report saved to: #@!@# .\crash-reports\crash-2018-11-06_19.02.43-server.txt
[19:02:46] [Client Shutdown Thread/INFO] [net.minecraft.server.MinecraftServer]: Stopping server
[19:02:46] [Client Shutdown Thread/INFO] [net.minecraft.server.MinecraftServer]: Saving players
[19:02:46] [Client Shutdown Thread/INFO] [net.minecraft.server.MinecraftServer]: Saving worlds
AL lib: (EE) alc_cleanup: 1 device not closed

I am pretty sure that lag is being caused between ticks and causing the game to crash.

What would be a better way to write this code?

Code: https://github.com/Merthew/Empire-Of-Blood

Current Files: WorldGenStructure, WorldGenCustomStructure

V0idWa1k3r · November 7, 2018

Quote

structureName == "holy_shrine"

Expand

Don't compare strings like that. Use equals.

I am unable to replicate the crash in test environment. And the code provided on github shouldn't crash. I see that you've changed it recently. Is the issue still relevant?

As a side note - don't set the loot in the chest manually, use loottables.

Merthew · November 7, 2018

Could not get loot tables to work and managed to fix the issue. Also will fix the string thing, now i just need to get the randomness of the generation to work right.

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[1.12.2] Efficient Structure Generation

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